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Catalog/SK hynix/DDR5 RDIMM/HMCG94AGBRA628N
SK hynix · Server memory

HMCG94AGBRA628N

Verified

64 GB DDR5-5600 ECC Registered DIMM (RDIMM), dual-rank ×4.

independent sources How we verify →
Specifications JEDEC / manufacturer data
Memory typeDDR54 sources
Module typeRDIMM · ECC Registered DIMM4 sources
Capacity64 GB4 sources
SpeedDDR5-5600 · PC5-448004 sources
Organization / rank2Rx44 sources
CAS latency463 sources
Voltage1.1 VJEDEC standard for DDR5
Form factor288-pin DIMMstandard for DDR5 RDIMM
Fits these servers 12 of 65 platforms
Spec match covers every DDR5 RDIMM platform we track, so the spec-match rows above are a sample across vendors: 53 further platforms also match this module on spec. A server missing from this table is not a compatibility limit. Browse all servers →
Confirmed = listed in the vendor's memory documentation for that server. Vendor match = the vendor's own part cross-reference matches this module and its speed is validated for the platform; the module is not taken from that server's memory list. Spec match = this module meets the platform's JEDEC requirements (generation, form factor, validated speed); interchangeability is spec-based, not per-server testing. Confirm against your server's qualified parts list before ordering.
Compatible alternatives any brand · same JEDEC specification
ManufacturerPart numberSpec
Kingston9965788-052.A00G64 GB · DDR5-5600 · RDIMM · 2Rx4
KingstonKSM56R46BD4-64HA64 GB · DDR5-5600 · RDIMM · 2Rx4
KingstonKSM56R46BD4-64MD64 GB · DDR5-5600 · RDIMM · 2Rx4
KingstonKSM56R46BD4PMI-64HAI64 GB · DDR5-5600 · RDIMM · 2Rx4
MicronMTC40F2046S1RC56BR64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM321R8GA0EB0-CWM64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM321R8GA0EB0-CWMKH64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM321R8GA0EB2-CWM64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM321R8GA0PB0-CWM64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM321R8GA0PB0-CWMCJ64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM321R8GA0PB0-CWMXJ64 GB · DDR5-5600 · RDIMM · 2Rx4
SamsungM329R8GA0PB0-CWM64 GB · DDR5-5600 · RDIMM · 2Rx4
SK hynixHMCG94AGBRA64 GB · DDR5-5600 · RDIMM · 2Rx4
Modules match on all key specifications (type, form factor, capacity, speed, rank organization) and are generally interchangeable in servers that accept this spec. Interchangeability is based on matching JEDEC specifications, not per-server testing. Confirm against your server vendor's qualified parts list. View the full family →
Frequently asked
Can I use a Kingston or Micron module instead?
In most servers, yes: 9965788-052.A00G (Kingston), KSM56R46BD4-64HA (Kingston), KSM56R46BD4-64MD (Kingston) match this module on every key specification (64 GB, DDR5-5600, RDIMM, 2Rx4). Keep vendors consistent within a memory bank, and check your server's qualified parts list for edge cases.