Market page: DDR5 RDIMM 256GB 4800 MT/s Memory

Samsung 256GB DDR5 RDIMM 4800 MT/s ECC

MemorySamsungM321RBGA0B40-CWK
Compatible
Trust: Tier 3

Market Overview

256GB DDR5 registered ECC memory at 4800 MT/s — maximum-density DDR5 for large-memory server configurations

Key Specs

Brand: Samsung
Summary: DDR5 • 256GB • RDIMM • ECC • 4800–4800 MT/s
Part number (MPN): M321RBGA0B40-CWK

Technical Specifications

Brand
Samsung
Manufacturer
Samsung
Part Number
M321RBGA0B40-CWK
Certification
Compatible
OEM Lock
No
DDR Generation
DDR5
Form Factor
RDIMM
Capacity (GB)
256
Speed Min (MT/s)
4800
Speed Max (MT/s)
4800
ECC
ECC

Listings (0)

AI
AI Research Assistant
Ask about market signals and prices
Preview
What's the spread on DDR4 32GB RDIMM right now?
For DDR4 32GB RDIMM, OEM parts are clearing 18–22% above compatible alternatives. 6 active sellers, moderate liquidity. Compatible pricing has been stable for 30 days.
Should I wait or buy now?
Signals point to a stable-to-softening trend for compatible. If your timeline allows 2–4 weeks, holding may improve your position. OEM premiums are holding firm — only worth it if your platform requires validated memory.
Live assistant available to Pro subscribers at launch