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Product comparison · 2 internal hard drives

Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB vs Seagate 3.5" 320 GB SATA

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  • 8specifications compared
  • 7differ
  • 1identical
  • 26known for one product only

Key differences

The Seagate 3.5" 320 GB SATA has 20 GB more HDD capacity than the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB (320 GB vs 300 GB). The Seagate 3.5" 320 GB SATA has 8 MB more storage drive buffer size than the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB (16 MB vs 8 MB). The Seagate 3.5" 320 GB SATA has 1.17 ms more average latency than the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB (4.16 ms vs 2.99 ms). Interface: Ultra320 SCSI on the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB, Serial ATA II on the Seagate 3.5" 320 GB SATA.

  • HDD capacity
    • 300 GB
    • 320 GB
  • Interface
    • Ultra320 SCSI
    • Serial ATA II
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Average latency
    • 2.99 ms
    • 4.16 ms
  • Mean time between failures (MTBF)
    • 1200000 h
    • 700000 h
  • Weight
    • 750 g
    • 635 g
  • Data transfer rate
    • 2 Gbit/s
    • 3 Gbit/s

Side by side

Differences highlightedShow differences only
34 specifications
A

Fujitsu

Enterprise Ultra320 SCSI Hard Drive - 300GBView product
B

Seagate

3.5" 320 GB SATAView product
Features5 differ
HDD capacityDiffers300 GB320 GB
InterfaceDiffersUltra320 SCSISerial ATA II
Storage drive buffer sizeDiffers8 MB16 MB
HDD number of headsKnown for one8
Full stroke seek timeKnown for one10.00 ms
Track to track seek timeKnown for one0.2 ms
Average seek timeKnown for one4.5 ms
Average latencyDiffers2.99 ms4.16 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Differs1200000 h700000 h
HDD speedKnown for one7200 RPM
HDD sizeKnown for one3.5"
Poweridentical
Power consumption (typical)Known for one5 W
Operating voltageKnown for one5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 55 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one0.6 G
Non-operating vibrationKnown for one3.1 G
Operating altitudeKnown for one0 - 3048 m
Non-operating altitudeKnown for one0 - 12192 m
Operating shockKnown for one65 G
Non-operating shockKnown for one225 G
Weight & dimensions1 differ
WeightDiffers750 g635 g
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
Other features1 differ
HDD transfer rateKnown for one132 Mbit/s
Dimensions (WxDxH)Known for one101.6 x 146 x 25.4 mm
Product colourKnown for oneBlack
Data transfer rateDiffers2 Gbit/s3 Gbit/s
Disks included quantityKnown for one4 pc(s)
Interface typeKnown for oneSCA-2/FC-AL
InternalYesYes

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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