Product comparison · 2 internal hard drives

Acer Hard disk U320 36GB 15K rpm 80 pin incl. carrier vs Seagate Momentus 5400.2 40GB

5specifications compared
4differ
1identical
18known for one product only

Key differences

The Seagate Momentus 5400.2 40GB has 4 GB more HDD capacity than the Acer Hard disk U320 36GB 15K rpm 80 pin incl. carrier (40 GB vs 36 GB). The Acer Hard disk U320 36GB 15K rpm 80 pin incl. carrier has 9,600 RPM more HDD speed than the Seagate Momentus 5400.2 40GB (15000 RPM vs 5400 RPM). The Acer Hard disk U320 36GB 15K rpm 80 pin incl. carrier has 220 MB/s more drive device, transfer rate than the Seagate Momentus 5400.2 40GB (320 MB/s vs 100 MB/s). Interface: SCSI on the Acer Hard disk U320 36GB 15K rpm 80 pin incl. carrier, Ultra-ATA/133 on the Seagate Momentus 5400.2 40GB.

HDD capacity
- Hard disk U320 36GB 15K rpm 80 pin incl. carrier:36 GB
- Momentus 5400.2 40GB:40 GB
HDD speed
- Hard disk U320 36GB 15K rpm 80 pin incl. carrier:15000 RPM
- Momentus 5400.2 40GB:5400 RPM
Interface
- Hard disk U320 36GB 15K rpm 80 pin incl. carrier:SCSI
- Momentus 5400.2 40GB:Ultra-ATA/133
Drive device, transfer rate
- Hard disk U320 36GB 15K rpm 80 pin incl. carrier:320 MB/s
- Momentus 5400.2 40GB:100 MB/s

Side by side

Differences highlightedShow differences only

Comparison of Hard disk U320 36GB 15K rpm 80 pin incl. carrier, Momentus 5400.2 40GB
23 specifications	A Acer Hard disk U320 36GB 15K rpm 80 pin incl. carrier View product	B Seagate Momentus 5400.2 40GB View product
Features3 differ
HDD capacityDiffers	36 GB	40 GB
HDD speedDiffers	15000 RPM	5400 RPM
InterfaceDiffers	SCSI	Ultra-ATA/133
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	0.8 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.28 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	100 g
Other features1 differ
Drive device, transfer rateDiffers	320 MB/s	100 MB/s
External power adapterKnown for one	Unknown — not stated by the source	No
Internal	Yes	Yes
Mac compatibilityKnown for one	Unknown — not stated by the source	No
USB poweredKnown for one	Unknown — not stated by the source	No
Number of pinsKnown for one	80	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.

More internal hard drive comparisons

All internal hard drive comparisons