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03T8594 — Storage Datasheet

LENOVO · RAID CONTROLLER
WHAT YOU NEED TO KNOW
Naming: -i=Internal | -e=External | -a=Type-a modular | -c=Mezzanine SR=SmartRAID (cache) | E=Entry (no cache, HBA-like)
Smart Storage Battery SOLD SEPARATELY — no battery = no write-back cache
PRODUCT OVERVIEW

IBM SAS 12G RAID 720i SAS/SATA Zero Cache 2-Port INT PCI-E-3.0x8 AnyRAID Module for ThinkServer - Option. Key specifications include Generation: 12th Gen. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
03T8594
SPECIFICATIONS
Generation12th Gen
FITS THESE MACHINES
Lenovo ThinkServer RD350
Lenovo ThinkServer RD450
Lenovo ThinkServer RD550
Lenovo ThinkServer RD650
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 03T8594 MFR LENOVO IBM SAS 12G RAID 720i SAS/SATA Zero Cach
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
4XC0G88838CompatiblePARTNER
IBM SAS 12G RAID 720i SAS/SATA Zero Cache 2-Port INT PCI-E-3.0x8 AnyRAID Module for ThinkServer - Option
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
4XB0G45756SUBSTITUTE
IBM SAS 12G RAID 720i SAS/SATA Zero Cache 2-Port INT PCI-E-3.0x8 AnyRAID Module for ThinkServer - FRU
LENOVO
4XC0G88838SUBSTITUTE
IBM SAS 12G RAID 720i SAS/SATA Zero Cache 2-Port INT PCI-E-3.0x8 AnyRAID Module for ThinkServer - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 03T8594?
03T8594 is a IBM SAS 12G RAID 720i SAS/SATA Zero Cache 2-Port INT PCI-E-3.0x8 AnyRAID Module for ThinkServer - Option manufactured by LENOVO.
What parts can replace 03T8594?
There is 1 known substitute for 03T8594: 4XC0G88838. Substitute compatibility should be verified for your specific system.
Is 03T8594 still available?
03T8594 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.