Product comparison · 2 internal hard drives

Dell 2TB SATA 7.2k 3.5" vs Lenovo 300GB 15K 6Gb/s SAS 2.5"

11specifications compared
5differ
6identical
2known for one product only

Key differences

The Lenovo 300GB 15K 6Gb/s SAS 2.5" has 7,800 RPM more HDD speed than the Dell 2TB SATA 7.2k 3.5" (15000 RPM vs 7200 RPM). The Dell 2TB SATA 7.2k 3.5" has 1" more HDD size than the Lenovo 300GB 15K 6Gb/s SAS 2.5" (3.5" vs 2.5"). HDD capacity: 2 TB on the Dell 2TB SATA 7.2k 3.5", 300 GB on the Lenovo 300GB 15K 6Gb/s SAS 2.5". Interface: Serial ATA on the Dell 2TB SATA 7.2k 3.5", SAS on the Lenovo 300GB 15K 6Gb/s SAS 2.5". Operating voltage: 5 / 12 V on the Dell 2TB SATA 7.2k 3.5", 5 V on the Lenovo 300GB 15K 6Gb/s SAS 2.5".

HDD capacity
- 2TB SATA 7.2k 3.5":2 TB
- 300GB 15K 6Gb/s SAS 2.5":300 GB
HDD speed
- 2TB SATA 7.2k 3.5":7200 RPM
- 300GB 15K 6Gb/s SAS 2.5":15000 RPM
HDD size
- 2TB SATA 7.2k 3.5":3.5"
- 300GB 15K 6Gb/s SAS 2.5":2.5"
Interface
- 2TB SATA 7.2k 3.5":Serial ATA
- 300GB 15K 6Gb/s SAS 2.5":SAS
Operating voltage
- 2TB SATA 7.2k 3.5":5 / 12 V
- 300GB 15K 6Gb/s SAS 2.5":5 V

Side by side

Differences highlightedShow differences only

Comparison of 2TB SATA 7.2k 3.5", 300GB 15K 6Gb/s SAS 2.5"
13 specifications	A Dell 2TB SATA 7.2k 3.5"View product	B Lenovo 300GB 15K 6Gb/s SAS 2.5"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	SAS
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	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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