Acer SATA HDD 320GB 5.4k Hot Swap vs Samsung Spinpoint M HM320II internal hard drive

Comparison of SATA HDD 320GB 5.4k Hot Swap, HM320II

35 specifications	A Acer SATA HDD 320GB 5.4k Hot SwapView product	B Samsung Spinpoint M HM320II internal hard drive Model HM320II View product
Features1 differ
HDD capacity	320 GB	320 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
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
Average seek timeKnown for one	—Unknown — not stated by the source	12 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	2.5 W
Power consumption (standby)Known for one	—Unknown — not stated by the source	0.25 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	—Unknown — not stated by the source	1 A
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
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	8 - 90%
Storage relative humidity (H-H)Known for one	—Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	—Unknown — not stated by the source	1.5 Grms
Operating altitudeKnown for one	—Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	—Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	—Unknown — not stated by the source	400 G
Non-operating shockKnown for one	—Unknown — not stated by the source	900 G
Packaging contentidentical
User guideKnown for one	—Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	69.8 mm
DepthKnown for one	—Unknown — not stated by the source	100 mm
HeightKnown for one	—Unknown — not stated by the source	9.5 mm
WeightKnown for one	—Unknown — not stated by the source	105 g
Other featuresidentical
Power requirementsKnown for one	—Unknown — not stated by the source	+5V±5%
Product colourKnown for one	—Unknown — not stated by the source	Black
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows 98/2000/XP
Drive ready timeKnown for one	—Unknown — not stated by the source	4 s
Internal	Yes	Yes
Supported data transfer ratesKnown for one	—Unknown — not stated by the source	138, 300MB/s
Acoustic pressure emissionsKnown for one	—Unknown — not stated by the source	2.6 dB
Compatible productsKnown for one	G540M2	—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.