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81Y4485 — IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - Option

IBM · RAID CONTROLLER
PRODUCT OVERVIEW

81Y4485: IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - Option. It is cited to fit LENOVO System x IBM System x3650 M4, LENOVO System x System x3100 M5, LENOVO System x System x3300 M4 and 5 more listed machines.

IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number81Y4485
ManufacturerIBM
Capacity512MB
FITS THESE MACHINES
Lenovo System x IBM System x3650 M4
Lenovo System x3100 M5
Lenovo System x3300 M4
Lenovo System x3500 M4
Lenovo System x3530 M4
Lenovo System x3550 M4
Lenovo System x3630 M4
Lenovo System x3750 M4
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 81Y4485 MFR IBM IBM ServeRAID M5100 Series 512Mb Cache/R
KEY FEATURES
•
512MB Capacity
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 3
81Y4484CompatiblePARTNER
IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - Option
compatible
00D7085CompatiblePARTNER
IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - Option
compatible
81Y4486CompatiblePARTNER
IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - SBB
compatible
LIFECYCLE

No lifecycle data available.

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FREQUENTLY ASKED QUESTIONS
What is 81Y4485?
81Y4485 is a IBM ServeRAID M5100 Series 512Mb Cache/RAID 5 Upgrade for System x - Option manufactured by IBM.
What parts can replace 81Y4485?
There are 3 known substitutes for 81Y4485: 81Y4484, 00D7085, 81Y4486. 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.