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Product comparison · 2 internal hard drives

Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB vs Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk

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  • 14specifications compared
  • 10differ
  • 4identical
  • 25known for one product only

Key differences

The Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk has 24 MB more storage drive buffer size than the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB (32 MB vs 8 MB). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk has 0.6 ms more track to track seek time than the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB (0.8 ms vs 0.2 ms). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk has 1.17 ms more average latency than the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB (4.16 ms vs 2.99 ms). HDD capacity: 300 GB on the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB, 1 TB on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk. Interface: Ultra320 SCSI on the Fujitsu Enterprise Ultra320 SCSI Hard Drive - 300GB, Serial ATA on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk.

  • HDD capacity
    • 300 GB
    • 1 TB
  • Interface
    • Ultra320 SCSI
    • Serial ATA
  • Storage drive buffer size
    • 8 MB
    • 32 MB
  • Track to track seek time
    • 0.2 ms
    • 0.8 ms
  • Average latency
    • 2.99 ms
    • 4.16 ms
  • Operating shock
    • 65 G
    • 63 G
  • Non-operating shock
    • 225 G
    • 300 G
  • Weight
    • 750 g
    • 530 g

Side by side

Differences highlightedShow differences only
39 specifications
A

Fujitsu

Enterprise Ultra320 SCSI Hard Drive - 300GBView product
B

Seagate

Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pkView product
Features5 differ
HDD capacityDiffers300 GB1 TB
InterfaceDiffersUltra320 SCSISerial ATA
Storage drive buffer sizeDiffers8 MB32 MB
HDD number of headsKnown for one8
Full stroke seek timeKnown for one10.00 ms
Track to track seek timeDiffers0.2 ms0.8 ms
Average seek timeKnown for one4.5 ms
Average latencyDiffers2.99 ms4.16 ms
Bytes per sector512512
Mean time between failures (MTBF)1200000 h1200000 h
HDD speedKnown for one7200 RPM
HDD sizeKnown for one3.5"
Read seek timeKnown for one8.5 ms
Write seek timeKnown for one9.5 ms
Poweridentical
Power consumption (typical)Known for one5 W
Operating voltageKnown for one5 / 12 V
Operational conditions2 differ
Operating temperature (T-T)5 - 55 °C5 - 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 shockDiffers65 G63 G
Non-operating shockDiffers225 G300 G
Storage temperature (T-T)Known for one-40 - 70 °C
Weight & dimensions1 differ
WeightDiffers750 g530 g
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
Other features2 differ
HDD transfer rateDiffers132 Mbit/s1287 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
USB poweredKnown for oneNo
Sustained data rateKnown for one105 MB/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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