HPE P00922-B21 — 16GB DDR4-2933 RDIMM (2Rx8, ECC, SmartMemory) for ProLiant Gen10

What it is: A genuine HPE SmartMemory kit: 1×16GB DDR4-2933 Registered DIMM (RDIMM), Dual Rank x8, ECC, CL21 at 1.2V. Qualified by HPE for ProLiant Gen10 platforms to deliver stable performance and firmware compatibility.

Why buyers pick P00922-B21 (plain English)

• Server-grade reliability: ECC RDIMM with HPE SmartMemory screening and digitally signed firmware support.

• Right speed for Gen10: up to 2933 MT/s (runs at the lowest supported speed based on your CPU and population).

• Drop-in simplicity: standard 288-pin RDIMM—no guesswork on SPD, ranks, or voltage.

60-second spec box

Capacity / type

• 16GB DDR4 RDIMM, ECC, Registered, 2Rx8

Speed & timings

• DDR4-2933 (PC4-23400/23466) • CL21-21-21

• Actual operating speed depends on CPU + DIMM population

Voltage

• 1.2 V

Form factor

• 288-pin server DIMM (RDIMM)

Compatibility

• HPE ProLiant Gen10 servers that support DDR4 RDIMM (check your model’s QuickSpecs for slot rules and max capacities)

Typical use cases

• General virtualization, app servers, small DBs, and memory-density bumps without moving to larger capacities

Warranty

• Covered under HPE SmartMemory/ProLiant warranty terms (see your server’s support plan)

No-regret deployment tips

• Don’t mix RDIMM and LRDIMM in the same system.

• Balance channels (A/B/C… symmetrically) for bandwidth.

• Expect downclocking when mixing different speeds/capacities—platform runs at the slowest common denominator.

TL;DR

P00922-B21 = 1×16GB DDR4-2933 ECC RDIMM (2Rx8, CL21, 1.2V)—the safe, HPE-qualified SmartMemory choice for ProLiant Gen10 when you want dependable performance and plug-and-play compatibility.