Dell 400-BKEY / YXKXV 6.4TB Mixed Use Express Flash U.2 NVMe SSD

Dell Part #/MPN: 400-BKEY

DiscTech Item #: DEL-400-BKEY-BN-OE

  • In Stock
    Stock Levels

    We don’t track exact quantities on this item, but it is usually in stock (95% of the time).


Enterprise Grade

Capacity: 6.4TB

Speed: Solid State Memory

Interface Types: NVMe U.2, PCIe

Form Factor: 2.5inx15mm SFF Server Drive

Sector Size: 512 / 512e

Electrical Interface: PCIe - v4.0 - 32GBps

SSD Endurance DWPD: Enterprise Mixed Use

Compatible Systems: Dell 14th Gen. R640/R740

Dell 400-BKEY / YXKXV 6.4TB 2.5 inch SFF Mixed Use Express Flash U.2 NVMe Solid State Drive Kit DXD9H - Brand New

This kit contains one 2.5" SFF 6.4TB NVMe Solid State Drive and one Dell DXD9H tray.

Dell 400-BKEY / YXKXV 6.4TB 2.5 inch SFF Mixed Use / MU Express Flash U.2 NVMe Solid State Drive Kit DXD9H - Brand New


  • Offers up to 6.4TB storage capacity
  • Equipped with NVMe interface which delivers high data transfer rate
  • Solid State design offers ruggedness and fast data access


Benefits of SSD over spin drives:

  • More Durable: Feature a non-mechanical design of NAND flash mounted on circuit boards, and are more shock resistant.
  • Faster: Faster data access, boot ups, file transfers, and an overall quicker computing experience than hard drives.
  • Quieter: Run at near silent operation unlike loud, whirring hard disc drives.
  • Lighter: Flash-based SSDs weigh considerably less.
  • Cooler: SSDs require little power to operate, resulting in less heat output by your system.
  • More Efficient: Consume less power at peak load.


Increase the storage capacity of your Dell™ System with 6.4TB Solid State Hard Drive from Dell. It boasts a storage capacity of up to 6.4TB, enabling users to store large amounts of data.

Manufacturer Part# : YXKXV
Dell Part# : 400-BKEY

This kit contains one 2.5" SFF 6.4TB U.2 NVMe Solid State Drive and one Dell DXD9H tray.

his product is compatible with the following systems:


PowerEdge C6525
PowerEdge R440
PowerEdge R640
PowerEdge R6415
PowerEdge R6515
PowerEdge R6525
PowerEdge R740XD
PowerEdge R7415
PowerEdge R7425
PowerEdge R7515
PowerEdge R7525
PowerEdge R840
PowerEdge R940
PowerEdge R940xa


This Kit is fully compatible with Dell PowerEdge Gen 14 Servers and Storage arrays that support PCIe NVMe U.2 2.5" SSD's including:


PowerEdge C6420PowerEdge R440PowerEdge R640PowerEdge R650
PowerEdge R650xsPowerEdge R6515PowerEdge R6525PowerEdge R740XD
PowerEdge R7425PowerEdge R750PowerEdge R750xaPowerEdge R750xs
PowerEdge R7515PowerEdge R7525PowerEdge R840PowerEdge R940
PowerEdge R940xaPowerEdge T550PowerEdge C6525PowerEdge R6415
PowerEdge R7415PowerEdge R7425  

This kit includes:

  • 1x 2.5in 6.4TB U.2 SFF NVMe Solid State Drive
  • 1x Dell DXD9H tray / caddy
  • 4x mounting screws
Product Specifications
Dell Part#400-BKEY
Manufacturer Part#YXKXV 0YXKXV
Device TypeSolid state drive - internal
Form Factor2.5"
InterfaceU.2 PCI Express 4.0 x4 (NVMe)
FeatureMixed Use Endurance
NVM Express (NVMe)

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Alternate MPNs: YXKXV 0YXKXV

Weight: 1.5 lb

Warranty: 1 Year DiscTech

Brand New

Condition Levels Explained

The product is brand new.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty