Product comparison · 2 internal hard drives

Hypertec 300GB U320 SCSI HDD vs Hypertec 640GB SATA 2.5"

Key differences

Differences highlightedShow differences only

Comparison of 300GB U320 SCSI HDD, 640GB SATA 2.5"
9 specifications	A Hypertec 300GB U320 SCSI HDD View product	B Hypertec 640GB SATA 2.5"View product
Features4 differ
HDD capacityDiffers	300 GB	640 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Other featuresidentical
Drive device, transfer rateKnown for one	320 MB/s	Unknown — not stated by the source
Internal	Yes	Yes
Compatible productsKnown for one	Unknown — not stated by the source	Acer Travelmate 3200

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.