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400-AJPY — 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 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN. 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-AJPY
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
LATCH 300GB SAS 10K RPM 400-AJPY SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 300GB SAS 10K RPM 400-AJPY BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 300GB | SAS 10K RPM Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 400-AJPY CAP 300GB SAS
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
3NKW7Compatible
Dell 300Gb SAS 12G 10K SFF HDD - APN
compatible
300SS121025RTCompatible
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray
compatible
29MMMCompatible
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - MPN - Gen 13
compatible
2M5JKCompatible
Dell 300Gb SAS 12G 10K SFF HDD - APN
compatible
400-AJOQCompatible
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - DPN - Gen 13
compatible
400-AJPKCompatible
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
9C26MSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
C975MSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
CWHNNSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
CXF82SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
F9KW8SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
FF02RSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
FW956SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
G8774SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
GWFRYSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
H367TSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
H523NSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
HT954SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
J0GX3SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
J3MPFSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
JW552SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
JYHW8SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
K9VCFSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
KT5V6SUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
MFG8XSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
960NXSUBSTITUTE
Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-AJPY?
400-AJPY is a Dell 300Gb SAS 12G 10K SFF HDD R/T-Series Tray - SPN manufactured by DELL.
What parts can replace 400-AJPY?
There are 12 known substitutes for 400-AJPY: 3NKW7, 300SS121025RT, 29MMM and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-AJPY still available?
400-AJPY is currently Unknown.
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Last verified: September 2026