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Product comparison · 2 internal hard drives

Acer 146GB Ultra320 SCSI hard disk vs Seagate Barracuda ES SATA 3.0Gb/s 500-GB 20pk

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  • 4specifications compared
  • 3differ
  • 1identical
  • 22known for one product only

Key differences

The Seagate Barracuda ES SATA 3.0Gb/s 500-GB 20pk has 354 GB more HDD capacity than the Acer 146GB Ultra320 SCSI hard disk (500 GB vs 146 GB). The Acer 146GB Ultra320 SCSI hard disk has 2,800 RPM more HDD speed than the Seagate Barracuda ES SATA 3.0Gb/s 500-GB 20pk (10000 RPM vs 7200 RPM). Interface: Ultra320 SCSI on the Acer 146GB Ultra320 SCSI hard disk, Serial ATA II on the Seagate Barracuda ES SATA 3.0Gb/s 500-GB 20pk.

  • HDD capacity
    • 146 GB
    • 500 GB
  • HDD speed
    • 10000 RPM
    • 7200 RPM
  • Interface
    • Ultra320 SCSI
    • Serial ATA II

Side by side

Differences highlightedShow differences only
26 specifications
A

Acer

146GB Ultra320 SCSI hard diskView product
B

Seagate

Barracuda ES SATA 3.0Gb/s 500-GB 20pkView product
Features3 differ
HDD capacityDiffers146 GB500 GB
HDD speedDiffers10000 RPM7200 RPM
HDD sizeKnown for one3.5"
InterfaceDiffersUltra320 SCSISerial ATA II
Storage drive buffer sizeKnown for one16 MB
Read seek timeKnown for one9.5 ms
Write seek timeKnown for one8.5 ms
Track to track seek timeKnown for one0.8 ms
Average latencyKnown for one4.16 ms
Bytes per sectorKnown for one512
Poweridentical
Operating voltageKnown for one5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 55 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating altitudeKnown for one-60.96 - 3048 m
Non-operating altitudeKnown for one-60.96 - 12192 m
Operating shockKnown for one63 G
Non-operating shockKnown for one225 G
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one720 g
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
Sustained data rateKnown for one72 MB/s
Number of pinsKnown for one68
Compatible productsKnown for oneAltos G320

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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