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Product comparison · 2 internal hard drives

Acer 450GB SAS Hot Swap 15K rpm HDD vs Acer SATA II HDD 640GB 7.2K

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  • 6specifications compared
  • 5differ
  • 1identical
  • 2known for one product only

Key differences

The Acer SATA II HDD 640GB 7.2K has 190 GB more HDD capacity than the Acer 450GB SAS Hot Swap 15K rpm HDD (640 GB vs 450 GB). The Acer 450GB SAS Hot Swap 15K rpm HDD has 7,800 RPM more HDD speed than the Acer SATA II HDD 640GB 7.2K (15000 RPM vs 7200 RPM). The Acer SATA II HDD 640GB 7.2K 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 Acer SATA II HDD 640GB 7.2K. Operating voltage: 5 V on the Acer 450GB SAS Hot Swap 15K rpm HDD, 5 / 12 V on the Acer SATA II HDD 640GB 7.2K.

  • HDD capacity
    • 450 GB
    • 640 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
8 specifications
A

Acer

450GB SAS Hot Swap 15K rpm HDDView product
B

Acer

SATA II HDD 640GB 7.2KView product
Features4 differ
HDD capacityDiffers450 GB640 GB
HDD speedDiffers15000 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSASSerial ATA II
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Other featuresidentical
Hot-Plug supportKnown for oneYes
Compatible productsKnown for oneG330, G540, R720, R5250

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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