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400-ACEQ — 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

- Offers - 1.2 TB capacity to store large amount of data<br>- SAS interface delivers high data transfer speeds<br>- 10,000 RPM spindle speed ensures excellent performance<br><br>Increase the storage capacity of your system with the 1.2 TB Hard Drive from Dell™. Offering a rotational speed of 10,000 RPM, this drive provides fast disk access. Featuring SAS interface, this hard drive delivers enhanced data transfer speeds.

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-ACEQ
SPECIFICATIONS
Part Number400-ACEQ
ManufacturerDell
Form FactorSFF
Capacity1.2TB
COMPONENT DIAGRAM
LATCH 1.2TB SAS — 400-ACEQ SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1.2TB SAS — 400-ACEQ BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 1.2TB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 400-ACEQ CAP 1.2TB SAS
KEY FEATURES
•
SFF Form Factor
•
1.2TB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
9HFG5Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - MPN
compatible
400-AHWHCompatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
compatible
12SS61025RTCompatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
compatible
342-5514Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - SPN
compatible
342-5515Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - SPN
compatible
342-5517Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - SPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
87GNYSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
9HFG5SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
9WMXDSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
G4NVNSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
RMCP3SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
T6TWNSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
Y11GKSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
12SS61025RTSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
342-5514SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
342-5515SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
342-5517SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
342-5521SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
36RH9SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-26653SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-AAIWSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-ADXFSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-AEFOSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-AEFQSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-AEYTSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
400-AFFLSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-ACEQ?
400-ACEQ is a DELL 400-ACEQ internal hard drive 1.2 TB 10000 RPM 2.5" SAS manufactured by Dell.
What parts can replace 400-ACEQ?
There are 12 known substitutes for 400-ACEQ: 9HFG5, 400-AHWH, 12SS61025RT and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-ACEQ still available?
400-ACEQ is currently Unknown.
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Last verified: September 2026