Product comparison · 2 internal hard drives

Buffalo OP/LS 4.0TB vs Seagate 4TB SATA 6Gb/s

Key differences

Differences highlightedShow differences only

Comparison of OP/LS 4.0TB, 4TB SATA 6Gb/s
22 specifications	A Buffalo OP/LS 4.0TB View product	B Seagate 4TB SATA 6Gb/s View product
Features2 differ
HDD capacity	4 TB	4 TB
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA III
TypeDiffers	HDD	Hybrid-HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
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
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 (idle)Known for one	Unknown — not stated by the source	6.2 W
Operating voltage	5 / 12 V	5 / 12 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
Weight & dimensions4 differ
WidthDiffers	105 mm	101.6 mm
DepthDiffers	30 mm	147 mm
HeightDiffers	170 mm	26.1 mm
WeightDiffers	700 g	610 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Flash memoryKnown for one	Unknown — not stated by the source	8192 MB

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.