Product comparison · 2 internal hard drives

HP Promo 1TB 7200rpm SATA vs Seagate Terascale 4TB

10specifications compared
5differ
5identical
18known for one product only

Key differences

HDD capacity
- Promo 1TB 7200rpm SATA:1 TB
- Terascale 4TB:4 TB
HDD speed
- Promo 1TB 7200rpm SATA:7200 RPM
- Terascale 4TB:5900 RPM
Storage drive buffer size
- Promo 1TB 7200rpm SATA:32 MB
- Terascale 4TB:64 MB
Operating temperature (T-T)
- Promo 1TB 7200rpm SATA:5 - 55 °C
- Terascale 4TB:5 - 60 °C
Height
- Promo 1TB 7200rpm SATA:25.4 mm
- Terascale 4TB:26.1 mm

Side by side

Differences highlightedShow differences only

Comparison of Promo 1TB 7200rpm SATA, Terascale 4TB
28 specifications	A HP Promo 1TB 7200rpm SATA View product	B Seagate Terascale 4TB View product
Features3 differ
HDD capacityDiffers	1 TB	4 TB
HDD speedDiffers	7200 RPM	5900 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Storage drive buffer sizeDiffers	32 MB	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
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
SMART technology	Yes	Yes
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	800000 h
TypeKnown for one	HDD	Unknown — not stated by the source
Full stroke seek timeKnown for one	21 ms	Unknown — not stated by the source
Average latencyKnown for one	11 ms	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	6.49 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.77 W
Power consumption (idle)Known for one	Unknown — not stated by the source	4.59 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 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%
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	101.8 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightKnown for one	Unknown — not stated by the source	606 g
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/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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