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Product comparison · 2 internal hard drives

Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) vs HP 73GB U320 SCSI 10K Rpm hard disk drive

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  • 5specifications compared
  • 4differ
  • 1identical
  • 14known for one product only

Key differences

The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 47 GB more HDD capacity than the HP 73GB U320 SCSI 10K Rpm hard disk drive (120 GB vs 73 GB). The HP 73GB U320 SCSI 10K Rpm hard disk drive has 5,800 RPM more HDD speed than the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) (10000 RPM vs 4200 RPM). The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 6.1 ms more average seek time than the HP 73GB U320 SCSI 10K Rpm hard disk drive (11 ms vs 4.9 ms). Interface: Ultra-ATA/133 on the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), Ultra320 SCSI on the HP 73GB U320 SCSI 10K Rpm hard disk drive.

  • HDD capacity
    • 120 GB
    • 73 GB
  • HDD speed
    • 4200 RPM
    • 10000 RPM
  • Interface
    • Ultra-ATA/133
    • Ultra320 SCSI
  • Average seek time
    • 11 ms
    • 4.9 ms

Side by side

Differences highlightedShow differences only
19 specifications
A

Acer

120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option)View product
B

HP

73GB U320 SCSI 10K Rpm hard disk driveView product
Features4 differ
HDD capacityDiffers120 GB73 GB
HDD speedDiffers4200 RPM10000 RPM
InterfaceDiffersUltra-ATA/133Ultra320 SCSI
Storage drive buffer sizeKnown for one8 MB
Average seek timeDiffers11 ms4.9 ms
Average latencyKnown for one7.1 ms
HDD sizeKnown for one3.5"
Full stroke seek timeKnown for one9.2 ms
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 55 °C
Storage temperature (T-T)Known for one-40 - 65 °C
Weight & dimensionsidentical
WidthKnown for one70 mm
DepthKnown for one100 mm
HeightKnown for one9.5 mm
WeightKnown for one99 g
Other featuresidentical
Dimensions (WxDxH)Known for one70 x 100 x 9.5 mm
Drive device, transfer rateKnown for one380 MB/s
Maximum data transfer rateKnown for one320 Mbit/s
Poweridentical
Operating voltageKnown for one5 / 12 V

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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