Product comparison · 2 internal hard drives

NEC 2TB 3.5" 7200 rpm SATA II vs NEC 300GB 2.5" 15000 rpm SAS 6Gb/s

12specifications compared
6differ
6identical
2known for one product only

Key differences

The NEC 300GB 2.5" 15000 rpm SAS 6Gb/s has 7,800 RPM more HDD speed than the NEC 2TB 3.5" 7200 rpm SATA II (15000 RPM vs 7200 RPM). The NEC 2TB 3.5" 7200 rpm SATA II has 1" more HDD size than the NEC 300GB 2.5" 15000 rpm SAS 6Gb/s (3.5" vs 2.5"). The NEC 300GB 2.5" 15000 rpm SAS 6Gb/s has 3 Gbit/s more data transfer rate than the NEC 2TB 3.5" 7200 rpm SATA II (6 Gbit/s vs 3 Gbit/s). HDD capacity: 2 TB on the NEC 2TB 3.5" 7200 rpm SATA II, 300 GB on the NEC 300GB 2.5" 15000 rpm SAS 6Gb/s. Interface: Serial ATA II on the NEC 2TB 3.5" 7200 rpm SATA II, SAS on the NEC 300GB 2.5" 15000 rpm SAS 6Gb/s.

HDD capacity
- 2TB 3.5" 7200 rpm SATA II:2 TB
- 300GB 2.5" 15000 rpm SAS 6Gb/s:300 GB
HDD speed
- 2TB 3.5" 7200 rpm SATA II:7200 RPM
- 300GB 2.5" 15000 rpm SAS 6Gb/s:15000 RPM
HDD size
- 2TB 3.5" 7200 rpm SATA II:3.5"
- 300GB 2.5" 15000 rpm SAS 6Gb/s:2.5"
Interface
- 2TB 3.5" 7200 rpm SATA II:Serial ATA II
- 300GB 2.5" 15000 rpm SAS 6Gb/s:SAS
Operating voltage
- 2TB 3.5" 7200 rpm SATA II:5 / 12 V
- 300GB 2.5" 15000 rpm SAS 6Gb/s:5 V
Data transfer rate
- 2TB 3.5" 7200 rpm SATA II:3 Gbit/s
- 300GB 2.5" 15000 rpm SAS 6Gb/s:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 2TB 3.5" 7200 rpm SATA II, 300GB 2.5" 15000 rpm SAS 6Gb/s
14 specifications	A NEC 2TB 3.5" 7200 rpm SATA II View product	B NEC 300GB 2.5" 15000 rpm SAS 6Gb/s View product
Features4 differ
HDD capacityDiffers	2 TB	300 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	SAS
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Other features1 differ
Data transfer rateDiffers	3 Gbit/s	6 Gbit/s
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source

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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