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843201-001 — HP Smart Array P840ar/2GB FBWC 12Gb Dual Port RAID Card

HP · CONTROLLER · RAID_CACHE
PRODUCT OVERVIEW

843201-001: HP Smart Array P840ar/2GB FBWC 12Gb Dual Port RAID Card.

The HP 843201-001 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. 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→ 843201-001
SPECIFICATIONS
Part Number843201-001
ManufacturerHP
Capacity2GB
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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 843201-001 MFR HP HP Smart Array P840ar/2GB FBWC 12Gb Dual
KEY FEATURES
•
Flash-Backed Write Cache Capacitor
•
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
SUBSTITUTES & CROSS-REFERENCES 2
848147001SubstituteBROKER-VERIFIED
HP Smart Array P840ar/2GB FBWC 12Gb Dual Port RAID Card
substitute
843199-B21CompatiblePARTNER
HP Smart Array P840ar/2Gb FBWC 12Gb 2-Port Int Module for DL360/DL380 G9
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
843199-B21SUBSTITUTE
HP Smart Array P840ar/2Gb FBWC 12Gb 2-Port Int Module for DL360/DL380 G11
HPE
848147-001SUBSTITUTE
HP Smart Array P840ar/2Gb FBWC 12Gb 2-Port Int Module for DL360/DL380 G11
HPE
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FREQUENTLY ASKED QUESTIONS
What is 843201-001?
843201-001 is a HP Smart Array P840ar/2GB FBWC 12Gb Dual Port RAID Card manufactured by HP. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 843201-001?
There are 2 known substitutes for 843201-001: 848147001, 843199-B21. 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.