Product title


One liner

A dual-head, USB2.0 IP KVM extender delivering unlimited access to virtual and physical machines.

Product description

The ADDERLink™ INFINITY 3000 (ALIF3000) delivers real-time access to unlimited physical and virtual machines (VM) from a single human-machine interface (HMI).

The new KVM receiver brings VM access to the multi award-winning ADDERLink INFINITY range allowing users to seamlessly and securely switch between virtual and physical machines directly from their user workstation - without the need to rip and replace existing KVM infrastructure. Built on the successful Intel® X-86 microprocessor architecture the ALIF3000 delivers pixel-perfect picture quality, audio and USB 2.0 to single or dual screens over a single 1GbE link.

  • Dual-head, video, audio and USB over an IP network
  • Unlimited access to virtual and physical machines
  • Pixel-perfect, color accuracy
  • Bi-directional analog audio
  • Adder's USB True Emulation for fast switching

Interested in this product? Click here to find out more





Product specifications part 2

Approvals / Compliance

  • CE
  • FCC

See the compliance section for the full list

Operating/storage conditions

Operating temperature: 0 to 40ºC  / 0 to 104ºF
Storage temperature: 0 to 60ºC / 32 to 140ºF
Storage and operating relative humidity: 10-90% non-condensing
Altitude: < 2000m


External power: 12VDC, 5A
Typical power consumption: 20W
BTU: 68.24BTU/hr


Dimensions: (L) 210mm /8.3” x (W) 215mm/8.5” x (D) 40mm/1.6”
Weight: 1.8kg /4 lb


Aluminium and steel construction

Remote Unit - Receiver (RX)

Desk: 2 x display port, 5 x USB type A, 3 x 3.5mm audio jack sockets
Ethernet: 1 x 8p8c (RJ45), 2 x SFP cages
Power: 3 pin Kycon socket


4 ports of USB 2.0 with USB True Emulation to support keyboard, mouse and touch.


Supports 1 x 2560 x 1600 up to a maximum refresh rate of 60Hz

Can decode all streams from ADDERLink INFINITY transmitter devices: ALIF100T ALIF1002T, ALIF2002T, ALIF2020T to a maximum of one 2560 x 1600 or two 1920 x 1200 screens.

The ALIF3000R will only decode 1 x 2560x1600 or 2 x 1920x1200 from an ALIF4021T. Please note the ALIF4021T must be bandwidth limited to 1GbE per link.


Analog Line in/out 2 channel 16bit 48KHz 1V RMS in / 1V RMS out


1GbE (10/100/1000 support)

Packing Box

Dimensions: (L) 285mm / 11.2-inch (W) 245mm / 9.6inch (D) 145mm/5.7inch Weight: 2.5kg / 5.5lb

Cable Types Recommendations

See manual.

Cable Length Rules

See manual.

Product features part 1
  • Dual-head, video, audio and USB 2.0 over a single link: The ALIF3000 can deliver one 2560 x 1600 or two 1920 x 1200 screens over an IP network.
  • Unlimited access to physical and virtual machines: Users can seamlessly take control of unlimited sources in both a virtualized and physical environment, from a single workstation using standard VDI protocols.
  • Pixel-perfect image: The ALIF3000 has pixel-perfect image quality over 1Gb ethernet links.
  • Backwards compatibility: The ALIF3000 can be added to an existing ADDERLink INFINITY matrix to deliver real-time KVM and virtual machine access - with the security, reliability and flexibility benefits of traditional IP KVM solutions.
  • Digital KVM matrix: By the addition of ADDERLink INFINITY Management system (AIM) you can turn multiple point to point extenders into a matrix system that allows any workstation to connect to any computer connected to the network. See the AIM datasheet for details.
  • Security: The ALIF3000 is a closed and hardened KVM system with virtual machine access. Unauthorized software cannot be loaded onto the units without administrator approval.
  • Plug and Play: The ADDERLink INFINITY range is delivered in a zero config state so they work as soon as they are connected, without the need for drivers or software.
  • Adder's USB True Emulation: USB2.0 enables connection to any USB human interface device from mice and keyboards through to graphics tablets, jog shuttles, joysticks and 3D explorers.
  • Performance: Built on Intel®’s successful X-86 architecture, the ALIF3000 is a robust and resilient solution designed for use in the most challenging scenarios.
Product codes
Ordering information

