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571436-003 ✓ Verified by PartsTable
HP · TRANSCEIVER · POWER_CABLE
WHAT YOU NEED TO KNOW
Very common replacement part Capacitors degrade slower than batteries but still lose capacity over time
CABLE LENGTH IS CRITICAL: 660093-001 = 36" (2U+), 654873-003 = 24" (1U)
PRODUCT OVERVIEW

The HP 571436-003 is a Flash-Backed Write Cache capacitor pack, 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 a high-volume replacement part in TPM market as ProLiant Gen8 and Gen9 servers remain widely deployed.

WHERE IT FITS
TRANSCEIVER→ POWER_CABLE→ 571436-003
SPECIFICATIONS
Part Number571436-003
ManufacturerHP
COMPONENT DIAGRAM
CAP 72V + - CAP 72V BRACKET TO CTRL CABLE: 342mm ~76 mm CACHE BACKUP | Supercapacitor | Cable: 342mm Connects to RAID controller | | Controller: See controller spec SCHEMATIC: + - 2S2P SUPERCAP PACK TITLE CACHE BATT PN 571436-003 MFR HP HP Capacitor pack with 342mm cable
KEY FEATURES
•
Flash-Backed Write Cache Capacitor
•
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 1
652752-001Compatible
HP Smart Array FBWC Capacitor Pack with 13in Cable for P410i - 3-Pin Plug
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
652752-001SUBSTITUTE
HP Smart Array FBWC Capacitor Pack with 13in Cable for P410i - 3-Pin Plug
HPE
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FREQUENTLY ASKED QUESTIONS
What is 571436-003?
571436-003 is a HP Capacitor pack with 342mm cable manufactured by HP. It is classified as a TRANSCEIVER (POWER_CABLE).
What parts can replace 571436-003?
There is 1 known substitute for 571436-003: 652752-001. Substitute compatibility should be verified for your specific system.
Is 571436-003 still available?
571436-003 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026