PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 540-7991
540-7991 ✓ Verified by PartsTable
SUN · STORAGE_HDD · 2.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS HDD backplane accepts SATA drives, SATA backplane does NOT accept SAS 2.5" SAS HDDs come with or without carrier/tray — ALWAYS ASK
ALWAYS confirm carrier/tray PN — server-specific trays vary by generation
PRODUCT OVERVIEW
SUN 300GB 10K DISK SAS-300 2.5IN (M3000)

SUN 300GB 10K DISK SAS-300 2.5IN (M3000). Key specifications include Drive Bays: 00x 2.5" SFF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-632-4376, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
STORAGE_HDD→ 2.5_SAS_HDD→ 540-7991
NSN: 7025-01-632-4376
FSC: 7025
CAGE: 7X430 — SUN MICROSYSTEMS, INC. DBA SUN MICROSYSTEMS (USA)
SPECIFICATIONS
Drive Bays00x 2.5" SFF
NSN7025-01-632-4376
COMPONENT DIAGRAM
LABEL 300GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 300GB | 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 540-7991 MFR SUN Sun 300GB 10k Disk SAS-300 2.5in (m3000)
KEY FEATURES
•
300GB Capacity
•
10K RPM Speed
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
SEWX3C11ZInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 540-7991?
540-7991 is a Sun 300GB 10k Disk SAS-300 2.5in (m3000) manufactured by SUN. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 540-7991?
There is 1 known substitute for 540-7991: SEWX3C11Z. Substitute compatibility should be verified for your specific system.
What is the NSN for 540-7991?
540-7991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-632-4376. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026