October 15, 2021 (Michael Justin Allen Sexton/PCMag) The dawn of DDR5 RAM is near. 0 support for trouble-free automatic overclocking. 2V Desktop (DIMM) Computer Memory. High performance DDR4 Laptop Memory designed for PC enthusiasts and gamers ; Exceptional performance with a frequency speed of 3200MHz (PC4-25600), and backwards compatible with lower frequencies (2933MHz, 2666MHz, 2400MHz and 2133MHz) DDR4 260 Pin Non-ECC SODIMM, Timing 22-22-22, CAS Latency of 22, 1. The PNY Performance 16GB DDR4 Laptop Memory Kit allows you to upgrade your PC's memory for faster and smoother computing experience. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Instead of 240 pins, each module features 288 pins. But most interesting of these results is 7-Zip, with that huge file compressing more than 20% faster on DDR5 than even the DDR4-4000 result. 0, four M. Blog;. 3. 2 Gen 2 Type-C®, Thunderbolt™ 4 support and Intel 2. Sold by Silicon Power USA Inc and ships from Amazon Fulfillment. At 8GT/s bit rate, the interconnect performance bandwidth is doubled over PCIe 2. Can DDR5 fit. 0, such as the Intel® 12th Generation. 0 Support. a DDR4 module, or DIMM, looks very similar to a DDR3 DIMM. This motherboard limitation means you'll need to choose whether you want to get the lower-cost DDR4 memory or get DDR5 with the ability to upgrade it in the future. Therefore, true memory latency of DDR4-3200 CL22 = 13. AM4 is still relevant for quite some years knowing how strong a 5950X can be. For systems that do not need speed increases above DDR3-1333 and DDR3-1600, DDR4 can support these slower. Memory is designed to be backward compatible within its generation, so generally speaking, you can safely add faster memory to a computer that was designed. 1333MHz/1600MHz. Can I take a ddr3 out of my old PC and use it?…DDR5 memory is expensive?Don't worry too much, DDR4 memory is as powerful as the 12th generation Core. To prevent accidents the key notch in the module has actually been moved a bit. 0 x8 card. PC3-6400 = 800 MHz. On the other hand, with DDR4, the minimum speed is only 2133MHz. Unfortunately, DDR4 is not backward compatible, so neither is DDR3 forwards compatible. Study with Quizlet and memorize flashcards containing terms like What is the peak transfer rate of a DDR4-3200 module?, Which memory type can provide a CPU with the fastest access to frequently used data?, How many contact pins are used in SODIMM DDR3 SDRAM modules? and more. The reason is that RAM sticks are "keyed" based on their generation, meaning that the notch. DDR5 SDRAM is neither forward nor backward compatible with any earlier type of random access memory (RAM) because of different signalling voltages, timings, as well as other differing factors between the technologies and their implementation. DDR4 is backward compatible as far back as DDR3-1333. As DDR4 will only work in DDR4 compatible motherboards and DDR3 will only fit in DDR3 compatible motherboards. The clock speed of DDR3 varies from 800 MHz to 2133 MHz, while the clock speed of DDR4 is 2133 MHz. DDR5 is NOT compatible with DDR4 motherboards. Unless it’s changed so much that it’s not a PCIe slot anymore. Therefore, due to the significant structural, electrical, and technical differences between DDR4 and DDR5, DDR5 motherboards are not backwards compatible with DDR4 memory. DDR4 is backward compatible as far back as DDR3-1333. 7 min read · Sep 29, 2022--5. DDR2 uses the same internal clock speed as DDR, however, the transfer rates are faster due to the enhanced input/output bus signal. The socket features a dual-channel DDR5 memory interface. ASUS ROG MAXIMUS Z690 EXTREME GLACIAL –. On the contrary, DDR4 RAM has a 288-pin interface. The PCI-Express interface is PCI-Express 4. However, random access memory modules are usually made with keying slits or. DDR4 was released back in 2014 and we still see some gaming machines using DDR3 to this date, though it. DDR4, on the other hand, has two 8n prefetch banks per channel transferring data to and from the controllers at a time. just to clarify "pick up the values for 2400M/Ts***" you mean to go to the Speed Bin table for DDR4-2400, and choose 83 or 83D value for which the part 62E is backwards compatible for,and do the same for AC Timing Characteristics?One thing to keep in mind is that memory needs to be the same type - memory modules are not forward