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Technical Data Sheet
6544 ✓ Verified by PartsTable
PanzerGlass · 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 PanzerGlass 6544 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 5998-01-041-2740, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
CONTROLLER RAID_CACHE 6544
NSN: 5998-01-041-2740
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 07682 — TELEDYNE INSTRUMENTS, INC. DBA TELEDYNE HASTINGS INSTRUMENTS DIV TELEDYNE HASTINGS INSTRUMENTS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresHEXAGON SHAPE
thread_directionRIGHT-HAND
width_across_flats1.000 INCHES NOMINAL IN
end_item_identificationSATS
thread_size_and_series/type_designator0.500-13 UNIFIED NATIONAL COARSE (UNC)
NSN5998-01-041-2740
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 6544 MFR PanzerGlass 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
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
6544Interchangeable
interchangeable cross-reference
interchangeable
MILE1-1326Interchangeable
interchangeable cross-reference
interchangeable
5296142Interchangeable
interchangeable cross-reference
interchangeable
13411Interchangeable
interchangeable cross-reference
interchangeable
131B526-4Interchangeable
interchangeable cross-reference
interchangeable
ARM-13-4353Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6544?
6544 is a IBM SAS 6Gb 3-Port PCIe2 x8 1.5GB Cache RAID Adapter manufactured by PanzerGlass. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 6544?
There are 13 known substitutes for 6544: 6544, MILE1-1326, 5296142 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6544?
6544 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-041-2740. This indicates validated use in U.S. government and defense supply chains.
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