PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 400-ALFX

400-ALFX — Storage Datasheet

✓ Verified by PartsTable
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 6G 15K SFF DP HDD in LFF R/T-Series Tray - SPN. 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-ALFX
SPECIFICATIONS
Part Number400-ALFX
ManufacturerDELL
Form FactorSFF
Capacity300GB
Speed15K RPM
COMPONENT DIAGRAM
RELEASE LATCH 300GB NL-SAS 15K RPM 400-ALFX 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 15K 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-ALFX MFR DELL
KEY FEATURES
•
SFF Form Factor
•
300GB Capacity
•
15K 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-AHKTCompatible
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
28XYXCompatible
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - MPN
compatible
342-3980Compatible
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
342-4126Compatible
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
400-24988Compatible
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
compatible
400-AEEJCompatible
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - SPN - Gen 13
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 11
DGRDNSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
K2CK4SUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
28XYXSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
342-3980SUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
342-4126SUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-24988SUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AEEJSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AEEKSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AFLXSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AFTJSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
400-AHKTSUBSTITUTE
Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - DPN
DELL
Ready to buy 400-ALFX?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 400-ALFX?
400-ALFX is a Dell 300Gb SAS 6G 15K SFF DP HDD in LFF R/T-Series Tray - SPN manufactured by DELL.
What parts can replace 400-ALFX?
There are 12 known substitutes for 400-ALFX: 400-AHKT, 28XYX, 342-3980 and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-ALFX still available?
400-ALFX is currently Unknown.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 400-ALFX

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026