or backward compatible in terms of generation types so DDR3 will not work in DDR2 or DDR4. ASRock may have one but it didn’t. stockhausen said: DDR runs at Memory bus clock speed. Comparing with regular 8-layer PCB, two more layers for power solution and ground is added. Computer Memory – Find compatible RAM. Learn. Follow. You will need a DDR5 compatible CPU, most DDR5 compatible CPUs will have additional pins. One interesting thing to note here is that DDR4 does not give a performance boost for. Although still widely used, DDR3 chips are slowly getting phased out by higher versions like DDR4, 5, and 6. Selected high-quality IC chips. Operation/Speed. 0, DDR4, three M. Is ddr4 backwards compatible with ddr3. dual channel kits might not reach advertised speed in quad channel settings even if both set are at 3200mhz. Memory is designed to be backward compatible within its generation, so generally speaking, you can safely add faster memory to a computer that was designed. 2x burst length, 2x banks, 2x bank groups. The Reason Why DDR2, DDR3, and DDR4 Are Not Compatible. Why isn’t DDR4 backwards compatible? Because it has different timings (see below), voltage, and pin count, among other characteristics. Voltage between DDR4 and DDR5 is different, as well as the pinouts. Supports Dual Channel DDR4 1866/ 2133/ 2400/ 2666/ 2933/ 3200/ 3333+(OC) 2. O. The speed is backward compatible but will need the motherboard to be compatible. 0, with the socket putting out 28 lanes in total. DDR5s are more efficient: These memories work with 1. It seems that motherboard makers have limited DDR4 to their lower end/ lower mid-range boards - like dual PCIe 5. Since ddr5 is a bit expensive than ddr4. Based on your current part and an assuming operating point of 1200MHz (DDR4-2400Mbps) the MT40A512M16JY-075E is backwards compatible to the DDR4 2400T (17-17-17) speed bin:. Not all XMP or D. Here are the major differences why DDR5 RAM is not backward compatible: RAM Technology DDR5 DDR4; Bandwidth: 6. 35V. SHOP SUPPORT. So whichever you go with, that’s what you’re stuck using until you upgrade/change your motherboard out. INTEGRATED VIDEO. 00 ns. It is designed for PC enthusiasts and gamers, and is backwards compatible with lower frequencies. Q: Is DDR4 backwards compatible with DDR3? A: No. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. 50 V volatge: Operates on 1. The big caveat here is on that use case scenario. The spec sheet for the i7 6700K says that the CPU supports RAM of up to 2133MHz. DDR3 and DDR4 memory modules cannot be used in the same DIMM slot. This means DDR4 motherboards and DDR5 memory aren’t cross-compatible. Saved comparisons. ASUS Prime Z690-P D4 Intel® Z690 (LGA 1700) ATX motherboard features PCIe® 5. Q: How does XMP work on DDR4? A: Very similarly to DDR3, but with some caveats. Pgh Area. The fact that Intel has decided to keep supporting DDR4 is proof enough of how the chipmaker is approaching modern PC building. HOW TO UPGRADE YOUR LAPTOP MEMORY. SKILL Trident Z Royal Series 32GB (2 x 16GB) F4-3200C16D-32GTRS. 0 or PCIe 2. Q: How does XMP work on DDR4? A: Very similarly to DDR3, but with some caveats. 5V; DDR2, 1. $17. DDR4 SDRAM. Let me now explain it in detail. •. You’ll need to be careful while. Apparently, AM5 is a pure-DDR5 platform, with no backwards compatibility with DDR4. Yes, at least as far as Ryzen is concerned, those motherboards are backward compatible. All of the installed memory will work at 2400MHz. 2 Voltsphiletus said: "So if want to upgrade another 8gb of RAM" If you already have 2- 8GB dimms, you need to go to Matched 2-16MB dimms of 2400MHz or 2666MHz and they will run in dual channel. One of these concerns is compatibility, specifically in regards to if Intel 13th Gen is DDR4 compliant. 0, which is backwards compatible with HDMI 1. Giving Alder Lake not just backwards compatibility with DDR4, but also making sure motherboard vendors will launch a pretty decent lineup of overclockable Z690 chipset-based boards with DDR4 slots was a much needed move by Intel. AMD and our memory partners have worked together to create the AMD Ryzen™ processor memory compatibility list. You will also need to update the DRAM topology and addressing information. There will be units with even higher capabilities, with a minimum speed of 6400MHz and even more. DDR2. Intel will continue using the same LGA 1700 socket, and big names like Asus, ASRock, Gigabyte, and MSI have announced their BIOS-shaped support for the new Intel 13 Gen chipset. Anyways, if you mean you have a board that takes DDR4 or DDR3 memory, that will still work with a videocard that uses a different memory type. You will not be able to. DDR2 has a 4-bit prefetch, which is twice that of DDR. Customize. Each DIMM supports non-ECC 4/8/16/32GB DDR4 module. Also, your CPU has the memory controller that communicates with the memory and that is only a DDR4. 