{"product_id":"hdmi-kvm-switch-4-pc-2-monitor-dual-display-kvm-8k-4k-support","title":"HDMI KVM Switch 4 PC 2 Monitor Dual Display KVM - 8K\/4K Support","description":"\u003cp\u003eIn this review the HDMI KVM Switch from ATLAHET is evaluated for users who need to control multiple computers with a single dual-monitor workstation. The bottom line: it is best suited for small offices, studios, or control rooms that require switching between four PCs while sharing two HDMI monitors and USB peripherals, because it supports up to \u003cstrong\u003e8K@60Hz\u003c\/strong\u003e or \u003cstrong\u003e4K@120Hz\u003c\/strong\u003e, offers EDID emulation to keep displays stable after switching, and includes a powered design so connected USB devices run reliably.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 PC 2 Monitor switching:\u003c\/strong\u003e Lets four separate computers share two HDMI monitors and four USB devices, saving desk space and simplifying workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEDID emulation:\u003c\/strong\u003e Built-in EDID storage preserves monitor parameters so windows and resolutions remain consistent when switching between systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh resolution support:\u003c\/strong\u003e Handles up to 8K@60Hz or 4K@120Hz where cables and displays permit, ensuring smooth, high-resolution video when requirements demand it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended and duplicate modes:\u003c\/strong\u003e Supports both mirrored and extended desktop setups so users can choose synchronized display or increased desktop area across the two monitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 ports:\u003c\/strong\u003e Four USB 3.0 ports at up to 5Gbps let you share mice, keyboards, webcams and external drives with stable bandwidth when external power is used.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo switching methods:\u003c\/strong\u003e Front-panel buttons and an included infrared remote provide simple, immediate switching between host computers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis KVM is ideal for professionals who work across multiple PCs-designers, developers, lab technicians, or small network operators-who need reliable multi-host control with high-resolution output and shared USB peripherals. The combination of EDID emulation and external power makes it suitable where stable device connections matter.\u003c\/p\u003e\n\u003cp\u003eIt is not a good fit for users whose computers or monitors lack the required HDMI ports (each PC must provide two HDMI outputs and each monitor one HDMI input) or for setups relying on docks or adapter chains, since the manufacturer cautions against additional adapters and docking stations.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports high-resolution video up to \u003cstrong\u003e8K@60Hz\u003c\/strong\u003e or \u003cstrong\u003e4K@120Hz\u003c\/strong\u003e for future-proof multi-monitor setups.\u003c\/li\u003e\n\u003cli\u003eEDID emulation preserves monitor settings and prevents window reflow on switching.\u003c\/li\u003e\n\u003cli\u003ePowered USB 3.0 ports deliver stable connections for external drives and peripherals.\u003c\/li\u003e\n\u003cli\u003eIncludes remote control and front-panel buttons for flexible switching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires each computer to have two HDMI ports and direct HDMI-HDMI cables, which can limit use with laptops or machines that need adapters.\u003c\/li\u003e\n\u003cli\u003eDoes not support hotkey switching; switching is limited to button or IR remote control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eATLAHET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHosts\u003c\/td\u003e\n\u003ctd\u003e4 computers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitors\u003c\/td\u003e\n\u003ctd\u003e2 HDMI outputs (share between hosts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax resolution\u003c\/td\u003e\n\u003ctd\u003e8K@60Hz or 4K@120Hz (backward compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB ports\u003c\/td\u003e\n\u003ctd\u003e4 x USB 3.0 (up to 5Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V 1A external adapter included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching\u003c\/td\u003e\n\u003ctd\u003eFront panel buttons and IR remote (no hotkeys)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ATLAHET 4-port dual-monitor HDMI KVM is a practical choice for professionals needing to manage four PCs from a two-monitor desk with high-resolution output and reliable USB sharing. It offers strong value where direct HDMI connections are available and where EDID stability and powered USB are important, though users with limited HDMI outputs or who expect hotkey switching should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this KVM require external power?\u003c\/strong\u003e\u003cbr\u003eYes. An included 12V 1A adapter is required for stable USB device operation and is recommended for reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use one HDMI port per PC?\u003c\/strong\u003e\u003cbr\u003eNo. Each computer must provide two HDMI outputs to feed both monitors, and each monitor requires a single HDMI input as specified.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre adapter cables supported?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer advises against additional docking stations and adapter cables; use direct HDMI-HDMI cables for best compatibility.\u003c\/p\u003e","brand":"ATLAHET","offers":[{"title":"Default Title","offer_id":48169056108763,"sku":"B0FB936BBS","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/716jLd0STLL._SL1500.jpg?v=1769163401","url":"https:\/\/gearmusthave.com\/products\/hdmi-kvm-switch-4-pc-2-monitor-dual-display-kvm-8k-4k-support","provider":"GearMustHave","version":"1.0","type":"link"}