{"title":"DDR5 Server Memory","description":"\u003cp\u003eDDR5 registered memory is required by current server platforms: Intel Xeon Scalable 4th and 5th Gen, Xeon 6 and AMD EPYC 9004, which means HPE ProLiant Gen11 and Dell PowerEdge 16th generation. This range lists 32GB, 64GB and 96GB RDIMMs at 4800 and 5600 MT\/s by part number.\u003c\/p\u003e\n\u003cp\u003eDDR5 modules do not fit DDR4 slots, and Intel and AMD platforms often take different HPE kits for the same capacity, so check the part number against your server's QuickSpecs. A 5600 MT\/s module runs at 4800 on 4th Gen Xeon. DDR5 prices have moved sharply through 2026; we confirm the price on every order.\u003c\/p\u003e","products":[{"product_id":"hpe-p43328-b21-32gb-ddr5-4800-rdimm","title":"HPE P43328-B21 32GB DDR5-4800 2Rx8 RDIMM Smart Memory Kit","description":"\u003cp\u003eHPE P43328-B21 is a 32GB DDR5-4800 registered Smart Memory kit for ProLiant Gen11 servers with Intel Xeon processors. The DIMM is dual rank, built from 16Gb x8 DRAM, with CAS 40-39-39 timings, EC8 error correction and a 1.1V supply. HPE PartSurfer lists the spare as P48501-001.\u003c\/p\u003e\u003cp\u003eHPE's server QuickSpecs list this kit for the ProLiant DL380 Gen11 and DL320 Gen11, and the DDR5 Smart Memory QuickSpecs place it in the Intel section. AMD-based Gen11 servers use a separate kit, P50311-B21, with the same headline specs. On a processor that supports 5600 MT\/s the module still runs at its 4800 MT\/s rating, and if it is mixed with 5600 MT\/s kits, all memory runs at 4800.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMatch the x8 organization of the memory already installed. The DL320 Gen11 QuickSpecs say x4, x8 and 3DS modules should not be mixed.\u003c\/li\u003e\n\u003cli\u003eDo not mix RDIMMs with other DIMM types; the DL380 Gen11 QuickSpecs rule this out.\u003c\/li\u003e\n\u003cli\u003eFill channels evenly so each processor gets balanced bandwidth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDDR5-4800 is the top memory speed of 4th Gen Xeon Scalable processors, the chips many Gen11 servers shipped with, so this kit matches the memory already in a large share of installed DL380 and DL320 Gen11 systems. That makes it a practical way to expand a server without changing its memory profile. Being HPE Smart Memory, it is recognized by the server as a genuine HPE part. ICT Devices can quote single kits or full-server sets.\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default Title","offer_id":45070393442487,"sku":"P43328-B21","price":1762.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/hpe-p43328-b21-32gb-ddr5-4800-rdimm-angle.png?v=1793864884"},{"product_id":"hpe-p64706-b21-32gb-ddr5-5600-rdimm","title":"HPE P64706-B21 32GB DDR5-5600 2Rx8 RDIMM Smart Memory Kit","description":"\u003cp\u003eHPE P64706-B21 is a 32GB DDR5 registered memory kit for ProLiant Gen11 servers with Intel Xeon processors. The single DIMM is dual rank with x8 DRAM devices, rated at 5600 MT\/s with CAS 46-45-45 timings and EC8 error correction, and it runs at 1.1V. HPE also sells a -K21 version of the kit, and PartSurfer returns P68074-001 as a spare.\u003c\/p\u003e\u003cp\u003eHPE's DDR5 Smart Memory QuickSpecs list the 5600 MT\/s kits in the Intel section only; the AMD Gen11 section has no 5600 kits. HPE parts records show related spares in DL320, DL360, DL380, ML110 and ML350 Gen11 systems. Memory speed is set by the processor, so a 5600 MT\/s module installed with a CPU that supports 4800 MT\/s runs at 4800. HPE also notes that when faster and slower DIMMs are mixed, all of them run at the slower speed.\u003c\/p\u003e\u003cp\u003eBefore ordering, check:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe width of installed memory. HPE's DL320 Gen11 QuickSpecs say x4, x8 and 3DS modules should not be mixed, so a 2Rx8 kit belongs with other x8 modules.\u003c\/li\u003e\n\u003cli\u003eThe processor's rated memory speed, which decides whether you get the full 5600 MT\/s.\u003c\/li\u003e\n\u003cli\u003eThat you need the Intel kit. AMD-based Gen11 servers use different HPE part numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA 32GB x8 module is a common building block when each memory channel gets one DIMM. If you need more capacity per slot, the 64GB P64707-B21 is the companion kit, but it is x4, so do not mix the two in one server. As HPE Smart Memory, the module is recognized by the server firmware as a genuine HPE part. ICT Devices can quote either kit.\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default Title","offer_id":45070602371255,"sku":"P64706-B21","price":2252.