00. Pick DDR4 or. For example, Corsair Vengeance RGB Pro 32GB DDR4-3600 RAM modules cost $109. You will have to have. 35V RGB Dual Channel Desktop (DIMM) Memory. 99 $ 14. DDR5 has an improved overall bandwidth of up to 1. The JEDEC standard expects DDR technology to scale up to 8 GHz by 2024. In. DDR3 and DDR4 are types of RAMs that can't be compared easily. Clearly, this is a big difference in terms of storage capacity. 8 GB DDR4 3200 Mhz RAM RTX 3050 GPU I want to upgrade the RAM, after some googling I found out you could run a command on Windows CMD to check what’s the maximum RAM supported on the system. Supports up to 64 GB Memory. Bandwidth: 25,600 MB/s (25. Here are a few reasons why you would want a DDR5 over a DDR4. AM5 replaces the Socket AM4 and is AMD's first LGA socket designed for mainstream, non-enthusiast CPUs. The -083E part is compatible with the other -083x speed grades because these are all slower than the -083E. PC3-10666 = 1333 MHz. The placement of the DDR4 notch is different to the DDR5. DDR3 and DDR4 memory have different numbers of pins and run on speeds that are poles apart. Models that lack the D4 designation cannot. To prevent accidents the key notch in the module has actually been moved a bit. There is actually a reason for this. Intel did the right thing with making Alderlake and its successor DDR4 compatible. And, of course, it wipes. 67 ns. 2 slots, DDR5, USB 3. How Much RAM Does My Motherboard Support? When considering RAM capacity, you need to consider the number of RAM slots your motherboard has and the total amount of RAM your motherboard supports. But this doesn’t mean that there isn’t a future where AMD may come out with a chipset – based on socket AM5 – that will have support for DDR4. 0 is the next generation of PCIe, which is a widely-used, high-speed interface that can connect components such as graphics processing units (GPUs), self-encrypting drives (SEDs), and Ethernet hardware. Select AI Tweaker/ Overclocking tab. The stick will not fit into the slot, and even if it does, your motherboard will refuse to recognize the format. IS DDR5 BACKWARDS COMPATIBLE? Here's what you need to know about DDR5 backwards compatibility with DDR4. Can I use ddr4 memory in z690 in ddr5 slot. HOW TO UPGRADE YOUR LAPTOP MEMORY. When it comes to computer memory, one of the most important aspects is whether or not a particular type of RAM is backward compatible. Both modules have key notches to lock them in place in the motherboard’s DIMM slot, but the pin layout on a DDR5 RAM module is different compared to a DDR4 module. C. 5V and 1. Will AM5 be Compatible with DDR4? As of now, socket AM5 processors like the Ryzen 7000 series will not support DDR4, as they exclusively run on DDR5 memory. There’s XMP 2. Getting DDR3 to run at 2666MHz or higher requires very careful binning of memory chips and can be very expensive, while 2666MHz is the lowest speed of our DDR4. Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4000(OC. Without backward compatibility, consumers would have to bear additional costs for new components. The DDR2/3/4 DIMMs can only be used. 0, while preserving compatibility with software and mechanical interfaces. Go to advance mode. DDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot. 5. DDR4 is not compatible with any earlier type of random-access memory (RAM) due to different signaling voltage and physical interface, besides other factors. But why get a gen 4 ssd if the laptop only supports gen 3, save the money and get a gen 3 drive. 