RAID cache modules — check if the battery is included and verify cache size. Ship unlocked and with test reports. Firmware must match the server. Key checks: Ship with test reports. Ship UNLOCKED.
Firmware must match server
PRODUCT OVERVIEW
The the manufacturer C0T27580A is a Battery-Backed Write Cache pack, designed for enterprise RAID controllers in enterprise 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 enterprise servers remain widely deployed.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-6190, indicating validated use in U.S. government and defense logistics supply chains.
WHERE IT FITS
CONTROLLER→RAID_CACHE→C0T27580A
NSN:3110-00-158-6190 FSC:3110 CAGE:57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
material
COPPER ALLOY RETAINER
alignment_type
RIGID
overall_height
0.8070 INCHES NOMINAL IN
surface_finish
GROUND
special_features
BRONZE FERRULE ON ID OF ONE WASHER,WASHERS OVERLAP
style_designator
CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
bore_smallest_diameter
2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
overall_outside_diameter
3.4850 INCHES MINIMUM AND 3.5150 INCHES MAXIMUM IN
thrust_directional_capability_designation
SINGLE
NSN
3110-00-158-6190
COMPONENT DIAGRAM
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
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPE
RIGID
THRUST DIRECTIONAL CAPABILITY DESIGNATION
SINGLE
SURFACE FINISH
GROUND
OVERALL OUTSIDE DIAMETER
3.4850 INCHES MINIMUM AND 3.5150 INCHES MAXIMUM IN
SPECIAL FEATURES
BRONZE FERRULE ON ID OF ONE WASHER,WASHERS OVERLAP
BORE SMALLEST DIAMETER
2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is C0T27580A?
C0T27580A is a IBM SAS 6Gb 3-Port PCIe2 x8 1.5GB Cache RAID Adapter. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace C0T27580A?
There are 25 known substitutes for C0T27580A: 1087, 301803R91, 7524043 and 22 more. Substitute compatibility should be verified for your specific system.
Is C0T27580A still available?
C0T27580A is currently cancelled.
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