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4XB0K12251 — 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

Lenovo 4XB0K12251 internal solid state drive 800 GB 2.5" Serial ATA III. The unit ships in a SFF form factor suitable for standard rack-mount installations. 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→ 4XB0K12251
SPECIFICATIONS
Part Number4XB0K12251
ManufacturerLenovo
Form FactorSFF
Capacity800GB
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 800GB SAS — 4XB0K12251 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 800GB SAS — 4XB0K12251 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 800GB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 4XB0K12251 CAP 800GB SAS
KEY FEATURES
•
SFF Form Factor
•
800GB 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 2
00LA963CompatiblePARTNER
IBM 800Gb SATA 6G MLC LFF NHP Enterprise Entry Intel DC S3510 SSD for ThinkServer TS150 - FRU
compatible
SL10A28720CompatiblePARTNER
IBM 800Gb SATA 6G MLC LFF NHP Enterprise Entry Intel DC S3510 SSD for ThinkServer TS150 - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
SL10A28720SUBSTITUTE
IBM 800Gb SATA 6G MLC LFF NHP Enterprise Entry Intel DC S3510 SSD for ThinkServer TS150 - Option
LENOVO
00LA963SUBSTITUTE
IBM 800Gb SATA 6G MLC LFF NHP Enterprise Entry Intel DC S3510 SSD for ThinkServer TS150 - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4XB0K12251?
4XB0K12251 is a Lenovo 4XB0K12251 internal solid state drive 800 GB 2.5" Serial ATA III manufactured by Lenovo.
What parts can replace 4XB0K12251?
There are 2 known substitutes for 4XB0K12251: 00LA963, SL10A28720. 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.