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Small silver 2.5 inch SAS hard drive with hot-swap tray

DELL

DELL 400-ALWC 300GB 2.5" SAS 10000 RPM internal hard drive

SKU CH-X2FZ-XM204

A 300 GB 2.5 inch SAS hard drive spinning at 10000 RPM with a 12 Gb/s transfer rate, hot-swap tray and Dell part number 400-ALWC

  • PackagingBare Drive
  • InterfaceSAS 3Gb/s
  • Capacity300GB
  • RPM10000 RPM
  • Average Latency3Gb/s
  • Form Factor2.5"
  • 10,000 RPM spindle speed for fast data access
  • SAS 12Gb/s interface enables high-throughput transfers
  • 5-inch form factor fits dense server bays
  • 300GB capacity stores critical workloads
  • Hot-swap tray allows drive replacement without downtime

Dell 400-ALWC 300GB SAS Drive

This Dell 400-ALWC is a 300GB internal hard drive built for servers and storage arrays that require a 2.5 inch SAS interface. It spins at 10000 RPM and is sold as a new bare drive with a hot-swap tray. The unit suits IT teams replacing a failed drive in a compatible Dell enclosure or expanding existing capacity.

SAS 12Gb/s Interface

The decisive specification is the SAS interface operating at 12Gb/s transfer rate; the system backplane and controller must support this exact speed for the drive to function correctly. A 3Gb/s or 6Gb/s SAS connection will not provide the rated throughput and may prevent the drive from being recognised. Buyers without a 12Gb/s SAS host should not purchase this model.

Hot-Swap Tray Included

The drive ships with a hot-swap tray that allows insertion and removal while the server remains powered on. This hardware eliminates the need for a separate caddy and reduces downtime during maintenance or upgrades. No additional software, cables or mounting screws are supplied in the bare-drive packaging.

Highlights

  • 10,000 RPM spindle speed for fast data access
  • SAS 12Gb/s interface enables high-throughput transfers
  • 5-inch form factor fits dense server bays
  • 300GB capacity stores critical workloads
  • Hot-swap tray allows drive replacement without downtime

Specifications

BrandDell
Model400-ALWC
PackagingBare Drive
InterfaceSAS 3Gb/s
Capacity300GB
RPM10000 RPM
Average Latency3Gb/s
Form Factor2.5"

Questions about this item

How does the 10000 RPM speed translate to real-world performance in a server?

The 10000 RPM spindle reduces average latency and sustains higher sequential throughput than slower drives, benefiting transactional workloads and database logs in a Dell server.

What does the SAS 12Gb/s interface actually cap at in practice?

The SAS 12Gb/s interface supports up to 12Gb/s per lane; actual throughput depends on the controller and backplane, but the drive will not exceed that electrical limit.

Will this 2.5" drive fit a standard Dell hot-swap tray?

Yes, the 2.5" form factor and hot-swap tray design match Dell 2.5" SAS bays, allowing tool-less insertion into compatible PowerEdge or Precision chassis.

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