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Technical Data Sheet

D8550A — Battery backup module kit - Includes battery module, 15-pin (F) to 15-pin (F) 9.5cm (3.8-inch) cable, 15-pin (F) to 15-pin (F) 40cm (15.5-inch) cable, and insta

✓ Government record, cited

HPE · IT_GENERAL · SUPPORT_EQUIPMENT

PRODUCT OVERVIEW

D8550A: Battery backup module kit - Includes battery module, 15-pin (F) to 15-pin (F) 9.5cm (3.8-inch) cable, 15-pin (F) to 15-pin (F) 40cm (15.5-inch) cable, and installation guide.

The HP D8550A 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.

This part is cataloged in the U.S. Government catalog under NSN 7035-01-490-3360, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS

IT_GENERAL→ SUPPORT_EQUIPMENT→ D8550A

NSN: 7035-01-490-3360
FSC: 7035 — Information Technology Support Equipment
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)

SPECIFICATIONS

SPECIAL FEATURES	OPTIONAL BATTERY BACKUP FOR THE INTEGRATED DISK ARRAY CONTROLLER FOR LH4000, LH6000 AND LT6000R
NSN	7035-01-490-3360

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COMPONENT DIAGRAM

KEY FEATURES

•

Battery-Backed Write Cache Module

•

Rechargeable Battery Technology

Provides cache backup power for 48+ hours after power loss

•

Hot-Plug Capable

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

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES

OPTIONAL BATTERY BACKUP FOR THE INTEGRATED DISK ARRAY CONTROLLER FOR LH4000, LH6000 AND LT6000R

OTHER ITEMS IN FSC 7035 — Information Technology Support Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

7035-00-001-2646 7035-00-001-2647 7035-00-001-2648 7035-00-001-2649 7035-00-001-2664 7035-00-001-4080 7035-00-001-4081 7035-00-001-4087

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D8550A?

D8550A is a Battery backup module kit - Includes battery module, 15-pin (F) to 15-pin (F) 9.5cm (3.8-inch) cable, 15-pin (F) to 15-pin (F) 40cm (15.5-inch) cable, and installation guide manufactured by HPE. It is classified as a IT_GENERAL (SUPPORT_EQUIPMENT).

What is the NSN for D8550A?

D8550A is cataloged in the U.S. Government catalog under NSN 7035-01-490-3360. This indicates validated use in U.S. government and defense supply chains.

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