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42D0421 ✓ 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 146GB 10K 2.5" SAS Non-HS SFF HDD

High performance and reliability - these attributes define hard disk drives from IBM - a winning data storage solution. Designed specifically to meet the needs of your advanced, data-intensive applications, IBM hard disk drives provide users with a wide range of capacities and interfaces for nearly every data-intensive application. 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→ 42D0421
SPECIFICATIONS
Part Number42D0421
ManufacturerIBM
Form FactorSFF
Capacity146GB
Speed10K RPM
COMPONENT DIAGRAM
LABEL 146GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 146GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 42D0421 MFR IBM IBM 146GB 10k 2.5" SAS Non-HS SFF HDD
KEY FEATURES
•
SFF Form Factor
•
146GB Capacity
•
10K RPM Speed
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
42C0251Compatible
IBM 146Gb SAS 3G 10K SFF NHP HDD for BladeCentre - P/N
compatible
42D0422Compatible
IBM 146Gb SAS 3G 10K SFF NHP HDD for BladeCentre - FRU
compatible
42D0423Compatible
IBM 146Gb SAS 3G 10K SFF NHP HDD for BladeCentre - SBB
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
42C0251SUBSTITUTE
IBM 146Gb SAS 3G 10K SFF NHP HDD for BladeCentre - Option
IBM
42D0422SUBSTITUTE
IBM 146Gb SAS 3G 10K SFF NHP HDD for BladeCentre - Option
IBM
42D0423SUBSTITUTE
IBM 146Gb SAS 3G 10K SFF NHP HDD for BladeCentre - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 42D0421?
42D0421 is a IBM 146GB 10k 2.5" SAS Non-HS SFF HDD manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 42D0421?
There are 3 known substitutes for 42D0421: 42C0251, 42D0422, 42D0423. Substitute compatibility should be verified for your specific system.
Is 42D0421 still available?
42D0421 is currently Unknown.
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Last verified: July 2026