11th Generation Intel® Desktop Processors are not compatible with motherboards based on B460 and H410 Chipsets. Hence, you can use it on any laptop that has a DDR4-compatible socket. Or buy 1 stick of ddr5 while knowing that most likely u would upgrade ram later. No, they can't be compatible, if you mean will one run at one speed while the other runs at the other. Upgrading to a PCIe 4. Hence, I will list which motherboards support DDR5 RAM in this article. The answer is no in the case of DDR5 RAM and DDR4 motherboards. In addition, some minor changes to the SDR interface timing were made in hindsight, and the supply voltage was reduced from 3. Jan 12, 2017. It might seem a bit ridiculous that the different generations of RAM are not compatible with each other. VENGEANCE LPX DDR4 modules are compatibility-tested across DDR4 systems for reliably fast performance. Is the DDR5 backward compatible with DDR4? DDR5 has different pins and cut assortment like all predecessors. . "DDR4 RAM is not backwards compatible with DDR3 motherboards and vice versa. It’s. 19,160. Previous DDR generations are backward-compatible within tWhile the 12th Generation Intel® Desktop Processors support DDR5 (Up to 4800 MT/s) & DDR4 (Up to 3200 MT/s) speeds. Q. Semiconductor memory plays an essential role in the development of countless electronic devices ranging from computers and gaming consoles to televisions and telecommunications products. SKILL Ripjaws DDR4 SO-DIMM Series DDR4 RAM 16GB (2x8GB) 3200MT/s CL22-22-22-52 1. e. There’s XMP 2. The new Intel 12th-gen and upcoming 13th-gen processors, as well as the newAMD Ryzen 7000-series processors, make PCs more powerful than ever before. Sony kept its backward compatibility support going with the PlayStation 3. Talking about compatibility, neither of these devices is backward or forward-compatible. This means that if the motherboard specifies DDR3 RAM, then its DDR3 RAM only that should go into the RAM slot. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. (PC4-21300), and backwards compatible with lower frequencies (2400MHz and 2133MHz) CAS Latency of 19, 1. It is the higher-speed successor to DDR, DDR2, DDR3, and DDR4. The DDR5 RAM is not backward compatible, so it can’t be paired with the DDR4 motherboard. The listings below should resolve any confusion. Can DDR4 and DDR5 work together? IS DDR5 BACKWARDS COMPATIBLE? Here's what you need to know about DDR5 backwards compatibility with DDR4. 2 Gen 2x2, Lightning Gen5, Front Type-C, 2. 0 is backward compatible. But now it seems that DDR5 memory will not be cheap. I believe 1 2400 and 1 2666 would also run in dual channel, but buy a matched pair. In order to meet different gaming, overclocking and modding requirements, Zeus Dragon DDR4 Gaming RAM guarantees high compatibility for it has passed multiple motherboard tests. 24,540. Importantly, RAM is not backwards or forwards-compatible. 0 expansion cards into PCIe 3. See the notes on the motherboard: "** DDR4 2666MHz and higher memory modules will run at max. The DDR2 2400 has a storage capacity of 16 GB while the DDR4 3200 has only 8 GB storage. CAS Latency of 18, 1. What happens if I put DDR3 RAM into a DDR4 Slot? DDR4 isn’t backward-compatible, and DDR3 is not forward-compatible. DDR3 memory can technically be used on a DDR4 motherboard, but there are some caveats. The notch has been moved to prevent accidental insertion of the wrong type of memory. I'm Haseeb Sagheer, a tech writer with a BS in Software Engineering. DDR4 RAM cannot fit into DDR5 slots, and vice versa. No, DDR3 and DDR4 are not cross compatible. While some very few montherboards may have compatible slots for both DDR4 and DDR3, they are not compatible to run together on the same system. The 12th Generation Intel® Desktop Processors support DDR5-4800 MHz & DDR4-3200 MHz speeds. Select AI Overclocking Tuner to Manual/XMP (Extreme Memory Profile) No, you can not. I don't know how well that would work out, because the memory controller is often. In Stock. However, it doesn’t stop here! High performance DDR4 Desktop Memory designed for PC enthusiasts and gamers ; Exceptional performance with a frequency speed of 3200MHz (PC4-25600), and backwards compatible with lower frequencies (3000MHz, 2933MHz, 2666MHz, 2400MHz and 2133MHz) CAS Latency of 22, 1. See full list on howtogeek. I was about to grab 32GB of DDR4-2133 for my new Gigabyte Z170X. Why is DDR5 not backwards compatible? RAM compatibility is powered by the installed CPU and installed motherboard. The RAM will throttle itself if it cant use its full frequency. Getting DDR3 to run at 2666MHz or higher requires very careful binning of memory chips and can be very expensive, while 2666MHz is the lowest speed of our DDR4. For example, if you use a PCIe 3. That comment read like one of my essays where I'm just trying to fill the word count. The easiest way to tell whether a particular RAM stick will work with your motherboard is to look at the specifications. DDR versions do not support forward or backward compatibility. It is worth noting that the DDR4 RAM module is neither backward nor forward compatible. Power supply with both 8- and 6-pin PCIe Graphics (PEG. DDR4 is the future of memory, and it’s not compatible with any of the outdated memory sockets or controllers. 