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PartsTable / STORAGE_HDD / 81Y9651
81Y9651 ✓ Verified by PartsTable
IBM · 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

IBM 81Y9651 IBM 900GB 10K 6Gbps SAS 2.5 HS Manufacturer: IBM ItemCondition: REF Model: Alternative Part Numbers: 81Y9650,81Y9651. Key specifications include Type: HDD, HDD size: 2.5", Hot-swap: Yes, HDD speed: 10000 RPM, Interface: SAS, HDD capacity: 900 GB. The unit ships in a SFF form factor suitable for standard rack-mount installations.

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→ SFF BAY→ 81Y9651
SPECIFICATIONS
TypeHDD
HDD size2.5"
Hot-swapYes
HDD speed10000 RPM
InterfaceSAS
HDD capacity900 GB
Component forServer/workstation
Operating voltage5 V
Quantity per pack1 pc(s)
HDD interface transfer rate6 Gbit/s
Harmonized System (HS) code84717050
COMPONENT DIAGRAM
LABEL 900GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 900GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 81Y9651 MFR IBM IBM 81Y9651 IBM 900GB 10K 6Gbps SAS 2.5
KEY FEATURES
•
SFF Form Factor
•
900GB Capacity
•
10K RPM Speed
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
81Y9650Compatible
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - Option
compatible
00D5303Compatible
IBM 900GB SAS 6G 10k SFF Slim-HS HDD - P/n
compatible
00D5311Compatible
IBM 900GB SAS 6G 10k SFF Slim-HS HDD - P/n
compatible
49Y7427Compatible
IBM 900GB SAS 6G 10k SFF Slim-HS HDD - P/n
compatible
49Y7449Compatible
IBM 900GB SAS 6G 10k SFF Slim-HS HDD - P/n
compatible
49Y7457Compatible
IBM 900GB SAS 6G 10k SFF Slim-HS HDD - P/n
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 8
00D5303SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
00D5311SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
49Y7427SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
49Y7449SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
49Y7457SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
81Y3805SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
81Y9650SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
81Y9927SUBSTITUTE
IBM 900Gb SAS 6G 10K SFF Slim-HS HDD - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 81Y9651?
81Y9651 is a IBM 81Y9651 IBM 900GB 10K 6Gbps SAS 2.5 HS Manufacturer: IBM ItemCondition: REF Model: Alternative Part Numbers: 81Y9650,81Y9651 manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 81Y9651?
There are 8 known substitutes for 81Y9651: 81Y9650, 00D5303, 00D5311 and 5 more. Substitute compatibility should be verified for your specific system.
Is 81Y9651 still available?
81Y9651 is currently Unknown.
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Last verified: July 2026