Interchangeable family

32 GB DDR4-2400 ECC LRDIMM (4Rx4)

Two manufacturers make modules at this exact specification. They match on every key parameter and are generally interchangeable: a buyer who needs "32 GB DDR4-2400 LRDIMM" can usually accept any of them.

Modules in this family

Manufacturer	Part number	CAS	OEM refs	Data
Samsung	M386A4G40DM1-CRC	17	Cisco	✓ verified
Samsung	M386A4G40EM2-CRC	17	—	✓ verified
SK hynix	HMA84GL7AMR4N-UH	17	Cisco · Supermicro	✓ verified

Interchangeability is based on matching JEDEC specifications (type, form factor, capacity, speed, rank organization). Individual servers may qualify only specific vendors. Confirm against your server's qualified parts list before mixing.

Practical rule: servers accept these modules interchangeably in almost all cases. Keep one vendor within a memory bank and match existing modules when expanding, rather than mixing brands side by side.

One request covers the whole family

Post a request for this spec and VAT-verified suppliers quote whichever brand they actually stock: Samsung or SK hynix. You choose from real offers.

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