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81Y4451 — Storage Datasheet

IBM · CONTROLLER · RAID_HBA
WHAT YOU NEED TO KNOW
RAID HBAs — always confirm bracket height (full or half). Ship unlocked with test reports. Our edge: we can verify specific firmware versions.
Firmware must match server
PRODUCT OVERVIEW
IBM SERVERRAID M5000 BATTERY PACK

IBM SERVERRAID M5000 BATTERY PACK. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CONTROLLER→ RAID_HBA→ 81Y4451
SPECIFICATIONS
Part Number81Y4451
ManufacturerIBM
FITS THESE MACHINES
Lenovo System x iDataPlex dx360 Server M3
Lenovo System x x3500 M3
Lenovo System x x3550 M3
Lenovo System x x3650 M3
Lenovo System x x3690 X5
Lenovo System x3100 M4
Lenovo System x3200 M3
Lenovo System x3250 M3
Lenovo System x3400 M3
Lenovo System x3620 M3
Lenovo System x3630 M3
Lenovo System x3755 M3
Lenovo System x3850 X5
COMPONENT DIAGRAM
RAID ASIC CACHE FBWC SAS 0 SAS 1 SAS 2 SAS 3 BATT EXT 0 EXT 1 PCIe x8 ~187 mm STORAGE CONTROLLER | RAID 0,1,5,6,10 | PCIe SAS/SATA | FBWC cache | Battery backup connector | TITLE RAID CTRL PN 81Y4451 MFR IBM IBM Serverraid M5000 Battery Pack
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 6
46M0917CompatiblePARTNER
IBM Cache Battery for ServeRAID M5000 Series - Option
compatible
43W4342CompatiblePARTNER
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
compatible
46M0857CompatiblePARTNER
IBM Cache Battery for ServeRAID M5000 Series - SBB
compatible
46M0885CompatiblePARTNER
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - P/N
compatible
81Y4419CompatiblePARTNER
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - P/N
compatible
90Y4557CompatiblePARTNER
IBM Cache Battery for ServeRAID M5000 Series - Option
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 15
90Y4557SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
43W4299SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
43W4301SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
43W4342SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
44E8680SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
44E8826SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
44E8840SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
46C9040SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
46C9044SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
46C9084SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
46M0857SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
46M0885SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
46M0917SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
67Y0186SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
81Y4419SUBSTITUTE
IBM Cache Battery for ServeRAID M5000/MR10i/is/M - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 81Y4451?
81Y4451 is a IBM Serverraid M5000 Battery Pack manufactured by IBM. It is classified as a CONTROLLER (RAID_HBA).
What parts can replace 81Y4451?
There are 6 known substitutes for 81Y4451: 46M0917, 43W4342, 46M0857 and 3 more. Substitute compatibility should be verified for your specific system.
Is 81Y4451 still available?
81Y4451 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.