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PartsTable / STORAGE_HDD / 4XB7A13556
4XB7A13556 ✓ Verified by PartsTable
IBM · STORAGE_HDD · 2.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS HDD backplane accepts SATA drives, SATA backplane does NOT accept SAS 2.5" SAS HDDs come with or without carrier/tray — ALWAYS ASK
ALWAYS confirm carrier/tray PN — server-specific trays vary by generation
PRODUCT OVERVIEW

Lenovo offers a broad range of hard disk drives (HDD) ranging from entry-level drives to industry leading capacity and high-RPM offerings. Lenovo HDDs are optimized to deliver maximum performance on Lenovo ThinkSystem servers and all HDDs undergo stringent compatibility and reliability testing to ensure best performance in 24x7 operational environments. 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→ 2.5_SAS_HDD→ 4XB7A13556
SPECIFICATIONS
TypeHDD
HDD size3.5"
HDD speed7200 RPM
InterfaceSerial ATA III
HDD capacity4 TB
Component forServer/workstation
Operating voltage5 / 12 V
Compatible productsThinkSystem ST50
HDD interface transfer rate6 Gbit/s
Harmonized System (HS) code84717050
COMPONENT DIAGRAM
LABEL P/N S/N HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 4XB7A13556 MFR IBM 4xb7a13556
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
00MX127Compatible
IBM 4Tb SATA 6G 7.2K LFF 512n NHP HDD for ThinkSystem ST50 - FRU
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
00MX127SUBSTITUTE
IBM 4Tb SATA 6G 7.2K LFF 512n NHP HDD for ThinkSystem ST50 - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4XB7A13556?
4XB7A13556 is a 4xb7a13556 manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 4XB7A13556?
There is 1 known substitute for 4XB7A13556: 00MX127. Substitute compatibility should be verified for your specific system.
Is 4XB7A13556 still available?
4XB7A13556 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026