ALIF3000R-XX     ALIF3000 Receiver (RX)

XX = Mains Lead Country Code:
UK = United Kingdom
US = United States
EURO = Europe
CN = China
JPN = Japan
AUS = Australia

Additional Accessories

PSU-IEC-12VDC-5A  Power Supply
VSCD10A  2-meter DisplayPort cables.
RMK12  2 in 1U rackmount kit.
RMK12-BP  1/2 width blanking plate for RMK12.
SFP-MM-LC  Multimode 1GbE fiber modules with LC connectors.
SFP-SM-LC  Singlemode 1GbE fiber modules with LC connectors.
SFP-CATX-RJ45  CATX 1GbE module with 8p8c connectors.
Ready for translation
3 Unique Identifiers
  • Ext Distance: Unlimited over IP/100m over CATx/10km over fiber
  • Resolution: Up to 2560x1600@60Hz
  • Number of Screens: Up to 2


Product title


One liner

A high performance dual-head IP KVM matrix solution with support for 5K video and multigigabit Ethernet connectivity.

Part of the ADDERLink INFINITY 4000 Series.

Product description

The ADDERLink® INFINITY 4021 (ALIF4021) is the world’s first dual-head, 5K high performance IP KVM matrix over a single fiber.

Fully compatible with the existing ADDERLink INFINITY (ALIF) range, and supported by the ADDERLink INFINITY Manager (AIM), the ALIF4000 can be used as a point-to-point extender or easily integrated into a wider matrix system.

  • Dual-head 5K video, digital audio and Hi-Speed USB2.0 over a single link
  • Supports up to 10-bit per colour SDR and HDR10
  • Pixel-perfect image quality
  • Multi-channel digital audio via DisplayPort™
  • Adder's USB True Emulation for fast switching
  • Backwards compatible with all the existing ALIF range
  • Flexible and scalable
  • Full touch screen control with floating launch icon and on screen keyboard

Best of Show winnertvbscnProduct of the Year!Best of Show

Product specifications part 1
Video resolutions
  • Supports resolutions up to 5120x2880 including UHD or DCI and refresh rates up to 240Hz

  • Up to 10-bit per colour SDR and HDR10


  • Analog Line in/out 2 channel 16bit 48KHz 1V RMS in/1V RMS out
  • 2x DisplayPort™ Audio in either 2,6 or 8 channels linear PCM


  • 4 port of USB2.0 with Adder's USB True Emulation to support keyboard mouse and touch
  • One port of transparent Hi-Speed USB2.0
  • USB device seen as: 7 or 13 port hub


  • 2x 10,5,2.5 and 1GbE when using SFP-CATX-MR SFP
  • 2x 10GbE (no 10/100/1000 support on ber) via SFP
  • 2x 1GbE (no 10/100 support) via CATX ports


Local Unit - Transmitter (TX)

  • Computer: 2x DisplayPort™, 2x USB type B, 2x 3.5mm audio jack sockets, 1x DB9 socket
  • Ethernet: 2x 8p8c (RJ45), 2x SFP+ cages  
  • Power: 3 pin Kycon socket

Remote Unit - Receiver (RX)

  • Desk: 2x DisplayPort™, 5x USB type A, 2x 3.5mm audio jack sockets, 1x 3.5mm SPDIF socket
  • Ethernet: 2x 8p8c (RJ45), 2x SFP+ cages  
  • Power: 3 pin Kycon socket



