660091-001 — Flash-backed write cache (FBWC) capacitor cable pack - Includes 30cm (12in) long cable
HPE · TRANSCEIVER · POWER_CABLE
PRODUCT OVERVIEW
660091-001: Flash-backed write cache (FBWC) capacitor cable pack - Includes 30cm (12in) long cable.
The HP 660091-001 is a Flash-Backed Write Cache capacitor pack with a 12-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 (12") 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→660091-001
SPECIFICATIONS
Part Number
660091-001
Option PN
654873-003
Manufacturer
Hewlett Packard Enterprise
Type
FBWC Capacitor Pack
Cable Length
609mm (24 inches)
Connector
8-pin proprietary
Technology
Supercapacitor (EDLC)
Voltage
3.7V nominal
Hold Time
>60 seconds
Operating Temp
0–55°C
Dimensions
95 × 40 × 22mm
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COMPATIBLE SYSTEMS & CONTROLLERS 3
DL360COMPATIBLE
Gen8/9
DL160COMPATIBLE
Gen8/9
DL320eCOMPATIBLE
Gen8
FREQUENTLY ASKED QUESTIONS
What is 660091-001?
660091-001 is a Flash-backed write cache (FBWC) capacitor cable pack - Includes 30cm (12in) long cable manufactured by HPE. It is classified as a TRANSCEIVER (POWER_CABLE).
What systems is 660091-001 compatible with?
660091-001 is compatible with DL360 Gen8/9, DL160 Gen8/9, DL320e Gen8. Always verify compatibility with your specific configuration before ordering.
What parts can replace 660091-001?
There are 3 known substitutes for 660091-001: 660093-001, 668943B21, 654873001. Substitute compatibility should be verified for your specific system.
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