Elgato (Corsair)

Elgato Game Capture 4K X

Overview

The Elgato Game Capture 4K X is Elgato's most powerful external USB capture card, featuring HDMI 2.1 connectivity for passthrough up to 4K144 HDR10 and capture up to 4K60 HDR10 or 1080p240. With USB 3.2 Gen 2 bus-powered operation, VRR passthrough support, and ultra-low latency Instant Gameview technology, it delivers pristine next-gen console and PC gameplay capture for streamers and content creators. The compact aluminum chassis pairs seamlessly with OBS Studio, Streamlabs, and all major streaming software on Windows, macOS, and iPad.

Key Highlights

HDMI 2.1 interface for 4K144 HDR10 passthrough, 4K60 HDR10 capture, and up to 1080p240 capture with ultra-low latency Instant Gameview
USB 3.2 Gen 2 (10Gbps) bus-powered connection — no external power adapter required, works with Windows, Mac, and iPad
Variable Refresh Rate (VRR) passthrough support with Auto Low Latency Mode (ALLM), HDR10 capture and passthrough at supported resolutions
Compatible with OBS Studio, Streamlabs, Twitch Studio, Discord, Zoom, and all major streaming/recording applications
Ultra-compact 91g aluminum design with front HDMI input and rear USB-C for clean cable management in portable setups

Technical Specifications

Brand	Elgato (Corsair)
Model	Elgato Game Capture 4K X
Processor (CPU)	N/A (external USB capture card — no CPU; relies on host computer processing power)
Graphics (GPU)	N/A (external USB capture card — no GPU; passthrough graphics from source device)
Memory (RAM)	N/A (external capture device; no user-accessible memory; relies on host system RAM for buffering)
Storage	N/A (external capture device; no internal storage; records directly to host computer)
Ports & I/O	1x HDMI 2.1 (input) 1x HDMI 2.1 (output/passthrough) 1x USB-C 3.2 Gen 2 (host connection 10Gbps)
Connectivity	Wired via USB-C 3.2 Gen 2 to host computer; HDMI 2.1 passthrough to display (no Wi-Fi or Bluetooth)
Operating System	Windows 10/11, macOS 13+, iPadOS (via iPad USB-C)
Dimensions	112 x 72 x 18 mm