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4XB0G45725 — Storage Datasheet

Lenovo · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

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→ 4XB0G45725
SPECIFICATIONS
Part Number4XB0G45725
ManufacturerLenovo
Form FactorSFF
Capacity1.2TB
BROWSE LENOVO MACHINES
ThinkSystem SR650 V1 ThinkSystem SR650 V2 ThinkSystem SR630 V1 ThinkSystem SR630 V2 System x3650 M5 System x3550 M5 ThinkServer RD550 System x IBM System x3650 M4 ThinkServer RD650 SD530 System x3500 M4 ThinkServer RD350
All Lenovo machines and parts
COMPONENT DIAGRAM
LATCH 1.2TB SAS — 4XB0G45725 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1.2TB SAS — 4XB0G45725 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 1.2TB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 4XB0G45725 CAP 1.2TB SAS
KEY FEATURES
•
SFF Form Factor
•
1.2TB Capacity
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
SUBSTITUTES & CROSS-REFERENCES 5
03T7878CompatiblePARTNER
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - FRU
compatible
03X4439CompatiblePARTNER
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - FRU P/N
compatible
16007267CompatiblePARTNER
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - LC P/N
compatible
SH20D87587CompatiblePARTNER
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - P/N
compatible
SL10A28364CompatiblePARTNER
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 5
SH20D87587SUBSTITUTE
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - Option
LENOVO
SL10A28364SUBSTITUTE
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - Option
LENOVO
03T7878SUBSTITUTE
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - Option
LENOVO
03X4439SUBSTITUTE
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - Option
LENOVO
16007267SUBSTITUTE
IBM 1.2Tb SAS 6G 10K SFF Gen 5 HDD for ThinkServer - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4XB0G45725?
4XB0G45725 is a Lenovo 1.2TB 2.5" Enterprise SAS Hot Swap internal hard drive 10000 RPM 2.5" manufactured by Lenovo.
What parts can replace 4XB0G45725?
There are 5 known substitutes for 4XB0G45725: 03T7878, 03X4439, 16007267 and 2 more. 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.