Product comparison · 2 kvm extenders

ATEN CE840-AT-U KVM extender Transmitter & receiver vs StarTech.com DisplayPort KVM Extender over Fiber Optic, 4K

29specifications compared
22differ
7identical
36known for one product only

Key differences

Maximum transfer distance
- CE840-AT-U KVM extender Transmitter & receiver:100 m
- DisplayPort KVM Extender over Fiber Optic, 4K:300 m
Transmitter local video port type
- CE840-AT-U KVM extender Transmitter & receiver:HDMI
- DisplayPort KVM Extender over Fiber Optic, 4K:DisplayPort
Receiver local video port type
- CE840-AT-U KVM extender Transmitter & receiver:HDMI
- DisplayPort KVM Extender over Fiber Optic, 4K:DisplayPort
Power consumption (transmitter) (max)
- CE840-AT-U KVM extender Transmitter & receiver:7.36 W
- DisplayPort KVM Extender over Fiber Optic, 4K:10 W
Power consumption (receiver) (max)
- CE840-AT-U KVM extender Transmitter & receiver:7.37 W
- DisplayPort KVM Extender over Fiber Optic, 4K:10 W
Transmitter width
- CE840-AT-U KVM extender Transmitter & receiver:15.6 cm
- DisplayPort KVM Extender over Fiber Optic, 4K:7.4 cm
Transmitter depth
- CE840-AT-U KVM extender Transmitter & receiver:17.8 cm
- DisplayPort KVM Extender over Fiber Optic, 4K:10 cm
Transmitter height
- CE840-AT-U KVM extender Transmitter & receiver:2.88 cm
- DisplayPort KVM Extender over Fiber Optic, 4K:2.8 cm

Side by side

Differences highlightedShow differences only

Comparison of CE840-AT-U, FD121-KVM-EXTENDER
65 specifications	A ATEN CE840-AT-U KVM extender Transmitter & receiver Model CE840-AT-U View product	B StarTech.com DisplayPort KVM Extender over Fiber Optic, 4K Model FD121-KVM-EXTENDER View product
Features2 differ
Type	Transmitter & receiver	Transmitter & receiver
Connectivity technology	Wired	Wired
Maximum transfer distanceDiffers	100 m	300 m
Maximum digital resolution	4096 x 2160 pixels	4096 x 2160 pixels
Maximum refresh rateKnown for one	Unknown — not stated by the source	60 Hz
Supported resolutionsDiffers	4096 x 2160 3840 x 2160	4096 x 2160 @ 60hz 3840 x 2160 @ 60hz 3440 x 1440 @ 60hz 3200 x 1800 @ 60hz 3072 x 1728 @ 60hz 2560 x 1440 @ 60hz 2048 x 1536 @ 60hz 1920 x 1200 @ 60hz 3840 x 1080 @ 60hz 1920 x 1080 @ 60hz 1760 x 990 @ 60hz 1680 x 1050 @ 60hz 1600 x 1200 @ 60hz 1600 x 900 @ 60hz 1440 x 900 @ 60hz 1366 x 768 @ 60hz
On Screen Display (OSD)Known for one	Unknown — not stated by the source	No
Product colour	Black	Black
LED indicators	Yes	Yes
MaterialKnown for one	Metal	Unknown — not stated by the source
Transmitter1 differ
Transmitter local video port	Yes	Yes
Transmitter local video port typeDiffers	HDMI	DisplayPort
Number of displays supportedKnown for one	Unknown — not stated by the source	1
Transmitter Micro-USB ports quantityKnown for one	Unknown — not stated by the source	1
Transmitter video port typeKnown for one	HDMI	Unknown — not stated by the source
RJ-45 ports quantity (transmitter)Known for one	1	Unknown — not stated by the source
Transmitter USB Type-B ports quantityKnown for one	1	Unknown — not stated by the source
Receiver1 differ
Receiver Micro-USB ports quantityKnown for one	Unknown — not stated by the source	2
Receiver local video port typeDiffers	HDMI	DisplayPort
RJ-45 ports quantity (receiver)Known for one	1	Unknown — not stated by the source
Ports & interfacesidentical
Installed SFP+ modules quantityKnown for one	Unknown — not stated by the source	2
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	3
USB port typeKnown for one	USB Type-B	Unknown — not stated by the source
RS-232 portsKnown for one	1	Unknown — not stated by the source
Power2 differ
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Input currentKnown for one	Unknown — not stated by the source	0.3 A
AC adapter output voltageKnown for one	Unknown — not stated by the source	5 V
AC adapter output currentKnown for one	Unknown — not stated by the source	2 A
Power consumption (transmitter) (max)Differs	7.36 W	10 W
Power consumption (receiver) (max)Differs	7.37 W	10 W
DC voltageKnown for one	12 V	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions8 differ
Transmitter widthDiffers	15.6 cm	7.4 cm
Transmitter depthDiffers	17.8 cm	10 cm
Transmitter heightDiffers	2.88 cm	2.8 cm
Transmitter weightDiffers	820 g	235 g
Receiver widthDiffers	15.6 cm	7.4 cm
Receiver depthDiffers	17.8 cm	10 cm
Receiver heightDiffers	2.88 cm	2.8 cm
Receiver weightDiffers	810 g	235 g
Packaging data3 differ
Package widthDiffers	131 mm	308 mm
Package depthDiffers	540 mm	179 mm
Package heightDiffers	233 mm	72 mm
Package weightKnown for one	2.98 kg	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	Mini-USB
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Included power plug typesKnown for one	Unknown — not stated by the source	ANZ, EU, NA, UK
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 50 °C
Storage temperature (T-T)Differs	-20 - 60 °C	-10 - 60 °C
Operating relative humidity (H-H)	0 - 80%	0 - 80%
Sustainabilityidentical
Sustainability complianceKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Extended display identification data (EDID)Known for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	156000 h
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS, Trade Agreements Act (TAA)
HDCPKnown for one	Yes	Unknown — not stated by the source
HDCP versionKnown for one	2.3	Unknown — not stated by the source
BandwidthKnown for one	600 MHz	Unknown — not stated by the source
Supported video modesKnown for one	480p, 600p, 768p, 800p, 900p, 1024p, 1080i, 1080p, 1440p, 2160p	Unknown — not stated by the source
Logistics data3 differ
Master (outer) case widthDiffers	247 mm	420 mm
Master (outer) case lengthDiffers	556 mm	328 mm
Master (outer) case heightDiffers	153 mm	265 mm
Products per master (outer) caseKnown for one	Unknown — not stated by the source	6 pc(s)
Country of originKnown for one	Taiwan	Unknown — not stated by the source
Harmonized System (HS) codeKnown for one	85176200	Unknown — not stated by the source
Master (outer) case gross weightKnown for one	3.54 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.

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