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Technical Data Sheet
PartsTable / MRO / 578882-001
578882-001 ✓ Verified by PartsTable
HP · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2Rx4 = Dual Rank ×4 chip width (standard server) RDIMM = Registered (servers) | LRDIMM = Load-Reduced (max density)
DDR3 ≠ DDR4 ≠ DDR5 — physically incompatible (notch position)
PRODUCT OVERVIEW

HP 512MB Flash Backed Write Cache. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-596-4735, 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
MRO→ MRO_GENERAL→ 578882-001
NSN: 5895-01-596-4735
FSC: 5895
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number578882-001
ManufacturerHP
Capacity512MB
NSN5895-01-596-4735
COMPONENT DIAGRAM
ECC 512MB 2Rx4 PC4 — RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 512MB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 578882-001 MFR HP 512MB —
KEY FEATURES
•
512MB Capacity
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYFLASH BACKED WRITE CACHE (FBWC) MODULE
SPECIAL FEATURES512 MB MB
END ITEM IDENTIFICATIONCOMPUTER N483879-B21
SPECIAL FEATURES512 MB MB
PART NAME ASSIGNED BY CONTROLLING AGENCYFLASH BACKED WRITE CACHE (FBWC) MODULE
END ITEM IDENTIFICATIONCOMPUTER N483879-B21
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
578230-B21Interchangeable
Same NIIN cross-reference
interchangeable
570502-002Compatible
HP Smart Array FBWC 512Mb Module for P410 P411
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
570502-002SUBSTITUTE
HP Smart Array FBWC 512Mb Module for P410 P411
HPE
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FREQUENTLY ASKED QUESTIONS
What is 578882-001?
578882-001 is a HP 512MB Flash Backed Write Cache manufactured by HP. It is classified as a MRO (MRO_GENERAL).
What parts can replace 578882-001?
There are 2 known substitutes for 578882-001: 578230-B21, 570502-002. Substitute compatibility should be verified for your specific system.
What is the NSN for 578882-001?
578882-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-596-4735. 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