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Technical Data Sheet
PartsTable / STORAGE_HDD / 400-AUWY
400-AUWY ✓ Verified by PartsTable
DELL · STORAGE_HDD · 3.5_SATA_HDD
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 4TB 7.2K SATA 3.5" 6Gb/s HDD

Increase the storage capacity of your system with the 4TB Hard Drive from Dell. Offering a rotational speed of 7200 RPM, this drive provides fast disk access. Key specifications include Type: HDD, HDD size: 3.5", HDD speed: 7200 RPM, Interface: Serial ATA, HDD capacity: 4 TB, Component for: Server/workstation.

The unit ships in a LFF 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
STORAGE_HDD→ 3.5_SATA_HDD→ LFF BAY→ 400-AUWY
SPECIFICATIONS
TypeHDD
HDD size3.5"
HDD speed7200 RPM
InterfaceSerial ATA
HDD capacity4 TB
Component forServer/workstation
Bytes per sector512n
Quantity per pack1 pc(s)
HDD interface transfer rate6 Gbit/s
Harmonized System (HS) code84717050
COMPONENT DIAGRAM
RELEASE LATCH 4TB NL-SAS 7.2K RPM 400-AUWY DELL NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 4TB | NL-SAS 7.2K 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-AUWY MFR DELL
KEY FEATURES
•
LFF Form Factor
•
4TB Capacity
•
7.2K 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
01D23Compatible
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - MPN - Gen 13
compatible
161-BBRLCompatible
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 14
compatible
19W0RCompatible
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - MPN - Gen 14
compatible
1CG1YCompatible
Dell 4Tb SATA 6G 7.2K LFF HDD R/T-Series Tray - MPN - Gen 13
compatible
2MJ55Compatible
Dell 4Tb SATA 6G 7.2K LFF 512n HDD - APN
compatible
2RMX9Compatible
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - MPN - Gen 13
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
9PR63SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
9XWKWSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
C48DWSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
FNGX4SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
GCHH1SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
JK4WFSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
JV8KFSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
KH21HSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
KN40KSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
KRH17SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
MWHY9SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
N36YXSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
PF0YFSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
THGNNSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
V4V0XSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
XPJ47SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
YH3T9SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
01D23SUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
161-BBRLSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
95M6KSUBSTITUTE
Dell 4Tb SATA 6G 7.2K LFF 512n HDD R/T-Series Tray - DPN - Gen 13
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-AUWY?
400-AUWY is a Dell 4TB 7.2k SATA 3.5" 6gb/s HDD manufactured by DELL. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 400-AUWY?
There are 12 known substitutes for 400-AUWY: 01D23, 161-BBRL, 19W0R and 9 more. Substitute compatibility should be verified for your specific system.
Is 400-AUWY still available?
400-AUWY is currently Unknown.
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Last verified: July 2026