5V operation only. It’s the same thing for SSDs and why PCIe gen 4 SSDs are compatible with gen 3 slots and vice versa. For nyxee's question, DDR3L is different from DDR3 and DDR4 as it can work on a voltage range. 2v (DDR4) to 1. A DDR3 RAM stick will not fit into a DDR4 slot since it is not backward compatible. Gen 3 is currently more expensive than gen 4 for some reason and the sabrent SSD's are not available in europe. 0, with the socket putting out 28 lanes in total. So, you can find the best possible RAM performance by tweaking the modules and saving profiles you're. The key notch locations on both RAM sticks look very similar at first glance, but if you stack them side by. ) The board runs off of DDR4 Ram which is something none of the AM3 chips can do. 2v only. Find the backwards compatible operating points and update the Zynq PCW GUI to match these requirements. Or copy link. For nyxee's question, DDR3L is different from DDR3 and DDR4 as it can work on a voltage range. DDR4 and DDR3 have key notches in different places on the DIMM to prevent them from being mixed up, and Haswell-E and X99 are DDR4 only. For the price of 32GB DDR5, i got myself 64GB DDR4 ECC (VLP) memory, what i can ride out for years or move into a NAS. This motherboard limitation means you'll need to choose whether you want to get the lower-cost DDR4 memory or get DDR5 with the ability to upgrade it in the future. 0 again. DDR4 modules don’t look different at a glance but there are some subtle differences. 2 x DDR4 DIMM Memory Slot, Max. Intel DDR5 RAM Compatible Motherboards. In just about any notebook, desktop, server or Mac, one of these types of modules will be used as the. No, DDR4 slots are not backwards compatible. For example, if your system was designed for DDR4 technology, it won't be able to support DDR5 modules. DDR4 memory has a lower frequency and CL ranging from 13 to 22, whereas DDR5 has a higher frequency and CL higher than 22. RAM slots are not backwards compatible, they aren’t even physically compatible to start with, so using a DDR4 RAM stick in a DDR5 RAM slot is physically impossible. . Many mobos, you know, require matched DDR, and have. Any way, this is an 075E grade speed (CL=18 cycles) while the MT40A512M16LY-062E IT:E part is 062E speed grade (CL=22 cycles). The socket features a dual-channel DDR5 memory interface. Commercially available M. For starters, Haswell-E tops out at a 2666MHz memory strap, which is very low for what DDR4 can do. Socket AM5 (LGA 1718) is a zero insertion force flip-chip land grid array (LGA) CPU socket designed by Advanced Micro Devices that is used for AMD Ryzen microprocessors starting with the Zen 4 microarchitecture. 0, you can still use them with your new AM4 socket motherboard and Ryzen 7000 processor. Since RAM modules are NOT backward compatible, you cannot use a DDR5 RAM module on a DDR4 motherboard. Some confusion has been created due to the difference in the actual listings for speed ("MHz"), and the way memory is described from a sales standpoint (" PC XXXXXX "). For systems that do not need speed increases above DDR3-1333 and DDR3-1600, DDR4 can support these slower bandwidth requirements with substantially lower power requirements. By Deep Shrestha October 18, 2023. That. As you can see if it wasn't for the ram an am5 processor would actually end up being cheaper. You can only insert it into a slot made for DDR4 chips. The card is a 4. These modules come in sizes of 16GB, 24GB, 32GB, and 48GB, for a potential 192GB of RAM on the. PCIe 4. DDR is the RAM of your system that goes in the motherboard. 