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587324-001 ✓ Verified by PartsTable
HP · BATTERY · SUPERCAP
WHAT YOU NEED TO KNOW
Supercapacitors have long duration but they wear out. We recommend buying new when possible, though refurbished can work. Always check the date code. Key checks: Recommend NEW.
Long duration but wear out
PRODUCT OVERVIEW

The HP 587324-001 is a Flash-Backed Write Cache capacitor pack with a 24-inch cable, designed for HPE Smart Array controllers in ProLiant Gen8 and Gen9 servers. It provides backup power to the FBWC module during unexpected power loss, ensuring cached write data is safely committed to flash memory. Unlike traditional batteries, the supercapacitor design offers a longer operational lifespan with no scheduled replacement cycles and no temperature-related degradation.

This is the short-cable variant (24") designed for 1U chassis configurations. The long-cable variant for 2U+ chassis is 660093-001 (36"). This is a high-volume replacement part in TPM market as ProLiant Gen8 and Gen9 servers remain widely deployed.

WHERE IT FITS
BATTERY→ SUPERCAP→ 587324-001
SPECIFICATIONS
Part Number587324-001
ManufacturerHP
COMPONENT DIAGRAM
CAP 72V + - CAP 72V BRACKET TO CTRL CABLE: — ~76 mm CACHE BACKUP | Supercapacitor | Cable: — Connects to RAID controller | | Controller: See controller spec SCHEMATIC: + - 2S2P SUPERCAP PACK TITLE CACHE BATT PN 587324-001 MFR HP HP Flash Backed Write Cache (FBWC) capac
KEY FEATURES
•
Flash-Backed Write Cache Capacitor
•
24" Cable Length
Compact cable for 1U chassis installations
•
Supercapacitor Technology
Longer lifespan than traditional batteries — no scheduled replacement cycles
•
Hot-Plug Capable
•
No Maintenance Required
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
571763-B21Compatible
HP Smart Array FBWC Capacitor Pack with 24in Cable for P410 P411 - 3-Pin Plug
compatible
571436-002Compatible
HP Smart Array FBWC Capacitor Pack with 24in Cable for P410 P411 - 3-Pin Plug
compatible
AM252ACompatible
HP Smart Array FBWC Capacitor Pack with 24in Cable for rx2800 i2/i4
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveDG Class 9 — LithiumRestricted Air Freight
THIS PART SUBSTITUTES FOR 3
AM252ASUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 24in Cable for P410 P411 - 3-Pin Plug
HPE
571436-002SUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 24in Cable for P410 P411 - 3-Pin Plug
HPE
571763-B21SUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 24in Cable for P410 P411 - 3-Pin Plug
HPE
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FREQUENTLY ASKED QUESTIONS
What is 587324-001?
587324-001 is a HP Flash Backed Write Cache (FBWC) capacitor pack (24IN CBL) manufactured by HP. It is classified as a BATTERY (SUPERCAP).
What parts can replace 587324-001?
There are 3 known substitutes for 587324-001: 571763-B21, 571436-002, AM252A. Substitute compatibility should be verified for your specific system.
Is 587324-001 still available?
587324-001 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026