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Technical Data Sheet
PartsTable / STORAGE_HDD / 400-BLKU
400-BLKU ✓ Verified by PartsTable
DELL · STORAGE_HDD · 2.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS HDD backplane accepts SATA drives, SATA backplane does NOT accept SAS 2.5" SAS HDDs come with or without carrier/tray — ALWAYS ASK
ALWAYS confirm carrier/tray PN — server-specific trays vary by generation
PRODUCT OVERVIEW

The 400-BLKU is a DELL industrial component. Key specifications include Type: HDD, HDD size: 3.5", HDD speed: 7200 RPM, Interface: Serial ATA III, HDD capacity: 18 TB, Component for: Server/workstation. 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→ 2.5_SAS_HDD→ 400-BLKU
SPECIFICATIONS
TypeHDD
HDD size3.5"
HDD speed7200 RPM
InterfaceSerial ATA III
HDD capacity18 TB
Component forServer/workstation
Bytes per sector512e
Hot-Plug supportYes
HDD interface transfer rate6 Gbit/s
COMPONENT DIAGRAM
LABEL P/N S/N HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 400-BLKU MFR DELL 400-BLKU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
KPVDNCompatible
Dell 18Tb SATA 6G 7.2K LFF 512e HDD - APN
compatible
400-BLBGCompatible
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - SPN - Gen 14
compatible
400-BLBOCompatible
Dell 18Tb SATA 6G 7.2K LFF 512e HDD Bare Drive - DPN
compatible
AB219086Compatible
Dell 18Tb SATA 6G 7.2K LFF 512e HDD Bare Drive - DPN
compatible
FCCTJCompatible
Dell 18Tb SATA 6G 7.2K LFF 512e HDD - APN
compatible
P74FXCompatible
Dell 18Tb SATA 6G 7.2K LFF 512e HDD Bare Drive - MPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 8
AB219086SUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
FCCTJSUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
KPVDNSUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
P74FXSUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
W6DV1SUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
WD181KRYZSUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
400-BLBGSUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
400-BLBOSUBSTITUTE
Dell 18Tb SATA 6G 7.2K LFF 512e HDD R/T-Series Tray - DPN - Gen 14
DELL
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FREQUENTLY ASKED QUESTIONS
What is 400-BLKU?
400-BLKU is a 400-BLKU manufactured by DELL. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 400-BLKU?
There are 8 known substitutes for 400-BLKU: KPVDN, 400-BLBG, 400-BLBO and 5 more. Substitute compatibility should be verified for your specific system.
Is 400-BLKU still available?
400-BLKU is currently Unknown.
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Last verified: July 2026