Samsung 256GB DDR5 3DS ECC RDIMM 
Model: Samsung M321RBGA0B40-CWK
Item Specification
Brand Samsung
Part Number (P/N) M321RBGA0B40-CWK
Capacity 256GB
Memory Type DDR5 SDRAM
Module Type ECC Registered DIMM (RDIMM)
3DS Technology 3DS DRAM / TSV
Data Rate DDR5-4800
Transfer Rate 4800 MT/s
Module Organization 8Rx4
DRAM Organization x4
Bus Width 72-bit (64-bit + 8-bit ECC)
ECC Yes
Voltage 1.1V
Form Factor 288-Pin DIMM
Registered Yes
Rank 8-Rank
Application AI Servers / Data Centers / HPC / Enterprise Servers
CPU Platform Intel Xeon / AMD EPYC, platform-dependent