PartsTable
Technical Data Sheet

312-0448/ONU209 — DELL PERC 5I/6I H700 RAID BATTERY

✓ Government record, cited
— · CONTROLLER · RAID_CACHE
PRODUCT OVERVIEW

312-0448/ONU209: DELL PERC 5I/6I H700 RAID BATTERY.

The the manufacturer 312-0448/ONU209 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 U.S. Government catalog under NSN 6140-01-565-1062, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
CONTROLLER→ RAID_CACHE→ 312-0448/ONU209
NSN: 6140-01-565-1062
FSC: 6140 — Batteries, Rechargeable
CAGE: FAAY3 — DELL. (FRA)
SPECIFICATIONS
special_featuresSUPPORTS DELL POWER EDGE COMPUTERS
environmental_attribute_codeNON-LEAD ALTERNATIVE PRODUCTS AND RECHARGEABLE BATTERIES - CONSUMER AND VEHICLE PRODUCTS - NON-MERCURY CONTAINING PRODUCTS
NSN6140-01-565-1062
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 312-0448/ONU209 MFR OEM DELL PERC 5I/6I H700 RAID BATTERY
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
  • 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSUPPORTS DELL POWER EDGE COMPUTERS
ENVIRONMENTAL ATTRIBUTE CODENON-LEAD ALTERNATIVE PRODUCTS AND RECHARGEABLE BATTERIES - CONSUMER AND VEHICLE PRODUCTS - NON-MERCURY CONTAINING PRODUCTS
SUBSTITUTES & CROSS-REFERENCES 2
U8735Same NSN cross-reference
Dell Perc 5i/6i H700 RAID Battery
Also cataloged under this NSN
NU209Same NSN cross-reference
Dell Perc 5i/6i H700 RAID Battery
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogShelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 312-0448/ONU209?
312-0448/ONU209 is a DELL PERC 5I/6I H700 RAID BATTERY. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 312-0448/ONU209?
There are 2 known substitutes for 312-0448/ONU209: U8735, NU209. Substitute compatibility should be verified for your specific system.
What is the NSN for 312-0448/ONU209?
312-0448/ONU209 is cataloged in the U.S. Government catalog under NSN 6140-01-565-1062. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.