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Catalog/Samsung/DDR5 RDIMM/M321R4GA3PB2-CCP
Samsung · Server memory

M321R4GA3PB2-CCP

Verified

32 GB DDR5-6400 ECC Registered DIMM (RDIMM), dual-rank ×8.

independent sources How we verify →
Specifications JEDEC / manufacturer data
Memory typeDDR5datasheet + 4 more
Module typeRDIMM · ECC Registered DIMMdatasheet + 3 more
Capacity32 GB4 sources
SpeedDDR5-6400 · PC5-512004 sources
Organization / rank2Rx85 sources
CAS latency52datasheet + 5 more
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
KingstonKSM64R52BD8-32HA32 GB · DDR5-6400 · RDIMM · 2Rx8
KingstonKSM64R52BD8-32MD32 GB · DDR5-6400 · RDIMM · 2Rx8
MicronMTC20F2085S1RC64BD232 GB · DDR5-6400 · RDIMM · 2Rx8
MicronMTC20F2085S1RC64BH132 GB · DDR5-6400 · RDIMM · 2Rx8
MicronMTC20F2085S1RC64BR32 GB · DDR5-6400 · RDIMM · 2Rx8
SamsungM321R4GA3EB2-CCP32 GB · DDR5-6400 · RDIMM · 2Rx8
SK hynixHMCG88AHBRA32 GB · DDR5-6400 · RDIMM · 2Rx8
SK hynixHMCG88AHBRA478N32 GB · DDR5-6400 · RDIMM · 2Rx8
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: KSM64R52BD8-32HA (Kingston), KSM64R52BD8-32MD (Kingston), MTC20F2085S1RC64BD2 (Micron) match this module on every key specification (32 GB, DDR5-6400, RDIMM, 2Rx8). Keep vendors consistent within a memory bank, and check your server's qualified parts list for edge cases.