0 support for trouble-free automatic overclocking. Anyone looking to use this RAM will see it running at the default value, which is considerably slower, but experienced PC builders can change the RAM. However, I have also found slightly cheaper DDR4 SODIMM 8GB modules that run at 2400Mhz instead (which is the original RAM speed), but the notch is in the middle towards the right, which makes me wonder if there will be a compatibility issue when I try to fit the new RAM in. PC-133 is simply capable of running at a higher. A: Yes! DDR4 employs a new specification, XMP 2. Adequate clearance space in your case. Intel's 12th, 13th, and 14th generation Core CPUs support both DDR4 and DDR5. Reply reply Izeet • Ok no worries thank you. 2 NVMe slot, and possibly the remaining eight as chipset bus. Nope. DDR2. 1V) Motherboard. 1V of power. For. Skill’s Flare X5 series comes in speeds of up to 6,000MHz, the best speed for AM5 motherboards. 5V and 1. 5 5 years or Max Endurance (TBW) limit, whichever occurs first. The PCI-Express interface is PCI-Express 4. 4, cables will be backward compatible to a point, so HDMI 2. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. DDR5 has a different pin layout than DDR4 and DDR3. Even if a device is compatible with faster LPDDR4 memory, it may not work with. Plus Intel have the DDR4 based motherboard options which is a lifesaver if you check DDR5 pricing and also the launch prices of AMD DDR5 platforms won't be. No, DDR5 is not backwards compatible with DDR4 and this is a DDR5 board. Is DDR4 backward compatible with DDR3, DDR2 and DDR1? Category : Compatibility. Operation/Speed. No DDR4 is not backward compatible. DDR4 and DDR3 have key notches in different places on the DIMM to prevent them from being mixed up, and Haswell-E and X99 are DDR4 only. Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs. PSU: 850W Gold certified from Coolermaster (was already in the case) CPU: Ryzen 9 5950x Stock settings (i have an ITX case NR200P MAX) GPU: asus rog strix 2080 ti O8G. Haseeb Sagheer. Unfortunately, DDR5 RAM is not backward compatible. 3,167. If you want to upgrade, you need to know which memory type you want to use. LPDDR4 also has a more flexible burst length ranging from 16 to 32 (256 or 512 bits, 32 or 64 bytes), although 16 BL is mostly used. [quotemsg=14435405,0,1338921]Over a decade ago in the pc100 and pc133 days ram was backwards compatible. 65 V range. DDR2 uses the same internal clock speed as DDR, however, the transfer rates are faster due to the enhanced input/output bus signal. From the datasheet Backward Compatibility table it looks like the 062E can support. Screw that. Note These memory chips can only be installed on a motherboard that supports DDR4 memory and are not backward compatible with DDR3 memory slots. DDR6 RAM for general-purpose computing aims to go up to. Head over to the PC Part Picker Builder. dual channel kits might not reach advertised speed in quad channel settings even if both set are at 3200mhz. That was speculated a while ago, but that's not the case. 1. Super Durable Solid Caps. DDR4 is a memory standard designed as a better, faster, more reliable replacement for DDR3. We're currently using DDR4 2400P chips on our boards along with the ZU09 MPSOC. DDR5 compatibility. The socket features a dual-channel DDR5 memory interface. 2 Gen 2 Type-C ®, RGB FUSION 2. Amazon's. Intel® Pentium® Gold G66xx, G65xx, G64xx processors and Intel® Celeron® G59x5 processors are not compatible with motherboards based on. It’s an added bonus that the chip prices crashed recently. ContentsWill ddr5 ram work on ddr4 motherboard?How many types of RAM sticks are there?RAM sticks and their physical profileWhat are the 3 types of RAM?Are there different physical sizes of. 1 cable for future-proofing. NOTE: DDR3L low voltage memory - NOT backward compatible with DDR3 memory What is DDR3L memory? Model Memory Type Dimm Slots Max System Memory Memory Compatibility; Latitude 3330: DDR3/DDR3L: 2:. DDR4 RAM is not backwards compatible with DDR3 motherboards and vice versa. Must Know. If you have DDR5 RAM, it will NOT work in a motherboard designed for DDR4 RAM. 5 Gb Ethernet. One of the main differences between DDR4 and DDR5 RAM is speed. It indicates that you can’t use any older type of RAM in this latest DDR4 slot except the DDR4 RAM stick. On the motherboard of many PCs, there’ll be a few additional slots. Technical Tip for DDR4 Memory backwards compatibility on ThinkSystem and System x Servers. A: Yes! DDR4 employs a new specification, XMP 2.