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Product comparison · 2 internal hard drives

Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) vs HP 36GB, U320 SCSI, 15K Rpm

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  • 6specifications compared
  • 4differ
  • 2identical
  • 15known for one product only

Key differences

The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 84 GB more HDD capacity than the HP 36GB, U320 SCSI, 15K Rpm (120 GB vs 36 GB). The HP 36GB, U320 SCSI, 15K Rpm has 10,800 RPM more HDD speed than the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) (15000 RPM vs 4200 RPM). The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 7.5 ms more average seek time than the HP 36GB, U320 SCSI, 15K Rpm (11 ms vs 3.5 ms). Interface: Ultra-ATA/133 on the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), Ultra320 SCSI on the HP 36GB, U320 SCSI, 15K Rpm.

  • HDD capacity
    • 120 GB
    • 36 GB
  • HDD speed
    • 4200 RPM
    • 15000 RPM
  • Interface
    • Ultra-ATA/133
    • Ultra320 SCSI
  • Average seek time
    • 11 ms
    • 3.5 ms

Side by side

Differences highlightedShow differences only
21 specifications
A

Acer

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

HP

36GB, U320 SCSI, 15K RpmView product
Features4 differ
HDD capacityDiffers120 GB36 GB
HDD speedDiffers4200 RPM15000 RPM
InterfaceDiffersUltra-ATA/133Ultra320 SCSI
Storage drive buffer size8 MB8 MB
Average seek timeDiffers11 ms3.5 ms
Average latencyKnown for one7.1 ms
HDD sizeKnown for one3.5"
TypeKnown for oneHDD
Component forKnown for oneServer/workstation
Full stroke seek timeKnown for one7 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
InternalYesYes
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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