Samsung 128GB DDR5 3DS RDIMM 
Item Specification
Brand Samsung
Part Number (P/N) M321RAGA0B20-CWK
Capacity 128GB
Memory Type DDR5 SDRAM
Module Type ECC Registered DIMM (RDIMM)
3DS Technology 2H 3DS / TSV
Data Rate DDR5-4800
Transfer Rate 4800 MT/s
Module Organization 4Rx4
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 4-Rank
3DS Configuration 2H
Memory Bandwidth 38.4 GB/s per module
Application AI Servers / Data Centers / HPC / Enterprise Servers
CPU Platform Intel Xeon / AMD EPYC, platform-dependent