Market page: DDR4 RDIMM 16GB 2933 MT/s Memory →

HPE SmartMemory 16GB DDR4 RDIMM

Memory • HPE • P00921-B21
OEM
Trust: Tier 1

OEM Reference Overview

P00921-B21 is an OEM reference part for DDR4 RDIMM 16GB 2933 MT/s Memory. This part is typically not sold directly on the open market.

Vendors and procurement teams use this part number to specify required specifications, which are fulfilled by compatible third-party or original manufacturer modules.

This reference maps to the market category DDR4 RDIMM 16GB 2933 MT/s Memory

Use the compatible parts below to evaluate availability, risk, and pricing.

Technical Specifications

Brand
HPE
Manufacturer
Samsung
Part Number
P00921-B21
Certification
OEM
OEM Lock
Yes
DDR Generation
DDR4
Form Factor
RDIMM
Capacity (GB)
16
Speed Min (MT/s)
2933
Speed Max (MT/s)
2933
ECC
ECC

Compatible Buyable SKU Families

P00921-B21 is an OEM reference part number. The following manufacturer part families meet the required specifications and are commonly used as replacements.

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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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