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Technical Data Sheet

SMART ARRAY 6404/256 — Cache Module Specs

✓ 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 SMART ARRAY 6404/256 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 5998-01-543-2853, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
CONTROLLER RAID_CACHE SMART ARRAY 6404/256
NSN: 5998-01-543-2853
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 65685 — COMPAQ COMPUTER CORP. (USA)
SPECIFICATIONS
end_item_identificationSERVER ML570R
NSN5998-01-543-2853
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 SMART ARRAY 6404/256 MFR OEM HPE SmartArray 6404 RAID controller PCI
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)
END ITEM IDENTIFICATIONSERVER ML570R
END ITEM IDENTIFICATIONSERVER ML570R
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
SMART ARRAY 6404/256Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
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FREQUENTLY ASKED QUESTIONS
What is SMART ARRAY 6404/256?
SMART ARRAY 6404/256 is a HPE SmartArray 6404 RAID controller PCI Express x8. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace SMART ARRAY 6404/256?
There is 1 known substitute for SMART ARRAY 6404/256: SMART ARRAY 6404/256. Substitute compatibility should be verified for your specific system.
What is the NSN for SMART ARRAY 6404/256?
SMART ARRAY 6404/256 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-543-2853. This indicates validated use in U.S. government and defense supply chains.
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