Product comparison · 2 internal hard drives

Dell DRK1J internal hard drive vs Seagate Desktop HDD ST3750640NS-RF internal hard drive

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  • 6specifications compared
  • 4differ
  • 2identical
  • 16known for one product only

Key differences

The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 500 GB more HDD capacity than the Dell DRK1J internal hard drive (750 GB vs 250 GB). The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 1" more HDD size than the Dell DRK1J internal hard drive (3.5" vs 2.5"). Interface: Serial ATA on the Dell DRK1J internal hard drive, Serial ATA II on the Seagate Desktop HDD ST3750640NS-RF internal hard drive. Operating voltage: 5 V on the Dell DRK1J internal hard drive, 5 / 12 V on the Seagate Desktop HDD ST3750640NS-RF internal hard drive.

  • HDD capacity
    • DRK1J internal hard drive:250 GB
    • Desktop HDD ST3750640NS-RF internal hard drive:750 GB
  • HDD size
    • DRK1J internal hard drive:2.5"
    • Desktop HDD ST3750640NS-RF internal hard drive:3.5"
  • Interface
    • DRK1J internal hard drive:Serial ATA
    • Desktop HDD ST3750640NS-RF internal hard drive:Serial ATA II
  • Operating voltage
    • DRK1J internal hard drive:5 V
    • Desktop HDD ST3750640NS-RF internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only (off)
Comparison of DRK1J, ST3750640NS-RF
22 specifications
Features3 differ
HDD capacityDiffers250 GB750 GB
HDD speed7200 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSerial ATASerial ATA II
TypeHDDHDD
Storage drive buffer sizeKnown for oneUnknown — not stated by the source16 MB
Read seek timeKnown for oneUnknown — not stated by the source8.5 ms
Write seek timeKnown for oneUnknown — not stated by the source9.5 ms
Track to track seek timeKnown for oneUnknown — not stated by the source0.8 ms
Average latencyKnown for oneUnknown — not stated by the source4.16 ms
Bytes per sectorKnown for oneUnknown — not stated by the source512
Component forKnown for oneServer/workstationUnknown — not stated by the source
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for oneUnknown — not stated by the source2.8 A
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source5 - 55 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-40 - 70 °C
Operating shockKnown for oneUnknown — not stated by the source63 G
Non-operating shockKnown for oneUnknown — not stated by the source225 G
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source101.6 mm
DepthKnown for oneUnknown — not stated by the source147 mm
HeightKnown for oneUnknown — not stated by the source26.1 mm
WeightKnown for oneUnknown — not stated by the source720 g

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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