The Micron MT41K256M16-107 datasheet (rev1. 3. Frequency:. 0 hardware can seamlessly fit into older PCIe slots, albeit at reduced speeds due to the older slot’s bandwidth limitations. DDR3 DIMM DDR2 Sockets DDR3 DIMM key (right) is not aligned with DDR2 socket key What are DDR3 memory speeds and naming conventions? DDR2 DDR3 Unbuffered DIMMs 240-pin 1. Refer to the DDR3 (1. It seems that motherboard makers have limited DDR4 to their lower end/ lower mid-range boards - like dual PCIe 5. Just making sure, so if it isn't, he can save up for buying both the new mobo and ddr3. This should give you details regarding the type, amount, and RAM characteristics the motherboard can support. DDR2 DIMMs are not designed to be backwards compatible with DDR DIMMs. DDR4 vs DDR3 DIMMs DDR3 modules use 240 pins and DDR4 DIMMs. Not only will they not work, but they might need to fit in the same holes. Is a mobo that supports DDR3, backwards compatible with DDR2 memory? Since they both have the same 240-pin setup. Maybe you should give us some info about how you use the computer, which programs, games you run, whether you run VM's, etc. In terms of standard motherboard slots also the notch or the. This means that DDR3 RAM won’t work on a DDR4 motherboard or vice versa. Solution. e. 35 V operation for. 5 - 1. DDR3: DDR3 is a single voltage capable memory SoDIMM, which supports 1. Supported latencies are minimums -- it is required by the DDR3 specification. 8Gb: x16 TwinDie DDR3L SDRAM. Looking to the spec that you sent it says: Module Voltage 1. 5 (Multiplier)X333MHz (FSB). 5V DDR3 SDRAM device. the 1600 ram out there can have 9 10 or 11 for timings. In other words, if you buy a 2666 MHz memory module, and the motherboard can only support 2133 MHz, the memory will go down to 2133 MHz. Therefore, all parts marked as DDR3L or DDR3L-RS are backward compatible to partsmarked as DDR3, and meet the JEDEC 1. Patriot Signature 4GB 204-Pin DDR3 SO-DIMM DDR3L 1600 (PC3L 12800) Laptop Memory for Ultrabook Model PSD34G1600L2S. 36x compared to DDR4 at the same clockspeed, giving it improved memory bus utilization. See all Memory (RAM) $39. 2007. DDR5 has a different pin layout than DDR4 and DDR3. DDR2 uses 184 pins b. Also, the USB 3. The DDR3 RAM can be used with 1. This model of DDR RAM is backward compatible with older RAM generations. No, only some Z690 boards support DDR4 however others support DDR5, if you purchase a DDR4 compatible Z690 you cannot use DDR5 ram and if you purchase a DDR5 compatible Z690 board, you cannot use DDR4 in it. While both types of modules have similar numbers of pins, the notches in the PCB are in different locations. DDR3 and DDR4 memory modules cannot be used in the same DIMM slot. Also, because DDR3 has been around for longer, it is compatible with older computers. 35V. You bought a brand-new router with Wi-Fi 6 but most of the gear in your house is Wi-Fi 5 or older. 283–1. Backward compatible to 1866, CL = 13 (-107). DDR3 consumes less power than DDR2 4. For a graphics card, you’ll require a PCI Fast x16 slot, which is standard. 5V operation. This also means the. 20 VDCs. DDR5 can also run at higher clock frequencies than DDR4. 5 V operation only. DDR3 RAM has a 240-pin interface. 35V (1. DDR3 RAM is rated at 1. 2GB/s. 2014. 5V) SDRAM. 20 VDCs. See the picture below for a. 35 V operation for. 0, while DDR3 remains on XMP 1. (whether it is. Here’s a way to check your Windows 10 system information. Business, Economics, and Finance. 2V. Just get DDR2 as DDR# apparently gives only 1-3% benefit over DDR2. DDR2 and DDR3 are not interchangeable but some motherboards give youo the option of both modules where 2 slots are reserved for DDR2 and 2slots are reserved for DDR3. Helpful (0) Unhelpful (0) Report. PNY - NVIDIA GeForce GT 730 2GB DDR3 PCI Express 2. Given its lack of backward compatibility, you can't fix it on a DDR3, DDR2, or DDR slot. Meaning that faster memory sticks can be safely inserted into a motherboard designed to run slower memory. A DDR3 RAM stick will not fit into a DDR4 slot since it is not backward compatible. Optiplex 380 Memory Upgrade Issue. Since most RAM modules are backward compatible, speeds are something you need to consider a little less than the other issues discussed above. DDR3 operates at a voltage of 1. $ 201. 