Product comparison · 2 internal hard drives

Acer 640GB 7.2k non Hotplug SATA HDD vs Seagate Pipeline HD 1-TB

6specifications compared
3differ
3identical
17known for one product only

Key differences

HDD capacity
- 640GB 7.2k non Hotplug SATA HDD:640 GB
- Pipeline HD 1-TB:1 TB
HDD speed
- 640GB 7.2k non Hotplug SATA HDD:7200 RPM
- Pipeline HD 1-TB:5900 RPM
Interface
- 640GB 7.2k non Hotplug SATA HDD:Serial ATA
- Pipeline HD 1-TB:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of 640GB 7.2k non Hotplug SATA HDD, Pipeline HD 1-TB
23 specifications	A Acer 640GB 7.2k non Hotplug SATA HDD View product	B Seagate Pipeline HD 1-TB View product
Features3 differ
HDD capacityDiffers	640 GB	1 TB
HDD speedDiffers	7200 RPM	5900 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	14 ms
Write seek timeKnown for one	Unknown — not stated by the source	15 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.7 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 75 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.99 x 26.1 mm
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Internal	Yes	Yes
Hot-Plug supportKnown for one	No	Unknown — not stated by the source

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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