PartsTable / CONTROLLER / A865
A865
✓ Verified by PartsTable
— · CONTROLLER · RAID_CACHE
WHAT YOU NEED TO KNOW
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 A865 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 →
A865
NSN: 3110-00-158-6190 FSC: 3110 CAGE: 70801 — AUTOMOTIVE THRUST BEARING CORP (USA)
SPECIFICATIONS
end_item_identification HYDRAULIC MODULE ASSY part_name_assigned_by_controlling_agency VALVE, BLEED NSN 3110-00-158-6190
COMPONENT DIAGRAM
CAP
72V
+
-
CAP
72V
BRACKET
TO CTRL
CABLE: —
~76 mm
CACHE BACKUP | Supercapacitor | Cable: —
Connects to RAID controller | | Controller: See controller spec
SCHEMATIC:
+
-
2S2P SUPERCAP PACK
TITLE
CACHE BATT
PN
A865
MFR
OEM
IBM SAS 6Gb 3-Port PCIe2 x8 1.5GB Cache
KEY FEATURES
• Battery-Backed Write Cache Module
• Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
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 OVERALL HEIGHT 0.8070 INCHES NOMINAL IN MATERIAL COPPER ALLOY RETAINER STYLE DESIGNATOR CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
1087 Interchangeable interchangeable cross-reference
interchangeable
301803R91 Interchangeable interchangeable cross-reference
interchangeable
7524043 Interchangeable interchangeable cross-reference
interchangeable
44Z1233D1 Interchangeable interchangeable cross-reference
interchangeable
4506 Interchangeable interchangeable cross-reference
interchangeable
E2265PC54 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A865?
A865 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 A865?
There are 26 known substitutes for A865: 1087, 301803R91, 7524043 and 23 more. Substitute compatibility should be verified for your specific system.
Is A865 still available?
A865 is currently cancelled.