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12SS61025RT — 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 6G 10K SFF DP HDD - APN. 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→ 12SS61025RT
SPECIFICATIONS
Part Number12SS61025RT
ManufacturerDELL
Form FactorSFF
Capacity1.2TB
Speed10K RPM
COMPONENT DIAGRAM
LATCH 1.2TB SAS 10K RPM 12SS61025RT SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1.2TB SAS 10K RPM 12SS61025RT 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 12SS61025RT CAP 1.2TB SAS
KEY FEATURES
•
SFF Form Factor
•
1.2TB 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
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
342-5521Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
compatible
36RH9Compatible
Dell 1.2TB SAS 6G 10k SFF DP HDD - Apn
compatible
400-26653Compatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
compatible
400-AAIWCompatible
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray - DPN
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
DELL
9HFG5SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
9WMXDSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
G4NVNSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
RMCP3SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
T6TWNSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
Y11GKSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
342-5514SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
342-5515SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
342-5517SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
342-5521SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
36RH9SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-26653SUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-AAIWSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-ACEQSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-ADXFSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-AEFOSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-AEFQSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-AEYTSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
400-AFFLSUBSTITUTE
Dell 1.2Tb SAS 6G 10K SFF DP HDD R/T-Series Tray
DELL
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FREQUENTLY ASKED QUESTIONS
What is 12SS61025RT?
12SS61025RT is a Dell 1.2Tb SAS 6G 10K SFF DP HDD - APN manufactured by DELL.
What parts can replace 12SS61025RT?
There are 12 known substitutes for 12SS61025RT: 342-5515, 342-5517, 342-5521 and 9 more. Substitute compatibility should be verified for your specific system.
Is 12SS61025RT still available?
12SS61025RT is currently Unknown.
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Last verified: September 2026