Product comparison · 2 internal hard drives

Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk vs Seagate ST9160824AS - Momentus

16specifications compared
12differ
4identical
13known for one product only

Key differences

The Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk has 1,800 RPM more HDD speed than the Seagate ST9160824AS - Momentus (7200 RPM vs 5400 RPM). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk has 1" more HDD size than the Seagate ST9160824AS - Momentus (3.5" vs 2.5"). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk has 24 MB more storage drive buffer size than the Seagate ST9160824AS - Momentus (32 MB vs 8 MB). HDD capacity: 1 TB on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk, 160 GB on the Seagate ST9160824AS - Momentus. Operating voltage: 5 / 12 V on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk, 5 V on the Seagate ST9160824AS - Momentus.

HDD capacity
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:1 TB
- ST9160824AS - Momentus:160 GB
HDD speed
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:7200 RPM
- ST9160824AS - Momentus:5400 RPM
HDD size
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:3.5"
- ST9160824AS - Momentus:2.5"
Storage drive buffer size
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:32 MB
- ST9160824AS - Momentus:8 MB
Read seek time
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:8.5 ms
- ST9160824AS - Momentus:12.5 ms
Average latency
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:4.16 ms
- ST9160824AS - Momentus:5.6 ms
Operating voltage
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:5 / 12 V
- ST9160824AS - Momentus:5 V
Operating temperature (T-T)
- Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk:5 - 55 °C
- ST9160824AS - Momentus:0 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk, ST9160824AS - Momentus
29 specifications	A Seagate Barracuda ES.2 SATA 3.0-Gb/s 1-TB HD 20pk View product	B Seagate ST9160824AS - Momentus View product
Features6 differ
HDD capacityDiffers	1 TB	160 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Storage drive buffer sizeDiffers	32 MB	8 MB
Read seek timeDiffers	8.5 ms	12.5 ms
Write seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	5.6 ms
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	530 g	220 g
Other featuresidentical
HDD transfer rateKnown for one	1287 Mbit/s	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Sustained data rateKnown for one	105 MB/s	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows Vista
Maximum data transfer rateKnown for one	Unknown — not stated by the source	150 Mbit/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	26 dB

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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