ATEN CS1148DP 8-Port USB Dual DisplayPort KVM Switch – 4K, Audio & USB Hub

Drive dual 4K UHD displays at 60Hz from a single keyboard and mouse, controlling up to eight computers with the ATEN CS1148DP KVM switch. Its native DisplayPort 1.1a connectivity and Video DynaSync technology deliver pixel-perfect video with instant EDID recovery, making it ideal for video editors, designers, and financial traders who demand uncompromising visual fidelity.

Overview

Housed in a rugged metal chassis, the CS1148DP combines high-performance video switching with a built-in USB 3.1 Gen 1 hub and 2.1-channel audio, streamlining your multi-PC workflow. The dual console DisplayPort outputs let you extend your desktop across two monitors, while independent audio switching allows you to listen to one computer while controlling another. PSS PP v3.0 compliance ensures enterprise-grade security, and the RS-232 interface enables remote control via serial commands for integration into larger control systems.

What stands out

• Native DisplayPort 1.1a connectivity with support for 4K DCI (4096x2160 @ 30Hz) and 4K UHD (3840x2160 @ 60Hz)
• Dual console DisplayPort outputs – connect two monitors for a seamless extended desktop
• Built-in USB 3.1 Gen 1 hub with two Type-A ports (5Gbps) for easy peripheral sharing
• Independent audio switching for stereo speakers and microphone
• Multiple switching options: front-panel pushbuttons, hotkeys, mouse port switching, or RS-232
• Video DynaSync technology preserves EDID for pristine startup and sleep modes
• Firmware upgradeable for future compatibility

Technical details

• Supports up to 8 computers via USB and DisplayPort connections
• 1 local user
• Max resolution: 4096 x 2160 @ 30 Hz (DCI) / 3840 x 2160 @ 60 Hz (UHD)
• DisplayPort version 1.1a
• HDCP compliant
• USB hub: 2 x USB 3.1 Gen 1 Type-A (5 Gbps)
• Audio: 2.1 channel stereo (speaker and microphone)
• Switching methods: pushbutton, hotkey, mouse, RS-232
• OS compatibility: Windows, Mac, Linux
• Included cables: 4x DisplayPort 1.2, 4x USB 3.0, 4x Audio
• Power consumption: 19.2 W
• Input power: DC 5V, 4A
• Housing material: metal

Our verdict

The ATEN CS1148DP is a powerhouse for professionals who need to manage multiple high-resolution computers with dual monitors. Its combination of 4K UHD support, USB 3.1 hub, and flexible switching options makes it a top choice for demanding multi-screen environments.