Product comparison · 2 internal hard drives

Dell 320GB SATA II vs HP 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive

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  • 7specifications compared
  • 6differ
  • 1identical
  • 4known for one product only

Key differences

The HP 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive has 1,800 RPM more HDD speed than the Dell 320GB SATA II (7200 RPM vs 5400 RPM). The HP 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive has 1" more HDD size than the Dell 320GB SATA II (3.5" vs 2.5"). The HP 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive has 3 Gbit/s more data transfer rate than the Dell 320GB SATA II (6 Gbit/s vs 3 Gbit/s). HDD capacity: 320 GB on the Dell 320GB SATA II, 3 TB on the HP 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive. Interface: Serial ATA II on the Dell 320GB SATA II, SAS on the HP 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive.

  • HDD capacity
    • 320GB SATA II:320 GB
    • 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:3 TB
  • HDD speed
    • 320GB SATA II:5400 RPM
    • 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:7200 RPM
  • HDD size
    • 320GB SATA II:2.5"
    • 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:3.5"
  • Interface
    • 320GB SATA II:Serial ATA II
    • 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:SAS
  • Operating voltage
    • 320GB SATA II:5 V
    • 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:5 / 12 V
  • Data transfer rate
    • 320GB SATA II:3 Gbit/s
    • 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:6 Gbit/s

Side by side

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Comparison of 320GB SATA II, 3TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive
11 specifications
Features4 differ
HDD capacityDiffers320 GB3 TB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSerial ATA IISAS
TypeHDDHDD
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source105.8 mm
DepthKnown for oneUnknown — not stated by the source26.8 mm
HeightKnown for oneUnknown — not stated by the source170 mm
Other features1 differ
Data transfer rateDiffers3 Gbit/s6 Gbit/s
Packaging dataidentical
Quantity per packKnown for one1 pc(s)Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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