Product comparison · 2 internal hard drives

Buffalo OP-HD2.0WP internal hard drive vs Dell 400-AHED internal hard drive

6specifications compared
5differ
1identical
2known for one product only

Key differences

The Buffalo OP-HD2.0WP internal hard drive has 0.8 TB more HDD capacity than the Dell 400-AHED internal hard drive (2 TB vs 1.2 TB). The Buffalo OP-HD2.0WP internal hard drive has 1" more HDD size than the Dell 400-AHED internal hard drive (3.5" vs 2.5"). Interface: Serial ATA II on the Buffalo OP-HD2.0WP internal hard drive, SAS on the Dell 400-AHED internal hard drive. Component for: NAS on the Buffalo OP-HD2.0WP internal hard drive, Server/workstation on the Dell 400-AHED internal hard drive. Operating voltage: 5 / 12 V on the Buffalo OP-HD2.0WP internal hard drive, 5 V on the Dell 400-AHED internal hard drive.

HDD capacity
- OP-HD2.0WP internal hard drive:2 TB
- 400-AHED internal hard drive:1.2 TB
HDD size
- OP-HD2.0WP internal hard drive:3.5"
- 400-AHED internal hard drive:2.5"
Interface
- OP-HD2.0WP internal hard drive:Serial ATA II
- 400-AHED internal hard drive:SAS
Component for
- OP-HD2.0WP internal hard drive:NAS
- 400-AHED internal hard drive:Server/workstation
Operating voltage
- OP-HD2.0WP internal hard drive:5 / 12 V
- 400-AHED internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of OP-HD2.0WP, 400-AHED
8 specifications	A Buffalo OP-HD2.0WP internal hard drive Model OP-HD2.0WP View product	B Dell 400-AHED internal hard drive Model 400-AHED View product
Features4 differ
HDD capacityDiffers	2 TB	1.2 TB
HDD speedKnown for one	Unknown — not stated by the source	10000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	SAS
Type	HDD	HDD
Component forDiffers	NAS	Server/workstation
HDD interface transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/s
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.

More internal hard drive comparisons

All internal hard drive comparisons