2GB/s. Can I use DDR5 instead of DDR4? You can, but only if your motherboard is DDR5 compatible. Socket AM3 is a CPU socket for AMD processors. Example:DDR3 RAM is rated at 1. Compare. 99. 3. 5V (DDR3) as well as work with timings for either memory technology. 0 was made available in November 2010, after multiple delays. The "3200" refers to the module's bandwidth (the maximum amount of data it can transfer each second), which is 3200MB/s, or 3. DDR3 and DDR4 memory have different numbers of pins and run on speeds that are poles apart. 5 volts as your system does not offer a low voltage. DDR3 is not backwards compatible with DDR2. Takedown request View complete answer on atpinc. 240/204. In other words, if you buy a 2666 MHz memory module, and the motherboard can only support 2133 MHz, the memory will go down to 2133 MHz. It was initially equipped with 4 GB RAM 1333 MHz DDR3 SDRAM. Aug 9, 2014. So, a CL-9 will be faster than a CL-11, all other things being equal. Earlier today I went and bought 2x2GB Kingston ValueRAM (KVR1333D3S9/2G) spec'd at PC3-10600 (1333Mhz). There are motherboards (check Asrock) that can handle both memory types, but in different slots, and only one type at a time. Yes, DDR3 is the RAM that your motherboard supports, GDDR5 is the VRAM that comes on the graphics card. 35V (DDR3L) or 1. The only thing you need to check is whether or not your motherboard has a PCI-E slot. Compatibility Is this compatible with any desktop? If not, what specs in the desktop do I – Learn about PNY - Optima 2GB PC2-6400 DDR2 DIMM Memory - Multi with 6 Answers – Best Buy. 0 Graphics Card - Black with 5 Answers – Best Buy. To celebrate 20 years of Xbox. Step 1: Connect the SSD to the old PC via a SATA/M. Currently the Only Supported RAM generations are DDR3 ( for Server applications ) and DDR4 ( for general use). If there are more than one and they are different: The RAM in your system will 1. Here is a good reference for the differences between DDR2 and DDR3. 2V. Even if your notebook doesn't use the latest. It has low latency (9 or 10 CAS) compared to the DDR4 RAM (15 CAS). 1. Before playing a game, make sure to save in case you fail. PC3200 is backward-compatible for PC1600, PC2100, and PC2700. We also see that the actual memory installed is a pair of 4GB DDR3-1600 modules, which are backward compatible to several slower settings. 8V and DDR needs 2. Updated GDDR6 memory began to appear in AMD and Nvidia graphics cards in early 2019. DDR3 comes with your motherboard and has pins that align that affect compatibility. More recently, dual 1. 8V (DDR2) and 1. 5V (or 1. backward compatible翻译：（电脑等可以使用过去版本）反向兼容的，回溯兼容的。了解更多。Super User Can DDR2 and DDR3 RAM memories be used simultaneously?. Comparison chart. 0 compatibility could be done on older x470 motherboards. 5 V. Why is DDR5 not backwards compatible? RAM compatibility is powered by the installed CPU and installed motherboard. There are different types of DDR and DIMM and each one of them serves several purposes. DDR3 works on 1. Launch MiniTool Partition Wizard and open this software. Decade-old demand for DDR3. 288/260. It is important to understand the similarities and differences between the DDR3 standard and the existing. Your RAM will scale to the FSB and will only be able to receive, process and return DATA at that speed (333MHz). In SDRAM modules, the numbers that come after the "PC" refer to the speed of the system's front-side bus. A DDR3 1866 Mhz RAM operates at an 1866 MHz clock, and an 1866 MHz clock cycle takes only 0. Any compatible Intel CPU will have the same socket entry. Given its lack of backward compatibility, you can't fix it on a DDR3, DDR2, or DDR slot. Memory Type: DDR3 PC3-12800, DDR3 PC3-14900, DDR3 PC3-10600, DDR3 (non-ECC) Maximum Memory: 16GB. DDR4/LPDDR4 ones will start at 2666 MHz (Skylake's standard DDR4 memory clock speed, double that of DDR3-1333, which was Lynnfield's standard). High density modules only have 10% compatibility and are very slow. LGA 1151, [1] also known as Socket H4, is a type of zero insertion force flip-chip land grid array (LGA) socket for Intel desktop processors which comes in two distinct versions: the first revision which supports both Intel's Skylake [2] and Kaby Lake CPUs, and the second revision which supports Coffee Lake CPUs exclusively. How often. 