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400-AJOY — Storage Datasheet

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DELL · DRIVE LFF
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

Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - MPN. Key specifications include Generation: 12th Gen. 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→ 400-AJOY
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
RELEASE LATCH 300GB NL-SAS 10K RPM 400-AJOY DELL NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 300GB | NL-SAS 10K 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 400-AJOY MFR DELL
KEY FEATURES
•
SFF Form Factor
•
300GB Capacity
•
10K RPM Speed
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
400-AJOUCompatible
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - DPN - Gen 13
compatible
400-AJOZCompatible
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - SPN
compatible
400-AJPWCompatible
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - DPN
compatible
9C26MCompatible
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - MPN
compatible
J3MPFCompatible
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - MPN - Gen 13
compatible
29MMMCompatible
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - MPN - Gen 13
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
9C26MSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - SPN
DELL
J3MPFSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - SPN
DELL
400-AJOUSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - SPN
DELL
400-AJOZSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - SPN
DELL
400-AJPWSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - SPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-AJOY?
400-AJOY is a Dell 300Gb SAS 12G 10K SFF HDD in LFF R/T-Series Tray - MPN manufactured by DELL.
What parts can replace 400-AJOY?
There are 12 known substitutes for 400-AJOY: 400-AJOU, 400-AJOZ, 400-AJPW and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-AJOY still available?
400-AJOY is currently Unknown.
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Last verified: September 2026