256GB DDR5 RDIMM — 4800 MT/s

OEM vs compatible signals. 2 SKUs tracked — secondary market observations.

Data as of 2026-04-17

▶What do these badges mean?
High liquidity50+ observed listings in the last 30 days. Strong price signal.
Medium liquidity10–49 listings. Reasonable basis for benchmarking.
Directional onlyFewer than 5 listings. Treat as directional only — not a pricing benchmark.
Low liquidity5–9 listings. Price signal is weaker — use directionally.
EmergingNewly tracked class. Data still accumulating.
Coming soonPlanned for coverage. No pricing data yet.

Compatible / Original (2)

HPE P43337-B21
Compatible
0 obs.→
Samsung M321RBGA0B40-CWK
Compatible
0 obs.→
Full market signals — OEM premium trend, trust indicators, observed clearing ranges
View full 256GB DDR5 RDIMM signals →

Other 256GB speeds

5600 MT/s →6400 MT/s →

Other DDR5 RDIMM capacities

32GB →48GB →64GB →96GB →128GB →

Related categories

Server CPUs →Enterprise HDDs →
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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.
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