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Technical Data Sheet
PartsTable / STORAGE_HDD / 4XB0G45719
4XB0G45719 ✓ Verified by PartsTable
LENOVO · 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

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
STORAGE_HDD→ 3.5_SAS_HDD→ LFF BAY→ 4XB0G45719
SPECIFICATIONS
TypeHDD
HDD size3.5"
Hot-swapYes
HDD speed7200 RPM
InterfaceSAS
HDD capacity4 TB
Component forServer/workstation
SMART technologyYes
Operating voltage5 / 12 V
Compatible productsLenovo ThinkServer Gen.5
HDD interface transfer rate6 Gbit/s
COMPONENT DIAGRAM
RELEASE LATCH 4TB SAS 6Gb/s 7.2K RPM 4XB0G45719 LENOVO SAS 6Gb/s INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 4TB | SAS 6Gb/s 7.2K RPM 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 4XB0G45719 MFR LENOVO
KEY FEATURES
•
LFF Form Factor
•
SAS 6Gb/s Interface
•
4TB Capacity
•
7.2K RPM Speed
•
Gen5 Generation
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
03T7872Compatible
IBM 4Tb SAS 6G 7.2K LFF 512n Gen 5 HDD for ThinkServer - FRU
compatible
03T8336Compatible
IBM 4Tb SAS 6G 7.2K LFF 512n Gen 5 HDD for ThinkServer - FRU P/N
compatible
SL10A28358Compatible
IBM 4Tb SAS 6G 7.2K LFF 512n Gen 5 HDD for ThinkServer - P/N
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
SL10A28358SUBSTITUTE
IBM 4Tb SAS 6G 7.2K LFF 512n Gen 5 HDD for ThinkServer - Option
LENOVO
03T7872SUBSTITUTE
IBM 4Tb SAS 6G 7.2K LFF 512n Gen 5 HDD for ThinkServer - Option
LENOVO
03T8336SUBSTITUTE
IBM 4Tb SAS 6G 7.2K LFF 512n Gen 5 HDD for ThinkServer - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4XB0G45719?
4XB0G45719 is a Lenovo ThinkServer Gen 5 3.5" 4TB 7.2K Enterprise SAS 6Gbps manufactured by LENOVO. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 4XB0G45719?
There are 3 known substitutes for 4XB0G45719: 03T7872, 03T8336, SL10A28358. Substitute compatibility should be verified for your specific system.
Is 4XB0G45719 still available?
4XB0G45719 is currently Unknown.
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Last verified: July 2026