Product comparison · 2 external hard drives

Nilox 640GB 2.5" USB 2.0 vs Nilox DH2312ER-B external hard drive

Key differences

HDD capacity
- 640GB 2.5" USB 2.0:640 GB
- DH2312ER-B external hard drive:1.5 TB
HDD speed
- 640GB 2.5" USB 2.0:5400 RPM
- DH2312ER-B external hard drive:7200 RPM
HDD size
- 640GB 2.5" USB 2.0:2.5"
- DH2312ER-B external hard drive:3.5"
Storage drive buffer size
- 640GB 2.5" USB 2.0:8 MB
- DH2312ER-B external hard drive:16 MB
Bus powered
- 640GB 2.5" USB 2.0:USB
- DH2312ER-B external hard drive:No
Width
- 640GB 2.5" USB 2.0:86 mm
- DH2312ER-B external hard drive:190 mm
Depth
- 640GB 2.5" USB 2.0:140 mm
- DH2312ER-B external hard drive:270 mm
Height
- 640GB 2.5" USB 2.0:16 mm
- DH2312ER-B external hard drive:40 mm

Differences highlightedShow differences only

Comparison of 640GB 2.5" USB 2.0, DH2312ER-B
23 specifications	A Nilox 640GB 2.5" USB 2.0 View product	B Nilox DH2312ER-B external hard drive Model DH2312ER-B View product
Hard drive4 differ
HDD capacityDiffers	640 GB	1.5 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Type	HDD	HDD
Storage drive buffer sizeDiffers	8 MB	16 MB
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
USB connectorKnown for one	Unknown — not stated by the source	USB
USB versionKnown for one	Unknown — not stated by the source	2.0
Featuresidentical
Product colour	Black	Black
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	RoHS
Power1 differ
Bus poweredDiffers	USB	No
External power adapterKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	86 mm	190 mm
DepthDiffers	140 mm	270 mm
HeightDiffers	16 mm	40 mm
WeightDiffers	180 g	850 g
Other featuresidentical
Internal	No	No
MaterialKnown for one	Unknown — not stated by the source	Aluminium
USB 2.0 ports quantity	1	1
USB required	Yes	Yes
Mac compatibilityKnown 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.