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809085091 — Memory Specs & Substitutes

HP · MEMORY · LRDIMM
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: Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW
HP 64GB (1x64GB) 4RX4 PC4-19200T-L DDR4-2400MHZ LRDIMM

HP 64GB (1x64GB) 4RX4 PC4-19200T-L DDR4-2400MHZ LRDIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ LRDIMM→ 809085091
SPECIFICATIONS
Part Number809085091
ManufacturerHP
InterfaceDDR4
Capacity64GB
Speed2400MHz
BROWSE HPE MACHINES
ProLiant DL360 Gen10 ProLiant DL380 Gen10 ProLiant BL460c Gen10 ProLiant DL380 Gen9 ProLiant DL360 Gen9 3PAR StoreServ 8450 ProLiant BL685c G7 3PAR StoreServ 8400 3PAR StoreServ 8440 3PAR StoreServ 8200 MSA 2052 SAN Storage ProLiant BL460c Gen9
All HPE machines and parts
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 2400MHz LRDIMM HP NOTCH ~133.35 mm DDR4 LRDIMM | 64GB | 2400MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 LRDIMM PN 809085091 MFR HP 64GB 2400MHz
KEY FEATURES
•
DDR4 Interface
•
64GB Capacity
•
2400MHz Speed
•
DDR4 LRDIMM
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
805358B21SubstituteBROKER-VERIFIED
HPE 64GB (1x64GB) Quad Rank x4 DDR4-2400 CAS-17-17-17 Load R
substitute
819413001SubstituteBROKER-VERIFIED
HPE 64GB (1x64GB) Quad Rank x4 DDR4-2400 CAS-17-17-17 Load R
substitute
805358-H21CompatiblePARTNER
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
compatible
805358-K21CompatiblePARTNER
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
compatible
805358-X21CompatiblePARTNER
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
compatible
809085-091UCompatiblePARTNER
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 18
L09277-001SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
L09287-850SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
T9V42AASUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805358-B21SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805358-H21SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805358-K21SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
805358-X21SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809085-091USUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809085-09HSUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809085-09SSUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809085-391SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
809085-591SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
819413-001SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
852266-001SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
859939-091SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
859992-B21SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
867286-001SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
874270-001SUBSTITUTE
HP 64Gb PC4-2400T-L Load Reduced QR x4 CAS-17 DIMM - Intel v4 - G9
HPE
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FREQUENTLY ASKED QUESTIONS
What is 809085091?
809085091 is a HP 64GB (1x64gb) 4Rx4 Pc4-19200t-L DDR4-2400MHZ LRDIMM manufactured by HP. It is classified as a MEMORY (LRDIMM).
What parts can replace 809085091?
There are 12 known substitutes for 809085091: 805358B21, 819413001, 805358-H21 and 9 more. Substitute compatibility should be verified for your specific system.
Is 809085091 still available?
809085091 is currently Unknown.
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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.