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830824-B21 — Battery Module Specs

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.
Firmware must match server
PRODUCT OVERVIEW
HP SMART ARRAY P408I-P SR G10 2GB CACHE RAID CONTROLLER

The HP 830824-B21 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→ 830824-B21
SPECIFICATIONS
Part Number830824-B21
ManufacturerHP
Capacity2GB
BROWSE HPE MACHINES
ProLiant DL360 Gen10 ProLiant DL380 Gen10 ProLiant BL460c Gen10 ProLiant DL380 Gen9 ProLiant DL360 Gen9 3PAR StoreServ 8450 ProLiant BL685c G7 3PAR StoreServ 8400 3PAR StoreServ 8440 3PAR StoreServ 8200 MSA 2052 SAN Storage ProLiant BL460c Gen9
All HPE machines and parts
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 830824-B21 MFR HP HP Smart Array P408i-P Sr G10 2GB Cache
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
  • Hardware RAID acceleration for enterprise storage
  • Data protection and parity management
  • Cache-backed write acceleration
  • Storage tiering and SSD caching
SUBSTITUTES & CROSS-REFERENCES 1
836269001SubstituteBROKER-VERIFIED
HP Smart Array P408i-P Sr G10 2GB Cache RAID Controller
substitute
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1
836269-001SUBSTITUTE
HP Smart Array P408i-p SR/2Gb FBWC 12G 2-Port Int Controller for G10
HPE
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FREQUENTLY ASKED QUESTIONS
What is 830824-B21?
830824-B21 is a HP Smart Array P408i-P Sr G10 2GB Cache RAID Controller manufactured by HP. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 830824-B21?
There is 1 known substitute for 830824-B21: 836269001. Substitute compatibility should be verified for your specific system.
Is 830824-B21 still available?
830824-B21 is currently Unknown.
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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.