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Product comparison · 2 internal hard drives

Acer 450GB SAS Hot Swap 15K rpm HDD vs HP 320GB SATA 3Gb/s NCQ/Smart IV

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  • 6specifications compared
  • 5differ
  • 1identical
  • 15known for one product only

Key differences

The Acer 450GB SAS Hot Swap 15K rpm HDD has 130 GB more HDD capacity than the HP 320GB SATA 3Gb/s NCQ/Smart IV (450 GB vs 320 GB). The Acer 450GB SAS Hot Swap 15K rpm HDD has 7,800 RPM more HDD speed than the HP 320GB SATA 3Gb/s NCQ/Smart IV (15000 RPM vs 7200 RPM). The HP 320GB SATA 3Gb/s NCQ/Smart IV has 1" more HDD size than the Acer 450GB SAS Hot Swap 15K rpm HDD (3.5" vs 2.5"). Interface: SAS on the Acer 450GB SAS Hot Swap 15K rpm HDD, Serial ATA II on the HP 320GB SATA 3Gb/s NCQ/Smart IV. Operating voltage: 5 V on the Acer 450GB SAS Hot Swap 15K rpm HDD, 5 / 12 V on the HP 320GB SATA 3Gb/s NCQ/Smart IV.

  • HDD capacity
    • 450 GB
    • 320 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • SAS
    • Serial ATA II
  • Operating voltage
    • 5 V
    • 5 / 12 V

Side by side

Differences highlightedShow differences only
21 specifications
A

Acer

450GB SAS Hot Swap 15K rpm HDDView product
B

HP

320GB SATA 3Gb/s NCQ/Smart IVView product
Features4 differ
HDD capacityDiffers450 GB320 GB
HDD speedDiffers15000 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSASSerial ATA II
TypeKnown for oneHDD
Storage drive buffer sizeKnown for one8 MB
HDD interface transfer rateKnown for one3 Gbit/s
SMART technologyKnown for oneYes
Native Command Queuing (NCQ)Known for oneYes
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 90%
Weight & dimensionsidentical
WidthKnown for one101.6 mm
HeightKnown for one25.4 mm
WeightKnown for one998 g
Other featuresidentical
InternalYesYes
Windows operating systems supportedKnown for oneYes
Linux operating systems supportedKnown for oneYes
Hot-Plug supportKnown for oneYes

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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