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Technical Data Sheet
PartsTable / STORAGE_HDD / 400-ATJI
400-ATJI ✓ Verified by PartsTable
DELL · 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

Increase the storage capacity of your Dell™ System with 1 TB Hard Drive from Dell. It boasts a storage capacity of up to 1 TB, enabling users to store large amounts of data. Featuring Serial ATA interface, this hard drive delivers enhanced data transfer speed of up to 6 Gbps .

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→ 400-ATJI
SPECIFICATIONS
TypeHDD
HDD size2.5"
HDD speed7200 RPM
InterfaceSerial ATA III
HDD capacity1 TB
Component forServer/workstation
Operating voltage5 V
HDD interface transfer rate6 Gbit/s
Storage drive adapter includedYes
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 400-ATJI MFR DELL 400-ATJI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
400-ATJHCompatible
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - DPN - Gen 14
compatible
400-ASKJCompatible
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - SPN - Gen 14
compatible
898HDCompatible
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - MPN - Gen 14
compatible
R80JRCompatible
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - MPN - Gen 14
compatible
1XGM0Compatible
Dell 1Tb SATA 6G 7.2K SFF HDD R/T-Series Tray - MPN - Gen 13
compatible
31N08Compatible
Dell 1TB SATA 6G 7.2k SFF HDD - Apn
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
898HDSUBSTITUTE
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - DPN - Gen 14
DELL
R80JRSUBSTITUTE
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - DPN - Gen 14
DELL
400-ASKJSUBSTITUTE
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - DPN - Gen 14
DELL
400-ATJHSUBSTITUTE
Dell 1Tb SATA 6G 7.2K SFF HDD in LFF R/T-Series Tray - DPN - Gen 14
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-ATJI?
400-ATJI is a 400-ATJI manufactured by DELL. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 400-ATJI?
There are 12 known substitutes for 400-ATJI: 400-ATJH, 400-ASKJ, 898HD and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-ATJI still available?
400-ATJI is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026