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/s00011760_b388f3ec-4166-47b1-835b-2872ffa48924.png?v=1752088799"},{"product_id":"hpe-p43331-b21-64gb-ddr5-4800-rdimm","title":"HPE P43331-B21 64GB DDR5-4800 2Rx4 RDIMM Smart Memory Kit","description":"\u003cp\u003eHPE P43331-B21 is the 64GB member of HPE's DDR5-4800 Smart Memory family for Intel-based ProLiant Gen11 servers. It is a single dual-rank DIMM built on 16Gb x4 DRAM, with CAS 40-39-39 timings, EC8 error correction and 1.1V operation. HPE PartSurfer gives P48502-001 as the spare number.\u003c\/p\u003e\u003cp\u003eHPE's server QuickSpecs list the kit for the ProLiant DL380 Gen11 and DL320 Gen11, and the DDR5 memory QuickSpecs list it under Intel-based servers only. For AMD EPYC Gen11 models HPE sells a separate 64GB 2Rx4 kit, P50312-B21. The module runs at 4800 MT\/s, which is the top memory speed of 4th Gen Xeon Scalable processors. Installed alongside 5600 MT\/s kits, everything runs at 4800.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKeep x4 modules apart from x8 modules such as the 32GB P43328-B21. HPE's Gen11 QuickSpecs advise against mixing them.\u003c\/li\u003e\n\u003cli\u003eUse the same capacity and rank in each channel where possible, following the server's population guide.\u003c\/li\u003e\n\u003cli\u003eCheck whether the server has an Intel or AMD processor before choosing a part number.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHosts running many virtual machines or in-memory databases often standardize on 64GB modules because they reach large totals without filling every slot. As HPE Smart Memory, this kit is recognized by the server firmware as a genuine HPE part, and third-party modules are not validated by HPE. ICT Devices can quote it alone or as part of a Gen11 build.\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default Title","offer_id":45071857254583,"sku":"P43331-B21","price":3096.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/hpe-p43331-b21-64gb-ddr5-4800-rdimm-angle.png?v=1793864932"},{"product_id":"hpe-p64707-b21-64gb-ddr5-5600-rdimm","title":"HPE P64707-B21 64GB DDR5-5600 2Rx4 RDIMM Smart Memory Kit","description":"\u003cp\u003eHPE P64707-B21 is a 64GB DDR5-5600 registered Smart Memory kit with one dual-rank x4 DIMM. HPE rates it at CAS 46-45-45 with EC8 error correction, and it runs at 1.1V. PartSurfer lists spares P65255-001 and P68075-001, and HPE's QuickSpecs also show a -K21 version of the kit.\u003c\/p\u003e\u003cp\u003eHPE supports its 5600 MT\/s DDR5 kits on Gen11 servers with Intel processors. Parts records place this module's spare in DL320, DL380 and ML110 Gen11 builds as well as HPE StoreOnce systems. The full 5600 MT\/s rate needs a processor that supports it. With a 4800 MT\/s processor, or when slower DIMMs are mixed in, all memory drops to the lower speed. Capacity per slot is the main reason to choose this kit: 64GB modules let a server reach large totals while leaving slots free for later.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKeep x4 and x8 modules separate. HPE Gen11 QuickSpecs advise against mixing them, so do not combine this kit with the 32GB x8 P64706-B21.\u003c\/li\u003e\n\u003cli\u003eDo not combine registered DIMMs with other memory types.\u003c\/li\u003e\n\u003cli\u003eConfirm you need the Intel kit. AMD-based Gen11 servers use other HPE part numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSome resellers have flagged this kit as discontinued, but it still appears in HPE's October 2026 DDR5 QuickSpecs, so supply can vary from month to month. As HPE Smart Memory, it is recognized by the server firmware as a genuine HPE part, which matters if you open HPE support cases. ICT Devices will confirm current supply and pricing when you request a quote.\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default","offer_id":48777824501943,"sku":"P64707-B21","price":3900.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/s00011760.png?v=1752083575"},{"product_id":"hpe-p50312-b21-64gb-ddr5-4800-rdimm","title":"HPE P50312-B21 64GB DDR5-4800 2Rx4 RDIMM Smart Memory Kit for AMD","description":"\u003cp\u003eHPE P50312-B21 is a 64GB DDR5-4800 registered Smart Memory kit that HPE lists for its Gen11 servers based on AMD EPYC processors. The module is dual rank with x4 DRAM and is rated at CAS 40-39-39 with EC8 error correction. PartSurfer returns P56153-001 as its spare part.\u003c\/p\u003e\u003cp\u003eHPE's DDR5 Smart Memory QuickSpecs list this kit in the AMD section, while the similar P43331-B21 is listed for Intel. The two share the same headline specs but carry different part numbers, so order the one that matches your processor. HPE's memory guide does not publish a per-server table for this kit, so we have not listed specific models here. Check your server's QuickSpecs, or send us the model and we will confirm.