Adder Technology
AdderLink XD522 Dual 4K DisplayPort Extender
Best dual-monitor extender for professionals needing remote, high-resolution workstation setups.
The AdderLink XD522 is a high-performance extender for dual 4K DisplayPort monitors, designed to securely separate your computing hardware from your workstation while maintaining an identical desktop experience. This robust system transmits uncompressed video, supporting up to 4K resolution on a single screen or dual 1920x1200 streams over standard CATx cabling up to 500 feet. It extends DisplayPort video, high-speed USB 2.0, and high-quality audio, featuring intelligent EDID management and transparent USB support for peripherals, ensuring a reliable, plug-and-play setup.
$2173.00
Owner Satisfaction
4.7
/ 5
Category Rank
1
/ 1363
Best KVM Switches
Price vs Category Average
+100%
Above average
Maximum single screen resolution
38402160430
/ x (K UHD) at Hz
Who it's for
- Power users needing reliable peripheral connectivity for complex workstations
- Creative professionals requiring uncompressed dual 4K monitor setups
- IT managers seeking long-distance workstation placement with simple cabling
Who should skip it
- Budget-conscious installers avoiding complex, high-specification cabling requirements
- Casual users needing only basic, short-range monitor extension
- Small businesses seeking affordable, entry-level KVM extension solutions
Performance breakdown
Video Fidelity
Uncompressed transmission ensures pixel-perfect clarity for demanding dual-monitor setups.
Extension Range
Reliable signal delivery over 500 feet offers impressive workstation flexibility.
Peripheral Compatibility
Transparent USB 2.0 support handles mass storage and HID devices flawlessly.
Setup Simplicity
True plug-and-play operation eliminates the need for complex driver installations.
Display Management
Intelligent EDID handling keeps monitor configurations stable and accurate.
Build Robustness
Industrial-grade construction designed for secure, long-term hardware separation.
Key Specs
Maximum single screen resolution
3840 x 2160 (4K UHD) at 30Hz
Maximum dual screen resolution
1920 x 1200 per screen
Maximum extension distance
500 feet (150 meters) for single 1080p screen
USB Support
USB 2.0 (Low, Full, High Speed) plus 6-port hub on receiver
Serial Support
RS232 with RTS/CTS flow control up to 115K2 baud rate
Dimensions
1.76 in. H x 7.92 in. W x 4.8 in. D
Weight
0.75 kg (1.65 lbs.)
Power Supply
5VDC 20W output via 2.5mm DC jack
Features
- Extends dual DisplayPort, USB 2.0, and audio over single CatX cable.
- Transparent USB 2.0 supports mass storage and HID devices.
- Intelligent EDID management ensures accurate monitor characteristics.
- Supports native Mac resolutions including Thunderbolt Displays.
- Plug and Play operation; no drivers or software needed.
- Supports DisplayPort Dual Mode (DP++) compatibility.
- High-quality audio extension included.
- Up to 500ft extension distance.
What customers say
Users consistently praise the AdderLink XD522 for its exceptional reliability in demanding professional settings. The core feedback centers on the flawless quality delivered by the extended dual 4K video signal, even across maximum operational distances. Reviewers value the true plug and play experience, noting minimal setup frustration because the unit performs exactly as specified. This robust, dependable performance confirms the XD522 is a superior, high quality extender, making it a trusted solution for mission critical applications where high resolution operation is essential.
Know before you buy
No, the XD522 supports a single 4K display at 30Hz or dual monitors at a maximum resolution of 1920x1200 each. If you require dual 4K output, you would need to look at a higher-bandwidth solution.
Yes, the system features transparent USB 2.0 support, which allows it to handle HID devices like keyboards and mice, as well as mass storage devices and other high-speed peripherals without needing specific drivers.
No, the AdderLink XD522 is a true plug-and-play device. It handles all signal processing internally, so you can connect your hardware and begin using it immediately without any software configuration.
You can extend your setup up to 500 feet (150 meters) using standard CATx cabling. Please note that maximum resolution and performance may vary depending on the quality of the cable used.
Yes, the XD522 is designed to support native Mac resolutions and is compatible with Thunderbolt Displays, provided they are used within the supported resolution limits of the extender.
Yes, the device includes high-quality audio extension via a standard 3.5mm jack, allowing you to connect speakers or headsets at the remote workstation.
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$2173