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505908-001 ✓ Verified by PartsTable
HP · CONTROLLER · RAID_CACHE
WHAT YOU NEED TO KNOW
RAID cache modules — check if the battery is included and verify cache size. Ship unlocked and with test reports. Firmware must match the server. Key checks: Ship with test reports. Ship UNLOCKED.
Firmware must match server
PRODUCT OVERVIEW
HP 1GB CACHE FOR P410I

The HP 505908-001 is a Battery-Backed Write Cache pack, designed for HPE Smart Array controllers in ProLiant Gen8 and Gen9 servers. It provides backup power to the BBWC module during unexpected power loss, ensuring cached write data is safely committed to flash memory. This is a high-volume replacement part in TPM market as ProLiant Gen8 and Gen9 servers remain widely deployed.

WHERE IT FITS
CONTROLLER→ RAID_CACHE→ 505908-001
SPECIFICATIONS
Part Number505908-001
ManufacturerHP
Capacity1GB
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 505908-001 MFR HP HP 1GB Cache for P410i
KEY FEATURES
•
Battery-Backed Write Cache Module
•
Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
•
Hot-Plug Capable
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
570501-002Compatible
HP Smart Array FBWC 1Gb Module for P410 P411 P711m P812m
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
570501-002SUBSTITUTE
HP Smart Array FBWC 1Gb Module for P410 P411 P711m P812m
HPE
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FREQUENTLY ASKED QUESTIONS
What is 505908-001?
505908-001 is a HP 1GB Cache for P410i manufactured by HP. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 505908-001?
There is 1 known substitute for 505908-001: 570501-002. Substitute compatibility should be verified for your specific system.
Is 505908-001 still available?
505908-001 is currently Unknown.
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Last verified: July 2026