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePartSurfer describes the spare P56153-001 with a PC5-5200 speed label. The option kit is sold as DDR5-4800, and it runs at the speed the processor and installed memory allow.\u003c\/li\u003e\n\u003cli\u003eDo not mix x4 and x8 modules or different DIMM types in one server.\u003c\/li\u003e\n\u003cli\u003eWhen modules of different speeds are mixed, HPE says all memory runs at the slowest speed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e64GB dual-rank modules are a common capacity point for virtualization and database hosts, where the amount of memory per socket often matters more than raw speed. As HPE Smart Memory, the kit is recognized by the server firmware as a genuine HPE part, which keeps the configuration within what HPE has tested. ICT Devices can quote P50312-B21 on its own or with other Gen11 components.\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default Title","offer_id":57995309056183,"sku":"P50312-B21","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/hpe-p50312-b21-64gb-ddr5-4800-rdimm-angle.png?v=1793864978"},{"product_id":"dell-ac239378-32gb-ddr5-4800-rdimm","title":"Dell AC239378 32GB DDR5-4800 2Rx8 RDIMM Memory Upgrade","description":"\u003cp\u003eDell AC239378 is a 32GB DDR5-4800 registered DIMM for 16th generation PowerEdge servers. It is a dual-rank module with x8 DRAM, and Dell's product name states that it is not compatible with 5600 MT\/s DIMMs. Dell lists it with the manufacturer part number SNPW08W9C\/32G.\u003c\/p\u003e\u003cp\u003eDell's catalog data covers a wide range of systems, including the PowerEdge R660, R760, R760xs, R760xa, R6615, R6625, R7615, R7625, R860, R960, T560, C6620 and XE9680, plus several XR edge servers and Precision 5860 and 7960 workstations. Both Intel Xeon and AMD EPYC platforms appear on that list, so one part number can serve a mixed fleet of 16G servers.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDo not mix this module with 5600 MT\/s DIMMs in the same server; Dell flags that combination.\u003c\/li\u003e\n\u003cli\u003eKeep ranks and widths consistent. A 32GB 2Rx8 module belongs with other 2Rx8 modules.\u003c\/li\u003e\n\u003cli\u003eSome listings confuse AC239378 with Dell's other DDR5 parts; AC239377, for example, is a 16GB 1Rx8 module. Check the capacity on your quote.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDDR5 RDIMMs carry their own power management chip and split each module into two independent subchannels, so they do not fit DDR4 slots and cannot be mixed with DDR4 memory. A 32GB module per channel is a common baseline for general-purpose 16G servers. ICT Devices can quote AC239378 for single upgrades or full server sets; tell us the server model when you ask.\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":57995313053879,"sku":"AC239378","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/dell-ac239378-32gb-ddr5-4800-rdimm.png?v=1793865111"},{"product_id":"samsung-m321r8ga0bb0-cqk-64gb-ddr5-4800-rdimm","title":"Samsung M321R8GA0BB0-CQK 64GB DDR5-4800 2Rx4 RDIMM Server Memory","description":"\u003cp\u003eSamsung M321R8GA0BB0-CQK is a 64GB DDR5 registered DIMM rated at 4800 MT\/s (PC5-38400) with CL40 timing. It is dual rank with x4 DRAM devices and runs at 1.1V. Like other DDR5 RDIMMs it carries an on-module power management chip and splits the module into two independent subchannels, each with its own ECC bits.\u003c\/p\u003e\u003cp\u003eDDR5-4800 is the top memory speed for the first wave of DDR5 servers, including those built on 4th Gen Xeon Scalable and AMD EPYC 9004 processors, so this module fits the memory profile many of those systems shipped with. On newer processors that support faster memory, a 4800 MT\/s module runs at 4800. We have not found a manufacturer or OEM source that lists specific supported servers, so none are published here; check your server maker's memory guide for a 64GB 2Rx4 DDR5-4800 RDIMM.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMatch the 2Rx4 organization with installed memory. Many server makers do not allow x4 and x8 DDR5 modules in the same system.\u003c\/li\u003e\n\u003cli\u003eDo not mix DDR5 RDIMMs with other DIMM types, and remember DDR5 does not fit DDR4 slots.\u003c\/li\u003e\n\u003cli\u003eSamsung ships several label suffixes after -CQK; confirm which one your quote covers.\u003c\/li\u003e\n\u003cli\u003eIf your server needs OEM-branded memory for support, choose the OEM part instead.