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400-AEXX — Storage Datasheet

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DELL · 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

Dell 1.2Tb SAS 12G 10K SFF 512n HDD R/T-Series Tray - MPN - Gen 13. Key specifications include Generation: Gen13. 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-AEXX
SPECIFICATIONS
GenerationGen13
COMPONENT DIAGRAM
LATCH 1.2TB SAS 10K RPM 400-AEXX SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1.2TB SAS 10K RPM 400-AEXX BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 1.2TB | SAS 10K RPM Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 400-AEXX CAP 1.2TB SAS
KEY FEATURES
•
SFF Form Factor
•
1.2TB Capacity
•
10K RPM Speed
•
Gen13 Generation
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-AEFWCompatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
342-5518Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - SPN
compatible
342-5519Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - SPN
compatible
342-5523Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
34XWCCompatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - MPN
compatible
400-26654Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 10
JHCH0SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
342-5518SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
342-5519SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
342-5523SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
34XWCSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-26654SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AAIUSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AEFVSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AEFWSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AFTKSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-AEXX?
400-AEXX is a Dell 1.2Tb SAS 12G 10K SFF 512n HDD R/T-Series Tray - MPN - Gen 13 manufactured by DELL.
What parts can replace 400-AEXX?
There are 12 known substitutes for 400-AEXX: 400-AEFW, 342-5518, 342-5519 and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-AEXX still available?
400-AEXX is currently Unknown.
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Last verified: September 2026