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49Y1943 ✓ Verified by PartsTable
IBM · STORAGE_HDD · 3.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

IBM 2Tb 7200rpm 3.5in SATA Hot-Swap HD. 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→ 3.5_SAS_HDD→ 49Y1943
SPECIFICATIONS
Part Number49Y1943
ManufacturerIBM
Capacity2TB
COMPONENT DIAGRAM
RELEASE LATCH 2TB NL-SAS 7.2K 49Y1943 IBM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 2TB | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN 49Y1943 MFR IBM
KEY FEATURES
•
2TB Capacity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
49Y1940Compatible
IBM 2Tb SATA 3G 7.2K DP LFF HDD for DS3000/EXP3000 - Option
compatible
49Y1944Compatible
IBM 2TB SATA 3G 7.2k DP LFF HDD for Ds3000/exp3000 - Fru
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
49Y1940SUBSTITUTE
IBM 2Tb SATA 3G 7.2K DP LFF HDD for DS3000/EXP3000 - P/N
IBM
49Y1944SUBSTITUTE
IBM 2Tb SATA 3G 7.2K DP LFF HDD for DS3000/EXP3000 - P/N
IBM
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FREQUENTLY ASKED QUESTIONS
What is 49Y1943?
49Y1943 is a IBM 2Tb 7200rpm 3.5in SATA Hot-Swap HD manufactured by IBM. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 49Y1943?
There are 2 known substitutes for 49Y1943: 49Y1940, 49Y1944. Substitute compatibility should be verified for your specific system.
Is 49Y1943 still available?
49Y1943 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026