ATEN CS221 KVM switch vs ATEN CS9138KIT KVM switch Black

Comparison of CS221, CS9138KIT

28 specifications	A ATEN CS221 KVM switch Model CS221 View product	B ATEN CS9138KIT KVM switch Black Model CS9138KIT View product
Ports & interfacesidentical
Number of computers controlledKnown for one	—Unknown — not stated by the source	8
Keyboard port type	PS/2	PS/2
Mouse port type	PS/2	PS/2
Video port type	VGA	VGA
VGA (D-Sub) ports quantityKnown for one	—Unknown — not stated by the source	9
PS/2 ports quantityKnown for one	—Unknown — not stated by the source	18
DC-in jack	Yes	Yes
Performance1 differ
Maximum resolutionDiffers	1024 x 768 pixels	1920 x 1440 pixels
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black
LED indicators	Yes	Yes
Displayidentical
Built-in displayKnown for one	—Unknown — not stated by the source	No
Poweridentical
Input voltageKnown for one	—Unknown — not stated by the source	110-220 V
AC input frequencyKnown for one	—Unknown — not stated by the source	50 - 60 Hz
External power adapter	Yes	Yes
Power consumption (typical)Known for one	1.8 W	—Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	—Unknown — not stated by the source	RoHS
Packaging contentidentical
Cables includedKnown for one	—Unknown — not stated by the source	KVM
AC adapter includedKnown for one	—Unknown — not stated by the source	Yes
Manual	Yes	Yes
Quick installation guideKnown for one	—Unknown — not stated by the source	Yes
Other featuresidentical
Connectivity technology	Wired	Wired
Compatible operating systemsKnown for one	Windows 2000/XP/Vista Linux	—Unknown — not stated by the source
Dimensions (WxDxH)Known for one	152 x 52 x 224 mm	—Unknown — not stated by the source
Ports quantityKnown for one	2	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 50 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 80%	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	1.2 kg	—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.