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P47952001 — HP MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM Storage CNTLR

HP · CONTROLLER · RAID_CACHE
PRODUCT OVERVIEW

P47952001: HP MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM Storage CNTLR.

The HP P47952001 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→ P47952001
SPECIFICATIONS
GenerationGen11
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COMPONENT DIAGRAM
CAP 72V + - CAP 72V BRACKET TO CTRL CABLE: — ~76 mm CACHE BACKUP | Supercapacitor | Cable: — Connects to RAID controller | Gen11 | Controller: See controller spec SCHEMATIC: + - 2S2P SUPERCAP PACK TITLE CACHE BATT PN P47952001 MFR HP HP MR416i-o Gen11 x16 Lanes 8GB Cache OC
KEY FEATURES
•
Battery-Backed Write Cache Module
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Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
•
Hot-Plug Capable
SUBSTITUTES & CROSS-REFERENCES 1
P47781B21SubstituteBROKER-VERIFIED
HP MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM Storage CNTLR
substitute
LIFECYCLE

No lifecycle data available.

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FREQUENTLY ASKED QUESTIONS
What is P47952001?
P47952001 is a HP MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM Storage CNTLR manufactured by HP. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace P47952001?
There is 1 known substitute for P47952001: P47781B21. 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.