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654873002 — HP Capacitor Pack with 610mm (24 inches) long cable

HP · TRANSCEIVER · POWER_CABLE
PRODUCT OVERVIEW

654873002: HP Capacitor Pack with 610mm (24 inches) long cable.

The HP 654873002 is a Flash-Backed Write Cache capacitor pack with a 610mm (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
TRANSCEIVER→ POWER_CABLE→ 654873002
SPECIFICATIONS
Part Number654873002
ManufacturerHP
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COMPONENT DIAGRAM
CAP 72V + - CAP 72V BRACKET TO CTRL CABLE: 610mm ~76 mm CACHE BACKUP | Supercapacitor | Cable: 610mm Connects to RAID controller | | Controller: See controller spec SCHEMATIC: + - 2S2P SUPERCAP PACK TITLE CACHE BATT PN 654873002 MFR HP HP Capacitor Pack with 610mm (24 inches)
KEY FEATURES
•
Flash-Backed Write Cache Capacitor
•
610mm (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
SUBSTITUTES & CROSS-REFERENCES 4
631683B21SubstituteBROKER-VERIFIED
HP Capacitor Pack with 610mm (24 inches) long cable
substitute
660092001SubstituteBROKER-VERIFIED
HP Capacitor Pack with 610mm (24 inches) long cable
substitute
668944-B21CompatiblePARTNER
HP Smart Array FBWC Super Capacitor Pack with 24in Cable
compatible
686065-001CompatiblePARTNER
HP Smart Array FBWC Super Capacitor Pack with 24in Cable
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
660092-001SUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 24in Cable 6-Pin Plug
HPE
668944-B21SUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 24in Cable 6-Pin Plug
HPE
686065-001SUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 24in Cable 6-Pin Plug
HPE
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FREQUENTLY ASKED QUESTIONS
What is 654873002?
654873002 is a HP Capacitor Pack with 610mm (24 inches) long cable manufactured by HP. It is classified as a TRANSCEIVER (POWER_CABLE).
What parts can replace 654873002?
There are 4 known substitutes for 654873002: 631683B21, 660092001, 668944-B21 and 1 more. Substitute compatibility should be verified for your specific system.
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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.