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A 2.5 inch internal hard drive with a silver metal casing and SAS connector

DELL

DELL ST91000640SSProduct 1TB SAS 7200RPM 2.5" 64MB cache internal hard drive

SKU CH-T8RQ-HH1HY MPN ST91000640SSProduct

A 1 TB internal hard drive with a SAS 6Gb/s interface, 7200 RPM spindle speed and 64 MB cache in a 2.5 inch form factor

  • InterfaceSAS 6Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache64MB
  • Average Seek Time8ms
  • Form Factor2.5"
  • 1TB capacity for large data sets
  • 7200 RPM spindle speed for responsive access
  • SAS 6Gb/s interface for reliable throughput
  • 64MB cache to smooth burst workloads
  • 5" form factor fits dense storage arrays

1 TB NL-SAS drive for Dell storage arrays

This 2.5" hard drive provides 1 TB of capacity at 7200 RPM with a 64 MB cache and a 6 Gb/s SAS interface. It is built for internal use in compatible Dell systems. The part number is ST91000640SSProduct and the Dell part number is VXTPX.

Suits admins expanding SC-series arrays.

The drive is validated for Dell Storage SCv2000, SCv3000 and SC4000 systems. Buyers whose servers or workstations lack a 6 Gb/s SAS backplane or controller cannot install this drive. It is also unsuitable for anyone needing a larger capacity than 1 TB.

Deciding spec: 6 Gb/s SAS interface

The drive communicates over a Near Line SAS link at 6 Gb/s. If the target chassis or controller does not support this exact interface, the drive will not function. Confirm SAS compatibility before purchase.

Highlights

  • 1TB capacity for large data sets
  • 7200 RPM spindle speed for responsive access
  • SAS 6Gb/s interface for reliable throughput
  • 64MB cache to smooth burst workloads
  • 5" form factor fits dense storage arrays

Specifications

BrandDell
Part NumberVXTPX
InterfaceSAS 6Gb/s
Capacity1TB
RPM7200 RPM
Cache64MB
Average Seek Time8ms
Form Factor2.5"

Questions about this item

Is the 1TB capacity the only option for this NL-SAS drive?

This drive is offered in a single 1TB capacity with a 64MB cache and 7200 RPM spindle speed.

How does the 7200 RPM spindle speed affect performance in a Dell storage array?

The 7200 RPM rotation provides near-line performance with an 8ms average seek time, suited for capacity-oriented workloads on compatible Dell SC series arrays.

What does the 6Gb/s SAS interface limit in a real deployment?

The SAS 6Gb/s interface caps the maximum host transfer rate at 6Gb/s and requires a compatible SAS backplane or controller to operate.

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