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4XB0G45731 — Lenovo Enterprise Performance 400 GB 2.5" SAS

Lenovo · DRIVE SFF
PRODUCT OVERVIEW

4XB0G45731: Lenovo Enterprise Performance 400 GB 2.5" SAS.

For ThinkServer, Lenovo offers a choice of the industry’s most trusted SATA or SAS hard-disk drives — as well as blazing-fast solid-state drives— in various capacities that are tested for durability. Easy to install, ThinkServer drives are designed with ergonomic cradles that also make maintenance a snap. No matter your business needs, ThinkServer storage options deliver the performance, reliability, and capacity you demand.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SFF BAY→ 4XB0G45731
SPECIFICATIONS
Part Number4XB0G45731
ManufacturerLenovo
Form FactorSFF
Capacity400GB
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Popular Lenovo machine pages — browsing only, not a fit claim for 4XB0G45731.
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COMPONENT DIAGRAM
LATCH 400GB SAS — 4XB0G45731 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 400GB SAS — 4XB0G45731 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 400GB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 4XB0G45731 CAP 400GB SAS
KEY FEATURES
•
SFF Form Factor
•
400GB Capacity
SUBSTITUTES & CROSS-REFERENCES 2
03T7882CompatiblePARTNER
IBM 400Gb SAS 12G SFF Gen 5 Enterprise Performance Seagate 1200 Pro SSD for ThinkServer - FRU
compatible
SL10A28368CompatiblePARTNER
IBM 400Gb SAS 12G SFF Gen 5 Enterprise Performance Seagate 1200 Pro SSD for ThinkServer - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
SL10A28368SUBSTITUTE
IBM 400Gb SAS 12G SFF Gen 5 Enterprise Performance Seagate 1200 Pro SSD for ThinkServer - Option
LENOVO
03T7882SUBSTITUTE
IBM 400Gb SAS 12G SFF Gen 5 Enterprise Performance Seagate 1200 Pro SSD for ThinkServer - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4XB0G45731?
4XB0G45731 is a Lenovo Enterprise Performance 400 GB 2.5" SAS manufactured by Lenovo.
What parts can replace 4XB0G45731?
There are 2 known substitutes for 4XB0G45731: 03T7882, SL10A28368. Substitute compatibility should be verified for your specific system.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.