35 V RAM?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. S 02/16 EN 1Also is DDR3 backwards compatible with DDR2? At this point there is no price difference that I've noticed so should I buy DDR3 memory? zisforzorro, Jul 20, 2011 #5. As a result, DDR SDRAM is not backwards compatible with SDR SDRAM. 5V) SDRAM data sheet specifications when running in 1. 85mm) than DDR3 (1mm). Rating 4. 5 o Increased density, die shrinkage o Faster possible speeds (800MHz-2133MHz) Most common form of DRAM found today JEDEC Specifications have been expanded by Intel’s XMP (extreme memory profile) to enable higher speeds and performanceDDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot. PCIe 5. The problem is; if this is backwards compatible, then when the inevitable remaster comes around, it will likely skip Xbox and just go to Nintendo and Sony as has been the case with a few games recently (e. RAM, type, not the graphics card memory type. This should give you details regarding the type, amount, and RAM characteristics the motherboard can support. DDR3 SDRAM is neither forward nor backward compatible with any earlier type of random-access memory because of different signaling voltages, timings, and other factors. 35 V operation for memory. 0 if we can use v1. Other than that, there's no difference between them. DDR5 RAM may seem similar to the previous-gen DDR4 or DDR3 RAM sticks, but it is not. 35 V. Sorted by: Reset to default. 5V . An unknown DDR3 rating could also be discovered via dividing the PC3 rating by 8, as is custom in mathematics/algebra. I have an HP notebook which only has USB 3. Both modules have key notches to lock them in place in the motherboard’s DIMM slot, but the pin. 20 VDCs. 50 Vs. 424. DDR3 is backward compatible with DDR2 c. Also, DDR2 SDRAM ins't backwards compatible. While both types of modules have similar numbers of pins, the notches in the PCB are in different locations. 5V - meaning that it can only be operated at that particular voltage (and can only be used with a DDR3 slot since only DDR3 slot can provide that voltage) whereas DDR3L supports dual voltages (1. 35 Volt Fixed Build of Material Compatible With Intel's 3rd Generation Mobile. DDR4 RAM stacked on top of a DDR5 RAM module. always recognized by the system with no glitches. 35V test screen incorporates testing to ensure backward compatibility to 1. Computers today use generations DDR3, DDR4, and DDR5, with DDR4 being the most common and DDR5 as the future. 5V power, DDR2 needs 1. y' is a decision which should be made by the steering council in consultation with the community. The voltage difference between DDR3L and DDR3 can easily make the memory modules completely incompatible, but it's not an across the board guarantee. Conclusion. x cards will be compatible. 5V applications • Differential bidirectional data strobeDDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot. Monitor: U2713M @ 75Hz. In "DDR3-1600 PC3-12800" "DDR3" is the type (and must be the same as what your computer has)ddr3 or ddr2, when will ddr3 be the new standard. Backward Compatibility. 2 SSD drive lengths include 30mm, 42mm, 60mm, 80mm, and 110mm. 0 would carry a bit rate of 8 gigatransfers per second (GT/s), and that it would be backward compatible with existing PCIe implementations. Q: Is DDR4 backwards compatible with DDR3? A: No. It’s an added bonus that the chip prices crashed recently. 5V ±0. IMO I would say just go for a DDR-5 mobo. Oct 20, 2013. Ddr3 to ddr2 adapter. Headphones: Kingston HyperX Cloud Revolver. 0 proudly continues the tradition of being fully backwards compatible with previous PCIe generations. XP941, SM951, SM961, PM961, 960 Evo, 960 Pro) compatible motherboards (2280) Note, all below motherboards and others with a free PCIe 2. 