PartsTable
Technical Data Sheet
805351-B21 ✓ Verified by PartsTable
HP · MEMORY · RDIMM
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 32GB (1X32GB) 288P 2RX4 PC4-19200-2400T RDIMM. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-659-2227, 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 RDIMM 805351-B21
NSN: 7025-01-659-2227
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number805351-B21
ManufacturerHP
Capacity32GB
Speed1920MHz
NSN7025-01-659-2227
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 1920MHz RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 32GB | 1920MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 805351-B21 MFR HP 32GB 1920MHz
KEY FEATURES
32GB Capacity
1920MHz Speed
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)
SPECIAL FEATURESDDR4 SDRAM, DIMM 288-PIN;2400MHZ SPEED, 1.2V MHz
PART NAME ASSIGNED BY CONTROLLING AGENCYHP 32GB 2RX4 PC4-2400T-R KIT GB
SPECIAL FEATURESDDR4 SDRAM, DIMM 288-PIN;2400MHZ SPEED, 1.2V MHz
PART NAME ASSIGNED BY CONTROLLING AGENCYHP 32GB 2RX4 PC4-2400T-R KIT GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
805351-H21Compatible
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
compatible
805351-K21Compatible
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
compatible
805351-X21Compatible
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809083-091Compatible
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809083-091BCompatible
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809083-09SCompatible
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
P00724-001SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
P35845-B21SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
P35853-001SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
T9V41AASUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
T9V41ATSUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805351-H21SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805351-K21SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805351-X21SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-091SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-091BSUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-09SSUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-09XSUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-591SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-EF1SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809083-T91SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
819412-001SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
819412-001BSUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
829806-091SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
843315-B21SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
844950-001SUBSTITUTE
HP 32Gb PC4-2400T-R ECC REG DR x4 CAS-17 DIMM - Intel v4 - G9
HPE
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FREQUENTLY ASKED QUESTIONS
What is 805351-B21?
805351-B21 is a HP 32GB (1X32GB) 288P 2RX4 PC4-19200-2400T RDIMM manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 805351-B21?
There are 12 known substitutes for 805351-B21: 805351-H21, 805351-K21, 805351-X21 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 805351-B21?
805351-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-659-2227. This indicates validated use in U.S. government and defense supply chains.
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