Product comparison · 2 internal hard drives

Dell 400-19339 internal hard drive vs Samsung Spinpoint M HM640JI internal hard drive

Key differences

HDD capacity
- 400-19339 internal hard drive:300 GB
- Spinpoint M HM640JI internal hard drive:640 GB
HDD speed
- 400-19339 internal hard drive:15000 RPM
- Spinpoint M HM640JI internal hard drive:5400 RPM
HDD size
- 400-19339 internal hard drive:3.5"
- Spinpoint M HM640JI internal hard drive:2.5"
Interface
- 400-19339 internal hard drive:SAS
- Spinpoint M HM640JI internal hard drive:Serial ATA
Operating voltage
- 400-19339 internal hard drive:5 / 12 V
- Spinpoint M HM640JI internal hard drive:5 V

Differences highlightedShow differences only

Comparison of 400-19339, HM640JI
28 specifications	A Dell 400-19339 internal hard drive Model 400-19339 View product	B Samsung Spinpoint M HM640JI internal hard drive Model HM640JI View product
Features4 differ
HDD capacityDiffers	300 GB	640 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
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
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
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 vibrationKnown for one	Unknown — not stated by the source	1.5 G
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	325 G
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	100.3 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	119 g

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.