1. Power supply with both 8- and 6-pin PCIe Graphics (PEG. DDR2 runs at twice Memory bus speed and at a lower voltage than DDR. DDR3 uses a voltage of 1. DDR3/LPDDR3 UniDIMMs will ship with frequencies of 1866 MHz (DDR) as standard. 17 posts Ars Technica Forums Hardware & Tweaking CPU & Motherboard Technologia Jump to: Argos Uk Poker Chips DDR2 and DDR3 are fully backwards compatible just like PCI-E No, DDR3 and DDR4 are not cross compatible. DDR3 is an older memory technology with lower bandwidth and higher latency, while DDR4 offers improved performance, lower power consumption, and higher data transfer rates. 2v only. A GPU running DDR3 is trash and should be in the garbage. All RAM generations are NOT backward compatible. 5V compatible mode. GPU VRAM and System RAM are separate things. Anyway, in the meantime, I have read on many forums that DDR3L is backward compatible with DDR3, meaning that it can run at both its native 1. 65v. To improve system performance. the S in SDRAM stands for static c. Ddr3l supports lower operating voltages compared to ddr3, making it more energy efficient and compatible with newer devices. The DDR2 of the motherboard is the main system memory, i. They are not backwards compatible. Backward compatible to 1866, CL = 13 (-107). Quoting wikipedia:. pdf - Rev. 5V operation. DDR3 RAM is backward compatible with the older RAM generations, while DDR4 RAM is not backward compatible with the older generation’s RAM. 35V Buffered/Registered: Unbuffered Features: SODIMM Type: 204-Pin Dual In-Line Memory Module Ultra-Low Power Optimized, 1. Because they use different clocking technologies and are not compatible with hardware and software standards. Not only is the key notch of each DDR generation different (please refer to Figure 1 above), but the DDR4 pin size and arrangement is different from DDR3. 35 V operation for memory. Navigating the DDR5 Transition and Future. run at the lowest supported speed by any one stick of installed RAM. DDR3L Compatibility with DDR3. DDR3 1333 RAM is also backward compatible with DDR2 800 MHz and DDR3 1066 MHz. It uses the DDR3 memory type, with maximum speeds of up to 1600 MHz, and 2 DDR3 slots allowing for a maximum total of 16 GB RAM. 3. 7 out of 5 stars with 1342 reviewsCastlevania: Curse of Darkness. For nyxee's question, DDR3L is different from DDR3 and DDR4 as it can work on a voltage range. 2007. Backward compatibility means compatibility with any previous versions or legacy systems. 5V ±0. Frequently, DDR2 based systems can use memory installed in pairs to run in "dual channel mode" to increase memory bus throughput even further. Functionality. The difference between the two is thatDDR4 consumes less power and is quicker thanDDR3. Due to chipset resource usage, the system will only. The Cave. 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. Offset to left. No, DDR4 slots are not backwards compatible. 1. DDR3 is not backward compatible with DDR2 and DDR. And this is the difference: DDR3L can run with 1. DDR3 RAM has a 240-pin interface. 35 V operation for. No. It is NOT compatible with computers using 4th Gen Intel processors, which exclusively support 1. PC3-8500 and PC3-10600 Compatibility. Adequate clearance space in your case. DDR3 RAM is also cheaper, but if you’re a gamer or use demanding software suites, you should go with the latest variant. SDRAM runs synchronized with the system clock Today's DIMMs use a 64-bit data path. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. 5V) SDRAM data sheet specifications when running in 1. 5v only while DDR4 consumes 1. 65v. Also what size PSU do you have installed?As DDR4 will only work in motherboards that are compatible with DDR4, and DDR3 will only fit in motherboards that are compatible with DDR3. DDR3 and DDR4 are types of RAM installed on a computer. The power supply for each generation also varies: for DDR1 DIMMs, it's 2. The only difference is that it has passed validation at 1. It is NOT compatible with computers using 4th Gen Intel processors, which exclusively support 1. The DDR3 RAM can be used with 1. Why binary compatibility matters. 6 GHz DDR3 DIMM Desktop Memory - Green. **(1) SDRAM runs synchronized with the system clock** (2) DDR2 uses 184 pins (3) the S in SDRAM stands for static (4) DDR3 is backward compatible with DDR2. 