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Technical Data Sheet
PartsTable / MEMORY / 805671-B21
805671-B21 ✓ Verified by PartsTable
HP · MEMORY · UDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW
HP 16GB (1x16GB) 2RX8 PC4-17000P-E DDR4-2133MHZ UDIMM

HP 16GB (1x16GB) 2RX8 PC4-17000P-E DDR4-2133MHZ UDIMM. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-664-7405, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ UDIMM→ 805671-B21
NSN: 5962-01-664-7405
FSC: 5962
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number805671-B21
ManufacturerHP
InterfaceDDR4
Capacity16GB
Speed2133MHz
NSN5962-01-664-7405
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2133MHz UDIMM HP NOTCH ~133.35 mm DDR4 UDIMM | 16GB | 2133MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 UDIMM PN 805671-B21 MFR HP 16GB 2133MHz
KEY FEATURES
•
DDR4 Interface
•
16GB Capacity
•
2133MHz Speed
•
DDR4 UDIMM
•
MEMORY DEVICE TYPE: RAM
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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE RAM MODULE
SPECIAL FEATURES16GB MEMORY SIZE, DDR4 SDRAM, 2133 MHZ MEMORY SPEED, 288-PINS GB
MEMORY DEVICE TYPERAM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
819801-001Compatible
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
compatible
797259-091Compatible
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
797259-091SUBSTITUTE
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
HPE
819801-001SUBSTITUTE
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
HPE
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FREQUENTLY ASKED QUESTIONS
What is 805671-B21?
805671-B21 is a HP 16GB (1x16gb) 2Rx8 Pc4-17000p-E DDR4-2133MHZ UDIMM manufactured by HP. It is classified as a MEMORY (UDIMM).
What parts can replace 805671-B21?
There are 2 known substitutes for 805671-B21: 819801-001, 797259-091. Substitute compatibility should be verified for your specific system.
What is the NSN for 805671-B21?
805671-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-664-7405. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026