Product comparison · 2 internal hard drives

Origin Storage 1TB Latitude E6540 vs Origin Storage 1TB HDD for Latitude E6540

Key differences

HDD speed
- 1TB Latitude E6540:5400 RPM
- 1TB HDD for Latitude E6540:7200 RPM
Storage drive buffer size
- 1TB Latitude E6540:8 MB
- 1TB HDD for Latitude E6540:32 MB
Average latency
- 1TB Latitude E6540:5.6 ms
- 1TB HDD for Latitude E6540:4.2 ms
Power consumption (idle)
- 1TB Latitude E6540:0.7 W
- 1TB HDD for Latitude E6540:1 W
Power consumption (read)
- 1TB Latitude E6540:2.2 W
- 1TB HDD for Latitude E6540:1.8 W
Power consumption (write)
- 1TB Latitude E6540:2.2 W
- 1TB HDD for Latitude E6540:1.8 W
Width
- 1TB Latitude E6540:69.8 mm
- 1TB HDD for Latitude E6540:70 mm

Differences highlightedShow differences only

Comparison of DELL-1000S/5-NB71, DELL-1000S/7-NB71
42 specifications	A Origin Storage 1TB Latitude E6540 Model DELL-1000S/5-NB71 View product	B Origin Storage 1TB HDD for Latitude E6540 Model DELL-1000S/7-NB71 View product
Features3 differ
HDD speedDiffers	5400 RPM	7200 RPM
Storage drive buffer sizeDiffers	8 MB	32 MB
Access timeKnown for one	Unknown — not stated by the source	13 ms
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Full stroke seek timeKnown for one	Unknown — not stated by the source	20 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1 ms
Average latencyDiffers	5.6 ms	4.2 ms
Power3 differ
Power consumption (idle)Differs	0.7 W	1 W
Power consumption (read)Differs	2.2 W	1.8 W
Power consumption (write)Differs	2.2 W	1.8 W
Start-up currentKnown for one	Unknown — not stated by the source	5.5 A
Operational conditionsidentical
Operating shockKnown for one	Unknown — not stated by the source	225 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-400 - 15000 m	Unknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers	69.8 mm	70 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
Other featuresidentical
Drive ready timeKnown for one	4 s	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.