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e64GB per DIMM is a common choice for virtualization and database hosts. ICT Devices can quote single modules or full server sets; send us the server model and the memory already installed.\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":57995315544247,"sku":"M321R8GA0BB0-CQK","price":3082.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/samsung-m321r8ga0bb0-cqk-64gb-ddr5-4800-rdimm.png?v=1793865246"},{"product_id":"samsung-m321ryga0pb0-cwm-96gb-ddr5-5600-rdimm","title":"Samsung M321RYGA0PB0-CWM 96GB DDR5-5600 2Rx4 RDIMM Server Memory","description":"\u003cp\u003eSamsung M321RYGA0PB0-CWM is a 96GB DDR5 registered DIMM rated at 5600 MT\/s (PC5-44800). It is dual rank with x4 DRAM devices and runs at 1.1V. Samsung's product listing shows the part in mass production.\u003c\/p\u003e\u003cp\u003e96GB modules fill the gap between 64GB and 128GB. Eight of them give 768GB, and a fully populated multi-channel server reaches capacity points that would otherwise need more expensive 128GB DIMMs or a second DIMM per channel. Keeping one DIMM per channel also helps the memory run at its rated speed on platforms that slow down at two DIMMs per channel. That makes the 96GB size popular for virtualization, in-memory analytics and GPU hosts that need a lot of system memory.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck that your platform supports 96GB DIMMs. This capacity uses non-binary DRAM density, which needs BIOS and processor support.\u003c\/li\u003e\n\u003cli\u003eThe module runs at 5600 MT\/s only if the processor supports it; otherwise it runs at the processor's limit.\u003c\/li\u003e\n\u003cli\u003eMatch the 2Rx4 organization with installed memory and do not mix DIMM types.\u003c\/li\u003e\n\u003cli\u003eSamsung ships several label suffixes after -CWM; confirm which one your quote covers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe have not found a manufacturer or OEM source that lists specific supported servers, so none are published here. If your server needs OEM-branded memory for support, ask us about the matching OEM part. ICT Devices can quote single modules or full sets; send us your server model.\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":57995316822199,"sku":"M321RYGA0PB0-CWM","price":4136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/samsung-m321ryga0pb0-cwm-96gb-ddr5-5600-rdimm.png?v=1793865294"},{"product_id":"micron-mtc20f2085s1rc48ba1-32gb-ddr5-4800-rdimm","title":"Micron MTC20F2085S1RC48BA1 32GB DDR5-4800 2Rx8 RDIMM Server Memory","description":"\u003cp\u003eMicron MTC20F2085S1RC48BA1 is a 32GB DDR5 registered DIMM rated at 4800 MT\/s (PC5-38400) with CL40 timing. It is dual rank, runs at 1.1V and includes ECC. The MTC20 prefix indicates 20 DRAM packages, which on a dual-rank DDR5 ECC module matches x8 devices (2Rx8).\u003c\/p\u003e\u003cp\u003eDDR5-4800 was the launch speed for the first DDR5 server platforms, such as 4th Gen Xeon Scalable and AMD EPYC 9004, so this module fits the memory profile of many servers built from 2023 onward. Like all DDR5 RDIMMs, it has an on-module power management chip and two independent subchannels per module, and it does not fit DDR4 slots. On a newer processor that supports faster memory, it still runs at 4800 MT\/s.\u003c\/p\u003e\u003cp\u003eBefore ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMatch the x8 organization of the memory already installed. Many server makers do not support mixing x4 and x8 DDR5 modules.\u003c\/li\u003e\n\u003cli\u003eAvoid mixing speeds: when 4800 and 5600 modules share a server, memory generally runs at the slower rate.\u003c\/li\u003e\n\u003cli\u003eAn R-suffixed version (MTC20F2085S1RC48BA1R) is also sold; ask us which label your quote covers.\u003c\/li\u003e\n\u003cli\u003eIf OEM support matters, check whether your server maker requires its own part number.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe have not found a manufacturer or server-OEM source listing specific supported servers, so none are published here. A 32GB module per channel is a common baseline for general-purpose DDR5 servers. ICT Devices can quote single modules or full sets; send us your server model and installed memory.\u003c\/p\u003e","brand":"Micron","offers":[{"title":"Default Title","offer_id":57995318395063,"sku":"MTC20F2085S1RC48BA1","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1354\/7959\/files\/micron-mtc20f2085s1rc48ba1-32gb-ddr5-4800-rdimm.png?v=1793865432"}],"url":"https:\/\/ictdevices.com\/collections\/ddr5-server-memory.oembed","provider":"ICT Devices","version":"1.0","type":"link"}