Lenovo 4TB 3.5" 7.2K SAS 6Gbps vs Seagate 3TB HDD SATA

Comparison of 4TB 3.5" 7.2K SAS 6Gbps, 3TB HDD SATA

30 specifications	A Lenovo 4TB 3.5" 7.2K SAS 6GbpsView product	B Seagate 3TB HDD SATAView product
Features2 differ
HDD capacityDiffers	4 TB	3 TB
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	64 MB
Write speedKnown for one	—Unknown — not stated by the source	146 MB/s
Read speedKnown for one	—Unknown — not stated by the source	180 MB/s
HDD number of headsKnown for one	—Unknown — not stated by the source	8
Read seek timeKnown for one	—Unknown — not stated by the source	12 ms
Write seek timeKnown for one	—Unknown — not stated by the source	12 ms
Average latencyKnown for one	—Unknown — not stated by the source	5.1 ms
Bytes per sectorKnown for one	—Unknown — not stated by the source	4096
Start/stop cyclesKnown for one	—Unknown — not stated by the source	300000
Poweridentical
Power consumption (typical)Known for one	—Unknown — not stated by the source	7.5 W
Power consumption (standby)Known for one	—Unknown — not stated by the source	0.75 W
Power consumption (PowerSave)Known for one	—Unknown — not stated by the source	0.75 W
Power consumption (idle)Known for one	—Unknown — not stated by the source	5 W
Start-up currentKnown for one	—Unknown — not stated by the source	2 A
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 shockKnown for one	—Unknown — not stated by the source	80 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	101.6 mm
DepthKnown for one	—Unknown — not stated by the source	147 mm
HeightKnown for one	—Unknown — not stated by the source	26.1 mm
WeightKnown for one	—Unknown — not stated by the source	610 g
Packaging dataidentical
Quantity per packKnown for one	1 pc(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.