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Silver 2.5 inch SAS hard drive with green circuit board visible

DELL

DELL 4X1DR WD9001BKHG 900GB 10000RPM 6Gbps 2.5 SAS internal hard drive

SKU CH-E725-JBEAZ

A 900 GB 10000 RPM SAS drive with 32 MB cache in a 2.5 inch form factor

  • 900 GB capacity stores large enterprise datasets
  • 10 000 RPM spindle delivers fast transactional throughput
  • SAS 6 Gb/s interface connects directly to RAID controllers
  • 32 MB cache buffers burst I/O workloads
  • 5 inch form factor fits dense server bays

Dell 900 GB SAS enterprise drive

This Dell 4X1DR WD9001BKHG is a new 900 GB internal hard drive built for 2.5 inch SAS bays. It spins at 10000 RPM with a 6 Gb/s SAS interface and a 32 MB cache. The drive is designed for enterprise storage arrays and servers that require high-throughput rotational media.

Suits arrays needing 10K SAS spindles

Administrators expanding or repairing SAS-based storage pools will find the capacity and spindle speed match typical 10K tier requirements. The 2.5 inch form factor fits dense enclosures and blade chassis. Buyers who need larger capacities, solid-state latency or a different interface should evaluate other options.

6 Gb/s SAS interface decides compatibility

The drive connects exclusively through a 6 Gb/s SAS port and requires a controller or backplane that supports this protocol. Without a matching SAS link the drive will not function, so verify the host interface before purchase.

Istaknuto

  • 900 GB capacity stores large enterprise datasets
  • 10 000 RPM spindle delivers fast transactional throughput
  • SAS 6 Gb/s interface connects directly to RAID controllers
  • 32 MB cache buffers burst I/O workloads
  • 5 inch form factor fits dense server bays

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How do I install this 2.5" SAS drive and what step is often missed?

Mount the drive in a 2.5-inch bay, connect the SAS data and power cables to the controller, then configure the drive in the RAID BIOS before the OS sees it.

What maintenance or replacement will the WD9001BKHG need over time?

The mechanical 10000RPM motor and bearings wear gradually; plan to replace the drive once SMART reallocated-sector counts rise or after the rated workload limit is reached.

What limit appears first during sustained writes on this 900GB SAS drive?

The 6Gb/s SAS interface and 32MB cache saturate before the platters, so sustained throughput caps at the interface ceiling during long sequential workloads.

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