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805349-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 16GB (1X16GB) 1RX4 PC4-19200T-R DDR4-2400MHZ RDIMM

HP 16GB (1X16GB) 1RX4 PC4-19200T-R DDR4-2400MHZ 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 5998-01-661-0389, 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 805349-B21
NSN: 5998-01-661-0389
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number805349-B21
ManufacturerHP
InterfaceDDR4
Capacity16GB
Speed2400MHz
NSN5998-01-661-0389
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2400MHz RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 16GB | 2400MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 805349-B21 MFR HP 16GB 2400MHz
KEY FEATURES
DDR4 Interface
16GB Capacity
2400MHz Speed
DDR4 RDIMM
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 AGENCYHP 16GB (1X16GB) SINGLE RANK X4 DDR4-2400 CAS-17-17-17 REGISTERED MEMORY KIT GB
PART NAME ASSIGNED BY CONTROLLING AGENCYHP 16GB (1X16GB) SINGLE RANK X4 DDR4-2400 CAS-17-17-17 REGISTERED MEMORY KIT GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
819411-001Compatible
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
compatible
805349-K21Compatible
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
compatible
805349-X21Compatible
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809082-091Compatible
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809082-09SCompatible
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809082-591Compatible
HP 16GB PC4-2400T-R ECC Reg Sr X4 Cas-17 Dimm - Intel - WS
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 17
L17370-001SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
T9V40AASUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
T9V40ATSUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805349-K21SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805349-X21SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809082-091SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809082-09SSUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809082-591SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809082-EF1SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
819411-001SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
843313-B21SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
844949-001SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
852264-001SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
852280-001SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
854594-B21SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
855506-091SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
861109-001SUBSTITUTE
HP 16Gb PC4-2400T-R ECC REG SR x4 CAS-17 DIMM - Intel v4 - G9
HPE
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FREQUENTLY ASKED QUESTIONS
What is 805349-B21?
805349-B21 is a HP 16GB (1x16gb) 1Rx4 Pc4-19200t-R DDR4-2400MHZ RDIMM manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 805349-B21?
There are 12 known substitutes for 805349-B21: 819411-001, 805349-K21, 805349-X21 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 805349-B21?
805349-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-661-0389. This indicates validated use in U.S. government and defense supply chains.
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