ASUS ThunderboltEX II vs ASUS ThunderboltEX II/Dual

Comparison of ThunderboltEX II, ThunderboltEX II/Dual

13 specifications	A ASUS ThunderboltEX IIView product	B ASUS ThunderboltEX II/DualView product
Ports & interfacesidentical
Host interface	PCI-X	PCI-X
Output interface	Thunderbolt 2	Thunderbolt 2
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Black	—Unknown — not stated by the source
Featuresidentical
Data transfer rate (max)	20 Gbit/s	20 Gbit/s
System requirements1 differ
Windows operating systems supportedDiffers	Windows 7 Enterprise, Windows 7 Enterprise x64, 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, Win	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 x64, Windows 8.1 x64
Weight & dimensions1 differ
WidthDiffers	85 mm	100 mm
HeightKnown for one	100 mm	—Unknown — not stated by the source
DepthKnown for one	—Unknown — not stated by the source	85 mm
Packaging data1 differ
Cables includedDiffers	DisplayPort, Mini DisplayPort, Thunderbolt	DisplayPort, Mini DisplayPort
Drivers includedKnown for one	Yes	—Unknown — not stated by the source
Manual	Yes	Yes
User guideKnown 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.