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Technical Data Sheet
PartsTable / MEMORY / K2P91B
K2P91B ✓ Verified by PartsTable
— · 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

The MEMORY,PORTABLE,SOLID STATE is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include memory_size: 3.84 TERABYTES, special_features: SOLID STATE DEVICE, end_item_identification: MELAN, part_name_assigned_by_controlling_agency: HPE 3PAR 8000. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7050-01-677-4991, 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→ K2P91B
NSN: 7050-01-677-4991
FSC: 7050
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
memory_size3.84 TERABYTES
special_featuresSOLID STATE DEVICE
end_item_identificationMELAN
part_name_assigned_by_controlling_agencyHPE 3PAR 8000
NSN7050-01-677-4991
COMPONENT DIAGRAM
ECC — 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | — | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN K2P91B MFR OEM — —
KEY FEATURES
•
MEMORY SIZE: 3.84 TERABYTES
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)
MEMORY SIZE3.84 TERABYTES
SPECIAL FEATURESSOLID STATE DEVICE
END ITEM IDENTIFICATIONMELAN
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE 3PAR 8000
MEMORY SIZE3.84 TERABYTES
SPECIAL FEATURESSOLID STATE DEVICE
END ITEM IDENTIFICATIONMELAN
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE 3PAR 8000
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
P08721-001Compatible
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000
compatible
810773-001Compatible
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000
compatible
810870-001Compatible
HP 3.84Tb SAS SFF SSD for M6710 /3PAR StoreServ 8000/9000/20000 - Bare Drive
compatible
834596-001Compatible
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000
compatible
861296-001Compatible
HP 3.84Tb SAS SFF SSD for M6710 /3PAR StoreServ 8000/9000/20000 - Bare Drive
compatible
873101-001Compatible
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
THIS PART SUBSTITUTES FOR 9
879391-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
K2P91ASUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
P08721-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
810773-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
810870-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
834596-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
861296-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
873101-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
873122-001SUBSTITUTE
HP 3.84Tb SAS SFF SSD for 3PAR StoreServ 8000 with All-inclusive Single-system Software
HPE
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FREQUENTLY ASKED QUESTIONS
What is K2P91B?
K2P91B is a MEMORY,PORTABLE,SOLID STATE. It is classified as a MEMORY (RDIMM).
What parts can replace K2P91B?
There are 12 known substitutes for K2P91B: P08721-001, 810773-001, 810870-001 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K2P91B?
K2P91B is cataloged in the Federal Logistics Information System (FLIS) under NSN 7050-01-677-4991. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026