Product comparison · 2 internal hard drives

Seagate 1000GB HDD vs Seagate SV35.3 250 GB SATA 3Gb/s 20pk

11specifications compared
8differ
3identical
17known for one product only

Key differences

HDD capacity
- 1000GB HDD:1 TB
- SV35.3 250 GB SATA 3Gb/s 20pk:250 GB
Interface
- 1000GB HDD:SAS
- SV35.3 250 GB SATA 3Gb/s 20pk:Serial ATA
Component for
- 1000GB HDD:Server/workstation
- SV35.3 250 GB SATA 3Gb/s 20pk:Surveillance system
Storage drive buffer size
- 1000GB HDD:16 MB
- SV35.3 250 GB SATA 3Gb/s 20pk:8 MB
Read seek time
- 1000GB HDD:8.5 ms
- SV35.3 250 GB SATA 3Gb/s 20pk:14 ms
Write seek time
- 1000GB HDD:9.5 ms
- SV35.3 250 GB SATA 3Gb/s 20pk:15 ms
Height
- 1000GB HDD:26.1 mm
- SV35.3 250 GB SATA 3Gb/s 20pk:20.2 mm
Weight
- 1000GB HDD:530 g
- SV35.3 250 GB SATA 3Gb/s 20pk:382 g

Side by side

Differences highlightedShow differences only

Comparison of 1000GB HDD, SV35.3 250 GB SATA 3Gb/s 20pk
28 specifications	A Seagate 1000GB HDD View product	B Seagate SV35.3 250 GB SATA 3Gb/s 20pk View product
Features6 differ
HDD capacityDiffers	1 TB	250 GB
InterfaceDiffers	SAS	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Component forDiffers	Server/workstation	Surveillance system
Storage drive buffer sizeDiffers	16 MB	8 MB
Read seek timeDiffers	8.5 ms	14 ms
Write seek timeDiffers	9.5 ms	15 ms
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Poweridentical
Power consumption (typical)Known for one	13 W	Unknown — not stated by the source
Power consumption (idle)Known for one	10.2 W	Unknown — not stated by the source
Start-up currentKnown for one	3 A	Unknown — not stated by the source
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating vibrationKnown for one	12.5 G	Unknown — not stated by the source
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 & dimensions2 differ
HeightDiffers	26.1 mm	20.2 mm
WeightDiffers	530 g	382 g
Other featuresidentical
Acoustic pressure emissionsKnown for one	0.27 dB	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes

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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