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867853-B21 — HP 867853B21 memory module 8 GB DDR4 288-pin DIMM

HPE · DIMM
PRODUCT OVERVIEW

867853-B21: HP 867853B21 memory module 8 GB DDR4 288-pin DIMM.

HP 867853B21 memory module 8 GB DDR4 288-pin DIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number867853-B21
ManufacturerHPE
InterfaceDDR4
Capacity8GB
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COMPONENT DIAGRAM
ECC 8GB 2Rx4 PC4 — RDIMM HPE NOTCH ~133.35 mm DDR4 RDIMM | 8GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 867853-B21 MFR HPE 8GB —
KEY FEATURES
•
DDR4 Interface
•
8GB Capacity
•
DDR4 Memory
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
SUBSTITUTES & CROSS-REFERENCES 12
872969-001CompatiblePARTNER
HP 8Gb PC4-2666V-R ECC REG SR x8 CAS-19 DIMM - Intel - G10 Standard
compatible
872836-091CompatiblePARTNER
HP 8Gb PC4-2666V-R ECC REG SR x8 CAS-19 DIMM - Intel - G10 Standard
compatible
1XD84AACompatiblePARTNER
HP 8GB PC4-2666V-R ECC Reg Sr X8 Cas-19 Dimm - Intel - WS
compatible
1XD84ATCompatiblePARTNER
HP 8GB PC4-2666V-R ECC Reg Sr X8 Cas-19 Dimm - Intel - WS
compatible
815097-H21CompatiblePARTNER
HP 8Gb PC4-2666V-R ECC REG SR x8 CAS-19 DIMM - Intel - G10
compatible
815097-K21CompatiblePARTNER
HP 8Gb PC4-2666V-R ECC REG SR x8 CAS-19 DIMM - Intel - G10
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
872836-091SUBSTITUTE
HP 8Gb PC4-2666V-R ECC REG SR x8 CAS-19 DIMM - Intel - G10 Standard
HPE
872969-001SUBSTITUTE
HP 8Gb PC4-2666V-R ECC REG SR x8 CAS-19 DIMM - Intel - G10 Standard
HPE
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FREQUENTLY ASKED QUESTIONS
What is 867853-B21?
867853-B21 is a HP 867853B21 memory module 8 GB DDR4 288-pin DIMM manufactured by HPE.
What parts can replace 867853-B21?
There are 12 known substitutes for 867853-B21: 872969-001, 872836-091, 1XD84AA and 9 more. Substitute compatibility should be verified for your specific system.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.