GIGABYTE High-Density Server Memory: H-Series & B-Series Blades

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Memory upgrades for GIGABYTE H-series multi-node servers and B-series blade systems. Memory is listed per node: every node has its own slots and needs its own set of modules. Each listing covers one GIGABYTE system or board, using the memory type, speed and module sizes GIGABYTE specifies for it. To find yours, type the GIGABYTE model number into the search bar at the top of the page, for example H273-Z80-AAW1, H374-A81-LAW1, H263-S66-AAW1 or B343-C40-AAJ3. The full model number, including the suffix (such as -AAJ1 or -AAV1), is on the system label and in your order paperwork. Suffix versions of the same system take the same memory, and the search finds them all.

Memory by platform

Intel Xeon 6 (6900 / 6900E+)

DDR5-6400 ECC RDIMM. Examples: B684-A80-AAS1, H174-A80-LAS1, H274-A81-LAZ1, H374-A80-AAW1, H374-A81-LAW1.

Intel Xeon 6 (6700 / 6500)

DDR5-6400 ECC RDIMM. Examples: H274-S60-LAW1, H274-S61-IAW1.

AMD EPYC 9005 / 9004

DDR5-6400 ECC RDIMM. Examples: B683-Z80-AAS1, H173-Z80-IAS1, H223-Z10-AAP1, H233-Z80-AAW1, H253-Z10-AAP1, H253-Z10-LAP1, H273-Z80-AAN1, H273-Z80-AAW1, H273-Z80-LAW1, H273-Z81-AAW1, and more.

AMD EPYC 9006 (SP7)

DDR5-6400 ECC RDIMM. Examples: B685-D80-LS1.

5th / 4th Gen Intel Xeon Scalable

DDR5-5600 ECC RDIMM and DDR5-6400 ECC RDIMM. Examples: H263-S62-AAN1, H263-S63-AAW1, H263-S64-AAW1, H263-S66-AAW1, H263-S67-AAW1.

AMD EPYC 4005 / 4004 and Ryzen

DDR5-5600 ECC UDIMM and DDR5-5600 non-ECC UDIMM. Examples: B343-C40-AAJ3, B353-C60-AAS2.

Intel Xeon 6300 / E-2400

DDR5-5600 ECC UDIMM. Examples: B343-X40-AAS1.

Memory rules for GIGABYTE servers

Match the generation: DDR5 platforms take only DDR5 and DDR4 platforms take only DDR4. The modules are keyed differently and will not seat.
Registered or unbuffered, never both: Xeon, EPYC 9000/8000/7000 and Ampere platforms take registered memory (RDIMM, or LRDIMM where listed); EPYC 4004/4005, Ryzen, Xeon 6300/E-2400 and Core platforms take unbuffered UDIMMs.
MRDIMMs (multiplexed-rank modules on Xeon 6 and EPYC 9006 platforms) are a separate module type. NEMIX RAM listings on those platforms are standard RDIMMs.
Use one module size and type per system, and populate every memory channel evenly on each processor for full bandwidth.
Each listing states the speed GIGABYTE rates for that platform; faster modules run at the speed the platform supports.

Buying GIGABYTE server memory direct from NEMIX RAM

NEMIX RAM is a US-based server memory specialist, in business since 1993. Every module is researched, matched, and compatibility-tested by NEMIX RAM, is JEDEC-compliant, and is backed by a lifetime warranty. Purchase orders, net terms and volume pricing are available for data centers, AI and HPC sites, universities, government buyers, system integrators and resellers. Request a quote for every node in a chassis or cluster, or send us your GIGABYTE model number and we will confirm the right module before you order.

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