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A silver 2.5 inch SAS hard drive with a circuit board visible on the bottom

DELL

DELL 1.2Tb 10K 12Gb/S Sas 2.5" internal hard drive Wxpcx

SKU CH-Q7HG-M8KY8

A 1.2 Tb 10 000 rpm 2.5" SAS drive with 128 Mb cache for Dell R630, R730 and R730xd servers

  • 2 TB capacity stores large datasets
  • 10,000 RPM spindle accelerates data access
  • 12 Gb/s SAS interface sustains high throughput
  • 128 MB cache buffers frequent reads
  • 5-inch form factor fits dense server bays

1.2 TB 12 Gb/s SAS drive

This 1.2 TB enterprise drive uses a 12 Gb/s SAS interface and spins at 10000 rpm. It fits 2.5-inch bays in Dell PowerEdge R630, R730 and R730xd servers. The 128 MB cache helps sustain throughput for mixed workloads. It is built for environments that demand consistent mechanical performance.

SAS bandwidth and mechanical limits

The 12 Gb/s SAS link provides high theoretical bandwidth, yet sustained rates are bound by the 10000 rpm spindle and seek latency. Random I/O scales with queue depth but cannot match solid-state response times. Sequential throughput peaks at the media transfer ceiling, not the interface maximum. Buyers who need sub-millisecond latency or higher IOPS should consider solid-state alternatives.

Direct 2.5-inch bay installation

The drive slides into standard 2.5-inch hot-swap trays used in the listed PowerEdge models. No adapters or cables are required when the backplane presents native SAS connectors. Firmware signed by Dell ensures controller recognition and temperature reporting. Installers must verify the backplane supports 12 Gb/s signalling; older 6 Gb/s backplanes will negotiate down automatically.

Points forts

  • 2 TB capacity stores large datasets
  • 10,000 RPM spindle accelerates data access
  • 12 Gb/s SAS interface sustains high throughput
  • 128 MB cache buffers frequent reads
  • 5-inch form factor fits dense server bays

Caractéristiques

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Questions sur cet article

Should I choose the 1.2 Tb capacity or a different size for my Dell R630?

The 1.2 Tb capacity provides 1200 Gb of storage in a 2.5-inch form factor; select it when your workload fits within that space and you need the 10000 Rpm speed.

What does the 10000 Rpm rotational speed mean for real-world performance?

The 10000 Rpm spindle speed lowers average rotational latency and raises sustained transfer rates, benefiting transactional workloads on the R630, R730 or R730xd.

What does the 12 Gb/S Sas interface cap in practice?

The 12 Gb/S Sas link supports up to 12 Gb/s per lane, and the 128 Mb cache helps absorb bursts so the drive can sustain throughput close to that limit.

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