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Product comparison · 2 internal hard drives

Seagate BARRACUDA 7200.8 300GB vs Seagate K HDFireb3 40GBATA133 5400rpm 20pk bulk

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  • 10specifications compared
  • 7differ
  • 3identical
  • 5known for one product only

Key differences

The Seagate BARRACUDA 7200.8 300GB has 260 GB more HDD capacity than the Seagate K HDFireb3 40GBATA133 5400rpm 20pk bulk (300 GB vs 40 GB). The Seagate BARRACUDA 7200.8 300GB has 1,800 RPM more HDD speed than the Seagate K HDFireb3 40GBATA133 5400rpm 20pk bulk (7200 RPM vs 5400 RPM). The Seagate BARRACUDA 7200.8 300GB has 6 MB more storage drive buffer size than the Seagate K HDFireb3 40GBATA133 5400rpm 20pk bulk (8 MB vs 2 MB). Interface: Serial ATA on the Seagate BARRACUDA 7200.8 300GB, Ultra-ATA/133 on the Seagate K HDFireb3 40GBATA133 5400rpm 20pk bulk. Dimensions (WxDxH): 146.99 x 101.6 x 26.11 mm on the Seagate BARRACUDA 7200.8 300GB, 102 x 147 x 17.5 mm on the Seagate K HDFireb3 40GBATA133 5400rpm 20pk bulk.

  • HDD capacity
    • 300 GB
    • 40 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Serial ATA
    • Ultra-ATA/133
  • Storage drive buffer size
    • 8 MB
    • 2 MB
  • Average latency
    • 4.16 ms
    • 5.5 ms
  • Weight
    • 635 g
    • 509 g
  • Dimensions (WxDxH)
    • 146.99 x 101.6 x 26.11 mm
    • 102 x 147 x 17.5 mm

Side by side

Differences highlightedShow differences only
15 specifications
A

Seagate

BARRACUDA 7200.8 300GBView product
B

Seagate

K HDFireb3 40GBATA133 5400rpm 20pk bulkView product
Features5 differ
HDD capacityDiffers300 GB40 GB
HDD speedDiffers7200 RPM5400 RPM
HDD size3.5"3.5"
InterfaceDiffersSerial ATAUltra-ATA/133
Storage drive buffer sizeDiffers8 MB2 MB
HDD number of headsKnown for one16
Average seek timeKnown for one12 ms
Average latencyDiffers4.16 ms5.5 ms
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 60 °C
Weight & dimensions1 differ
WeightDiffers635 g509 g
Other features1 differ
Power requirementsKnown for one+5V, +12V
Dimensions (WxDxH)Differs146.99 x 101.6 x 26.11 mm102 x 147 x 17.5 mm
InternalYesYes
HDD transfer rateKnown for one150 Mbit/s

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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