Product comparison · 2 internal hard drives

Seagate 1TB SSHD vs Seagate 4TB SATA 6Gb/s

Key differences

Differences highlightedShow differences only

Comparison of 1TB SSHD, 4TB SATA 6Gb/s
25 specifications	A Seagate 1TB SSHD View product	B Seagate 4TB SATA 6Gb/s View product
Features4 differ
HDD capacityDiffers	1 TB	4 TB
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Interface	Serial ATA III	Serial ATA III
TypeKnown for one	Unknown — not stated by the source	Hybrid-HDD
Storage drive buffer size	64 MB	64 MB
HDD number of headsDiffers	4.2	8
Read seek time	12 ms	12 ms
Write seek timeDiffers	14 ms	12 ms
Bytes per sector	4096	4096
Start/stop cyclesDiffers	600000	300000
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	2.7 W	7.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (idle)Differs	0.9 W	6.2 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shockKnown for one	3500 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.3 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	115 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.