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Catalog/SK hynix/DDR4 RDIMM/HMA84GR7AFR4N-UH
SK hynix · Server memory

HMA84GR7AFR4N-UH

Verified

32 GB DDR4-2400 ECC Registered DIMM (RDIMM), dual-rank ×4. Sold by Dell and Lenovo under their own part numbers, all cross-referenced below.

independent sources How we verify →
Specifications JEDEC / manufacturer data
Memory typeDDR45 sources
Module typeRDIMM · ECC Registered DIMM5 sources
Capacity32 GB5 sources
SpeedDDR4-2400 · PC4-192004 sources
Organization / rank2Rx44 sources
CAS latency174 sources
Voltage1.2 VJEDEC standard for DDR4
Form factor288-pin DIMMstandard for DDR4 RDIMM
OEM part numbers same module, OEM-branded
VendorOEM part numberVerification
DellSNPCPC7GC/32Gcatalog
Lenovo00PH639✓ verified
Lenovo01KN340✓ verified
OEM cross-references are compiled from distributor cross-reference data and OEM documentation. Verify against your vendor's parts list before ordering.
Fits these servers 38 of 111 platforms
Spec match covers every DDR4 RDIMM platform we track, so the spec-match rows above are a sample across vendors: 73 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
Kingston9965640-006.A01G32 GB · DDR4-2400 · RDIMM · 2Rx4
Kingston9965640-008.A01G32 GB · DDR4-2400 · RDIMM · 2Rx4
Kingston9995640-011.A00G32 GB · DDR4-2400 · RDIMM · 2Rx4
KingstonKSM24RD4/32HDI32 GB · DDR4-2400 · RDIMM · 2Rx4
KingstonKSM24RD4/32MAI32 GB · DDR4-2400 · RDIMM · 2Rx4
KingstonKSM24RD4/32MEI32 GB · DDR4-2400 · RDIMM · 2Rx4
MicronMTA36ASF4G72PZ-2G3B1MK32 GB · DDR4-2400 · RDIMM · 2Rx4
SamsungM393A4K40BB1-CRC32 GB · DDR4-2400 · RDIMM · 2Rx4
SamsungM393A4K40BB1-CRC0Q32 GB · DDR4-2400 · RDIMM · 2Rx4
SamsungM393A4K40BB1-CRC4Q32 GB · DDR4-2400 · RDIMM · 2Rx4
SamsungM393A4K40CB1-CRC32 GB · DDR4-2400 · RDIMM · 2Rx4
SK hynixHMA84GR7MFR4N-UH32 GB · DDR4-2400 · 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
Is Dell SNPCPC7GC/32G the same module as HMA84GR7AFR4N-UH?
Yes. Dell resells this SK hynix module under part number SNPCPC7GC/32G; Lenovo does the same as 00PH639, Lenovo does the same as 01KN340. The physical module is identical: OEM part numbers are branding, not different hardware.
Can I use a Kingston or Micron module instead?
In most servers, yes: 9965640-006.A01G (Kingston), 9965640-008.A01G (Kingston), 9995640-011.A00G (Kingston) match this module on every key specification (32 GB, DDR4-2400, RDIMM, 2Rx4). Keep vendors consistent within a memory bank, and check your server's qualified parts list for edge cases.
What servers take HMA84GR7AFR4N-UH?
Dell PowerEdge C6420, Dell PowerEdge FC640, Dell PowerEdge M640, Dell PowerEdge MX740c, among others, match it through the vendor's own part cross-reference (e.g. Dell SNPCPC7GC/32G) with a validated speed. Other DDR4 RDIMM platforms generally accept it too; verify against the server's qualified parts list.