5 V and 1. In other words, a DDR3 module cannot be placed in a DDR2 memory socket, and vice-versa. e. Ddr3 and ddr3l are two types of ddr3 sdram, which. So in case you need 4gb or 8GB ddr2 or ddr3. Some of its benefits are discussed below. Not backward copactible with DDR3 Computers: Older computers cannot benefit from all the features of DDR4 SDRAMs. Finally, all things considered, whether it is. Using ECC decreases your computer's performance by about 2 percent. DDR3 and DDR4 memory modules cannot be used in the. The DDR3 memory chips offer higher bus clock speed and capacity and consume less power than a DDR2 RAM. 5 V and 1. Create flashcards for FREE and quiz yourself with an interactive flipper. The stick will not fit into the slot, and even if it does, the format will be rejected by your motherboard. Standard DDR3L Modules should be backwards compatible and accept 1. As already mentioned, DDR3 is used in CPUs for system memory. Bottom line is if you are. 2Gb: x4, x8, x16 DDR3 SDRAM Features PDF: 09005aef826aaadc 2Gb_DDR3_SDRAM. How well do you guys think this will work. 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: 16 GB: 1333 MHz (Sandy Bridge) 1600 MHz (Ivy Bridge) Latitude E6430u: DDR3 SODIMM: 2: 16 GB: 1600 MHz: Latitude E6230:. DDR4 is not backward compatible with DDR3 motherboards because the physical design of modules (DIMMs) for DDR4 and DDR3 are different. 5V DDR3 SDRAM device. Therefore, true memory latency of DDR4-3200 CL22 = 13. Any chip count not divisible by nine indicates a non-parity memory module. DDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot. aside from electrical. 5V) SDRAM specifi cations when running in 1. Q: Is DDR4 backwards compatible with DDR3? A: No. DDR3 memory isn’t backward compatible, but DDR3L memory is. What is DDR3 1600 RAM? DDR3 1600 RAM is a type of computer memory faster than the standard DDR3 1333 RAM. DDR3 memory has a higher bandwidth, providing faster data transfer than DDR2. DDR3 has a different clock. In order to use DDR3 RAM in a DDR4 slot, the stick must be backward-compatible with DDR3. DDR4 is backward compatible as far back as DDR3-1333. DDR3 (1. What does DDR5 work with?The answer is no, DDR5 has a different pin layout than DDR4 motherboard. 1- Is DDR3 'backwards compatible' with DDR2? Bascially, if I get a DDR3 motherboard can I use DDR2 RAM? 2- Same with speeds, if a motherboard supports a certain speed, and I buy RAM that's slower than the motherboard's memory standard, with the memory work w/o any compatibility or. The sole principal change from AM2+ to AM3 is support for DDR3 SDRAM. This means that if the motherboard specifies DDR3 RAM, then its DDR3 RAM only that should go into the RAM slot. DDR2 is a 240-pin module, DDR is a 184-pin module. 35V operation for memory. 2. ASUS ROG MAXIMUS Z690 EXTREME GLACIAL –. Unless you change your computer/motherboard to a PCIe 3. Oct 23, 2014. It is the higher-speed successor to DDR, DDR2, DDR3, and DDR4. DDR3 modules have slightly lower latencies than DDR2 5. AM3 was launched on February 9, 2009 as the successor to Socket AM2+, alongside the initial grouping of Phenom II processors designed for it. Posted by BillyBoB4869: “DDR2 work with DDR3 slot”. Putting a DDR3 stick into a DDR4 socket would. 3. In. 2Gbps per pin. 0 is not backward-compatible. DDR versus SDRAM comparison chart. DDR3 SDRAM is neither forward nor backward compatible with any earlier type of random-access memory (RAM) because of different signaling voltages, timings, and other factors. Simply put, a DDR4 DIMM will not fit on a DDR3 slot. DDR4 is backward compatible as far back as DDR3-1333. On the contrary, DDR4 RAM has a 288-pin interface. For ease of operation. It is NOT compatible with computers using 4th Gen Intel processors, which exclusively support 1. DDR4 DDR3 DDR2 All of the above. 