Samsung M321RBGA0B40-CWK
256GB DDR5-4800 ECC RDIMM
Unknown
Limited verificationCurrent asking prices
Median asking price
$7,499
Observed range
$6,000–$7,980
3 listings· 3 sellers· Updated Aug 24, 2026
Part number reference
M321RBGA0B40-CWK
M321RBGA0B40-CWK is indexed by MarketSignalIndex as a Samsung server memory in the DDR5 RDIMM 256GB · 4800 MT/s market.
Capacity, DDR generation, module type, and speed define the comparable market; rank, chip width, OEM qualification, and server population rules can still affect exact compatibility.
Category
server memory
Lifecycle
Active
Reference type
Specific part
Useful reference links
Other indexed part numbers in this market
These links are reference relationships, not a guarantee of drop-in compatibility.
256GB DDR5 registered ECC memory at 4800 MT/s — maximum-density DDR5 for large-memory server configurations
Observed Seller Pricing
New
Based on 2 samples
$6989.99
Market Avg
Used
Based on 1 samples
$7499.00
Market Avg
Specifications
Certification
Unknown
Capacity
256 GB
DDR generation
DDR5
Module type
RDIMM
Speed
4800 MT/s
ECC
Yes
Lifecycle
Active
OEM lock
No
Data quality
High
Other part numbers in this market
Parts grouped into this market share the core market-class specifications, but exact server/platform compatibility should still be verified.