Product comparison · 2 internal hard drives

Seagate 1.5TB 2.5" vs Seagate 8TB SATA

17specifications compared
12differ
5identical
21known for one product only

Key differences

HDD capacity
- 1.5TB 2.5":1.5 TB
- 8TB SATA:8 TB
HDD speed
- 1.5TB 2.5":5400 RPM
- 8TB SATA:7200 RPM
HDD size
- 1.5TB 2.5":2.5"
- 8TB SATA:3.5"
Power consumption (standby)
- 1.5TB 2.5":0.18 W
- 8TB SATA:0.6 W
Power consumption (idle)
- 1.5TB 2.5":0.7 W
- 8TB SATA:7.6 W
Operating voltage
- 1.5TB 2.5":5 V
- 8TB SATA:5 / 12 V
Start-up current
- 1.5TB 2.5":1 A
- 8TB SATA:1.8 A
Operating temperature (T-T)
- 1.5TB 2.5":0 - 60 °C
- 8TB SATA:5 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of 1.5TB 2.5", 8TB SATA
38 specifications	A Seagate 1.5TB 2.5"View product	B Seagate 8TB SATA View product
Features3 differ
HDD capacityDiffers	1.5 TB	8 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component forKnown for one	Laptop	Unknown — not stated by the source
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	256 MB
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Start/stop cyclesKnown for one	Unknown — not stated by the source	300000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Power4 differ
Power consumption (standby)Differs	0.18 W	0.6 W
Power consumption (idle)Differs	0.7 W	7.6 W
Power consumption (read)Known for one	2.3 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.3 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentDiffers	1 A	1.8 A
Power consumption (typical)Known for one	Unknown — not stated by the source	9 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.6 W
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-304.8 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	300 G	Unknown — not stated by the source
Non-operating shockKnown for one	900 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.8 mm
DepthDiffers	100.3 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	130 g	780 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
Drive ready timeKnown for one	0.35 s	Unknown — not stated by the source
Logistics dataidentical
Master (outer) cases per palletKnown for one	Unknown — not stated by the source	40 pc(s)

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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