DICHEN DC1A686-D3ZC DP 1.4 Ultra-High Refresh 4K Fuser — 1080P 680Hz / 2K 360Hz / 4K 160Hz

Kind reminder: This product is on pre‑order. After you place your order, DICHEN factory will still be in production. Shipment will be available around October 5th. Thank you. Basic Information - Model: DC1A686-D3ZC - Product Type: Professional-Grade Signal Processing and Fusion Device - Version: Flagship Version (Open for Pre-Order); Deluxe and Standard versions are not yet available - Available Colors: DICHEN Gold, Patriot Red, Loyal Silver, Sincere White, Rock Black Sincere White and Rock Black are currently out of stock. Signal & Interface Specifications Hardware Interfaces: Three full-bandwidth DP 1.4 high-speed transmission interfaces Supported Protocols: DLSS, DDC, HPD, EDID, HDCP, MST, FEC and the full suite of low-level AUX protocols; supports native EDID automatic passthrough Color Specifications: Supports RGB and YCbCr color modes; 8-bit / 10-bit / 12-bit high bit depth Resolution & Refresh Rate Resolution Supported Refresh Rate 1280 × 720P 1–1000Hz+ (Theoretical Peak: 1350Hz+) 1920 × 1080P 1–639Hz 2560 × 1440P 1–364Hz 3440 × 1440P 1–264Hz 3840 × 2160P 1–164Hz Hardware Architecture & Transmission Capability - Architecture: Next-generation hardware-level signal interconnection architecture, enabling complete, direct signal communication between the computer and display - Full-bandwidth operation across the entire system, supporting lossless image output at ultra-high refresh rates across multiple resolutions - Supports real-time switching between two host computers, with two scenarios operating independently without interference; stable and reliable during extended high-load operation Compatibility — High Compatibility Across Multiple Scenarios - Tested with 62 display models from different brands. All refresh rates within the supported bandwidth range are compatible, with an overall compatibility rate of 99%, supporting 99% of displays - Deep optimization and tuning of low-level protocols reduces compatibility requirements, allowing both high- and low-spec host systems to run stably at full high-refresh-rate performance - Application Scenarios: PC office use, multi-display expansion for esports and gaming, cameras, projectors, microscopy equipment, medical instruments, and other professional display equipment Flagship Exclusive Features Native EDID Automatic Passthrough Fast and stable protocol handshaking, preventing abnormal communication errors. One-Click Display Information Customization Supports one-click customization of the display serial number and hardware ID, with permanent memory storage, allowing new display device information to be generated quickly. Mixed-Resolution Dual-Device Output Supports simultaneous output from primary and secondary devices at different resolutions, including stable 2K 360Hz + 1K 360Hz operation. Intelligent Resolution Scaling Allows a 2K high-refresh-rate display to support 1K ultra-high-refresh output specifications. One-Touch Dual-Host Switching Instantly switches between two host displays for seamless transitions between office and entertainment use. Flagship Exclusive: Capture Card Live Streaming Supports live streaming with a capture card to meet live-streaming requirements. Firmware Upgrade Capability - Built-in official serial-port upgrade interface with support for long-term firmware updates and iteration - Firmware upgrades can unlock expanded 5120 × 1440P ultra-high-resolution support, continuously optimize hardware performance, and add new functions while helping maintain the device's long-term value Product Use Professional hardware for high-definition video signal fusion, multi-display switching, high-refresh-rate adaptation, and signal passthrough; intended only for legitimate applications such as commercial and office use, audiovisual entertainment, professional equipment debugging, and multi-display expansion. It does not provide data reading, program modification, detection bypass, or other cheating-related functions.