  • (L)210mm/8.3" x (W)215mm/8.5" x (D)40mm/1.6"


  • Aluminum and steel construction


  • External power: 12VDC, 5A
  • Typical power consumption: 20W

Operating temperature

  • Operating temperature: 0 to 40oC/32 to 104oF
  • Storage temperature: 0 to 40oC/32 to 104oF
  • Storage and operating relative humidity: 10-90% non-condensing
  • Altitude: <2000m

Packing Box

  • Dimensions: (L)285mm/11.2" x (W)245mm/9.6" x (D)145mm/5.7"
  • Weight 2.5kg/5.5lb

Cable type recommendations

  • ALIF4021T 159,000 hrs
  • ALIF4021R 165,000 hrs
  • Telcordia SR332 Issue 4 March 2016 Calculated @55oC

Cable length rules

  • See manual

Cable type recommendations

  • See manual


  • CE and FCC: See the compliance web page for the full list
Product features part 1

Dual-head 5K screens over a single link
The ADDERLink® INFINITY 4021 (ALIF4021) can deliver two 5K screens over a single link

10-bit per colour and HDR10
Allows greater color depth, supports both SDR10 and HDR10

Multigigabit Ethernet support
Multirate (1/2.5/5/10) GbE support enables premium video performance over standard CAT6 cable up to 100m

Support for 1GbE
Integrated 1GbE ports enable easy delivery of 4K to 5K video over ubiquitous 1Gb/s copper links using 100m of standard CAT5e or CAT6 cable 

Enhanced resiliency
Dual-multirate or 1GbE ports can be teamed together for enhanced resiliency or improved video capability

Support for 5K resolutions
5K video resolutions supported for high resolution and ultra-wide video applications (5120x1440 @60Hz or 5120x2880 @30Hz)

High frame rate support
Refresh rates up to 240Hz supported for HD video resolutions

High speed USB2.0
Supports transparent USB communication up to 480Mbps for those using mass storage devices, mouse and keyboard, graphics tablets, jog shuttles, joysticks and 3D explorers

Perfect digital audio
Using the same encoding system as the other products in the ADDERLink INFINITY (ALIF) range, the digital video is spatially lossless, with 1:1 pixel mapping, ensuring that the digital video you receive is the same as the one leaving your remote computer
Backwards compatibility
The ALIF4000 can integrate seamlessly into your existing ADDERLink INFINITY® setup, replacing or working in conjunction with your existing ALIF endpoints

Isochronous Communication
Plug and play support for USB devices and third-party tools, such as Blackmagic Design DaVinci Resolve Color Grading Panels

Audio capability
Multi-channel digital audio, via DisplayPort™, provides a high-quality immersive sound experience.

Onboard diagnostics tool
Diagnostics tool maximizes uptime and assists with technical support enquiries by allowing the customer to troubleshoot network issues directly from the unit.

Flexible and scalable
Each ALIF4021 unit can be configured as a simple extender or distributed KVM switch. Each receiver can see up to 16 sources or can be connected to the ADDERLink INFINITY Manager (AIM) to create a larger and more fully featured matrix.

Product codes
Product brochures
What's in the box

ALIF4021R-XX: ALIF4021 Receiver

  • 1x PSU cable
  • 1x IEC cable

ALIF4021T-XX: ALIF4021 Transmitter

  • 2x 2m/6.5ft DisplayPort cable
  • 1x 2m/6.5ft USB cable.
  • 2x 2m/6.5ft Audio cables.
  • 1x PSU and IEC lead
Ordering information

ALIF4021T-XX: ALIF4021 Transmitter 

ALIF4021R-XX: ALIF4021 Receiver

Ready for translation
3 Unique Identifiers
  • Ext Distance: Unlimited over IP/100m over CATx/10km over fiber
  • Number of Screens: Up to 2
  • Resolutions: Supports resolutions up to 5120x2880 (5K) including UHD or DCI