0 also boasts forwards compatibility, allowing it to connect to. The current memory is "DDR3-1333Mhz (PC3-10600)" and I was wonder if there would be any issue with replacing it with "DDR3-1600Mhz (PC3-12800)" modules. Backwards compatibility guarantees that consumers may smoothly utilize older devices and software versions. Backward compatible to 1600, CL =11 (-125). Both have different key placing so they won't even physically fit, not to mention differences in electrical voltage: There are motherboards which will provide entirely separate slots for DDR2, but you cannot use DDR3 in DDR2 slots, or both types together. DDR4 RAM is not backwards compatible with DDR3 motherboards and vice versa. PCI Express 3. DDR3 has no backward compatibility while DDR3L has it. This is why we've seen DDR2, DDR3, and DDR4 RAM after the original generation. 35V (1. However, there are some motherboards that support both standars, but. The Xbox Series X/S was released in 2020 and was confirmed to be backwards compatible with the same list of games as the Xbox One at launch. The emerging DDR3 memory standard will extend the performance range of DDR memories considerably, while maintaining some amount of backwards compatibility with the existing DDR2 memory standard. Championship Manager: Season 01/02. Return to site. 0 Graphics Card - Black. true memory latency of DDR5-4800 CL40 = 16. • DDR3 Data Rate = 800, 1066, 1333, 1600 Mb/s • Supply Voltage = 1. All you have to do is run DxDiag and see if you have DDR2 or DDR3 ram and if you have DDR2 then you are just fine, its a bit older, DDR3 is the here and now. For example, the RAM is not backward compatible, you can’t use DDR4 RAM in a DDR3 RAM slot. The power supply for each generation also varies: for DDR1 DIMMs, it's 2. "DDR4 RAM is not backwards compatible with DDR3 motherboards and vice versa. But will a ddr3 graphics card work with a ddr4 motherboard? Solution Tradesman1; Jan 16, 2016; Yes, if a PCI-E card, which most are . In other words, if you buy a 2666 MHz memory module, and the motherboard can only support 2133 MHz, the memory will go down to 2133 MHz. Added to other enhancements like Auto HDR and your previously owned catalog of games – many of which are included in your Xbox Game Pass membership – FPS Boost brings. I would recommend this to a friend. Features •VDD = VDDQ = 1. 0 video card because all three variants of this slot are backward compatible. The two major manufacturers of processors are Intel and NVIDIA. That means DDR3 RAM is compatible with the DDR3 slot and DDR4 RAM is with the DDR4 slot. Again, according to my understanding of it, the RAM modules are controllable and have backwards compatibility with slower modules, (because they can be instructed to operate at both slower speeds (frequencies) within their class (DDR, DDR2, DDR3, and DDR4), and at the higher latency rates as well. 5V) SDRAM. 0 slots or Thunderbolt 4 are out of the question. DDR3 is a type of DRAM (dynamic random-access memory) released in June 2007 as the successor to DDR2. 3. Add to cart. Is DDR5 backward compatible with DDR3? No, DDR5 isn’t backward compatible with DDR3 or any older RAM generation. DDR versions do not support forward or backward compatibility. 2666MHz and 2400MHz are DDR4 and backwards compatible. While both types of modules have similar numbers of pins, the notches in the PCB are in different locations. Offset to left. However, some devices allow the installation of identical DDR chips. Although the memory can be install. , DDR 2, DDR 3, and DDR 4, a motherboard is NOT backward compatible. Dont worry about DDR3 right now. 0. That was speculated a while ago, but that's not the case. Currently I have 2 * PC3-10666 2GB in it (4GB total). DDR3 is not backwards compatible to DDR2 6. 0 for easy overclocking and has a low-profile design that fits in most cases. Despite the physical similarity of their DIMMs (RAM stick), these standards are not cross nor backward-compatible. 0 Base specification revision 3. Q: Does DDR4 have XMP? A: Yes! DDR4 employs a new specification, XMP 2. Learn about compatibility and using the Crucial RAM and motherboard compatibility checkers. The sole principal change from AM2+ to AM3 is support for DDR3 SDRAM. 5. If your PC is from 2014 or earlier, it is most likely using. 1333 ram may have tight timings maybe 7 most likely 9. 3 to 2. disabled is dependent upon the DDR3 SDRAM configuration and operating mode.