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2.5 inch SAS hard drive in Dell hot-swap tray

DELL

DELL 1TB 7.2K 2.5" 6G SAS Constellation2 ST91000640SS WTRAY

SKU CH-ZC9B-ECH3E

A 1 TB 2.5-inch SAS drive spinning at 7200 RPM with 64 MB cache and hot-swap support

  • 1 TB capacity for high-density storage
  • 7200 RPM spindle delivers consistent throughput
  • 64 MB cache accelerates random access
  • Hot-swap tray enables drive replacement without downtime
  • 5 inch form factor fits compact server bays

Dell Constellation 1TB SAS drive

The Dell Constellation 1TB drive fits 2.5-inch bays and runs at 7200RPM over a SAS 2 interface. It targets server administrators who need reliable capacity for RAID arrays or bulk storage workloads.

Hot-swap tray and 64MB cache

A hot-swap tray lets technicians replace the drive without powering down the enclosure. The 64MB cache absorbs burst writes and keeps sequential throughput steady during rebuilds or backups.

Upgrade from smaller SAS or SATA spindles

This unit replaces lower-capacity 2.5-inch SAS or SATA drives when array slots are full but more space is required. The jump is worthwhile when the chassis supports SAS 2 and the workload tolerates 7.2K rotational latency.

Highlights

  • 1 TB capacity for high-density storage
  • 7200 RPM spindle delivers consistent throughput
  • 64 MB cache accelerates random access
  • Hot-swap tray enables drive replacement without downtime
  • 5 inch form factor fits compact server bays

Specifications

No published specifications for this item yet.

Questions about this item

What does the SAS 2 interface mean for real-world throughput?

The drive uses a SAS 2 link, which limits maximum signal speed to the 6 Gbit/s standard; actual sustained rates will be lower once protocol overhead and the 7200 RPM mechanical latency are factored in.

Will this 2.5" drive fit my server bay without an adapter?

The unit ships in a Dell tray sized for standard 2.5" hot-swap bays, so it slides directly into compatible Dell PowerEdge or PowerVault slots without extra brackets.

What is the correct way to install the drive and what step is often missed?

Insert the tray until the latch clicks, then verify the controller recognises the 1 TB Constellation.2 at 7200 RPM; the step most people skip is forcing a rescan or reboot so the RAID firmware picks up the new 64 MB cache drive.

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