Product comparison · 2 internal hard drives

Dell 4TB NLSAS 6G 7.2k 3.5" vs Lenovo 146GB 15K 6Gb/s SAS 2.5"

Key differences

HDD capacity
- 4TB NLSAS 6G 7.2k 3.5":4 TB
- 146GB 15K 6Gb/s SAS 2.5":146 GB
HDD speed
- 4TB NLSAS 6G 7.2k 3.5":7200 RPM
- 146GB 15K 6Gb/s SAS 2.5":15000 RPM
HDD size
- 4TB NLSAS 6G 7.2k 3.5":3.5"
- 146GB 15K 6Gb/s SAS 2.5":2.5"
Operating voltage
- 4TB NLSAS 6G 7.2k 3.5":5 / 12 V
- 146GB 15K 6Gb/s SAS 2.5":5 V

Differences highlightedShow differences only

Comparison of 4TB NLSAS 6G 7.2k 3.5", 146GB 15K 6Gb/s SAS 2.5"
13 specifications	A Dell 4TB NLSAS 6G 7.2k 3.5"View product	B Lenovo 146GB 15K 6Gb/s SAS 2.5"View product
Features3 differ
HDD capacityDiffers	4 TB	146 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V

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.