Product comparison · 2 internal hard drives

Lenovo 2TB SAS HDD vs Samsung HDD 750GB SATA

6specifications compared
4differ
2identical
29known for one product only

Key differences

HDD capacity
- 2TB SAS HDD:2 TB
- HDD 750GB SATA:750 GB
HDD size
- 2TB SAS HDD:3.5"
- HDD 750GB SATA:2.5"
Interface
- 2TB SAS HDD:SAS
- HDD 750GB SATA:Serial ATA
Operating voltage
- 2TB SAS HDD:5 / 12 V
- HDD 750GB SATA:5 V

Side by side

Differences highlightedShow differences only

Comparison of 2TB SAS HDD, HDD 750GB SATA
35 specifications	A Lenovo 2TB SAS HDD View product	B Samsung HDD 750GB SATA View product
Features3 differ
HDD capacityDiffers	2 TB	750 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Average seek timeKnown for one	Unknown — not stated by the source	8.9 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	1 W
Power consumption (read)Known for one	Unknown — not stated by the source	7.2 W
Power consumption (write)Known for one	Unknown — not stated by the source	7.2 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °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%
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-300 - 12000 m
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.5 mm
DepthKnown for one	Unknown — not stated by the source	145 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	625 g
Other featuresidentical
Ethernet LANKnown for one	Unknown — not stated by the source	No
Drive ready timeKnown for one	Unknown — not stated by the source	1 s
Fibre ChannelKnown for one	Unknown — not stated by the source	No
FireWire 400Known for one	Unknown — not stated by the source	No
FireWire 800Known for one	Unknown — not stated by the source	No
Internal	Yes	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	250 Mbit/s
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible operating systemsKnown for one	Windows XP/2000	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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