Product comparison · 2 external hard drives

ADATA ACH11-15TU3-CBK external hard drive vs ADATA CH11 USB 3.0 640GB

14specifications compared
8differ
6identical
12known for one product only

Key differences

HDD capacity
- ACH11-15TU3-CBK external hard drive:1.5 TB
- CH11 USB 3.0 640GB:640 GB
Maximum data transfer rate
- ACH11-15TU3-CBK external hard drive:90 Mbit/s
- CH11 USB 3.0 640GB:5000 Mbit/s
USB connector
- ACH11-15TU3-CBK external hard drive:USB Type-A
- CH11 USB 3.0 640GB:Micro-USB B
Width
- ACH11-15TU3-CBK external hard drive:82 mm
- CH11 USB 3.0 640GB:81.5 mm
Depth
- ACH11-15TU3-CBK external hard drive:120 mm
- CH11 USB 3.0 640GB:21 mm
Height
- ACH11-15TU3-CBK external hard drive:21 mm
- CH11 USB 3.0 640GB:120 mm

Side by side

Differences highlightedShow differences only

Comparison of ACH11-15TU3-CBK, CH11 USB 3.0 640GB
26 specifications	A ADATA ACH11-15TU3-CBK external hard drive Model ACH11-15TU3-CBK View product	B ADATA CH11 USB 3.0 640GB View product
Hard drive1 differ
HDD capacityDiffers	1.5 TB	640 GB
HDD size	2.5"	2.5"
Type	HDD	HDD
Read speedKnown for one	Unknown — not stated by the source	90 MB/s
Ports & interfaces2 differ
Maximum data transfer rateDiffers	90 Mbit/s	5000 Mbit/s
USB connectorDiffers	USB Type-A	Micro-USB B
USB version	3.2 Gen 1 (3.1 Gen 1)	3.2 Gen 1 (3.1 Gen 1)
Features2 differ
Product colour	Black	Black
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedDiffers	Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8	Windows 2000, Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Hom
Mac operating systems supportedDiffers	Mac OS 9.0, Mac OS 9.1, Mac OS 9.2, Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion	Mac OS 9.0, Mac OS 9.1, Mac OS 9.2, Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Bus powered	USB	USB
Weight & dimensions3 differ
WidthDiffers	82 mm	81.5 mm
DepthDiffers	120 mm	21 mm
HeightDiffers	21 mm	120 mm
Weight	186 g	186 g
Packaging dataidentical
Cables includedKnown for one	Unknown — not stated by the source	USB
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	No
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	No
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	1
USB requiredKnown for one	Unknown — not stated by the source	Yes
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Securityidentical
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Password protectionKnown for one	No	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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