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JCYMELE SW273 4K144Hz DisplayPort KVM Switch vs UGREEN 55851 8K DisplayPort KVM Switch: Comparison

What is the difference between JCYMELE SW273 4K144Hz DisplayPort KVM and UGREEN 55851 8K DisplayPort KVM Switch?

Start with max resolution, because it is the widest measured gap between them: JCYMELE SW273 4K144Hz DisplayPort KVM 3840x2160 against UGREEN 55851 8K DisplayPort KVM Switch 7680x4320, 75% in favour of UGREEN 55851 8K DisplayPort KVM Switch. Measured rather than claimed: in Capability Score the UGREEN 55851 8K DisplayPort KVM Switch returns 6.6 against 6.1, a 8% lead. UGREEN 55851 8K DisplayPort KVM Switch also leads on max resolution single display, 3840x2160 on the JCYMELE SW273 4K144Hz DisplayPort KVM versus 7680x4320 on the UGREEN 55851 8K DisplayPort KVM Switch. UGREEN 55851 8K DisplayPort KVM Switch also leads on max refresh at max resolution, 3840x2160 on the JCYMELE SW273 4K144Hz DisplayPort KVM versus 7680x4320 on the UGREEN 55851 8K DisplayPort KVM Switch.

JCYMELE SW273 4K144Hz DisplayPort KVM vs UGREEN 55851 8K DisplayPort KVM Switch: which one fits your build

Take the JCYMELE SW273 4K144Hz DisplayPort KVM for gaming-first dual monitor setups specifically needing verified 4K@144Hz and G-Sync passthrough. It is the wrong buy for buyers without high-refresh-rate monitors or G-Sync displays, a standard 4K@60Hz KVM covers typical office use for less. Take the UGREEN 55851 8K DisplayPort KVM Switch for most users wanting a genuinely future-proof, well-built KVM switch without a highly specialized use case in mind. It is not the one for gamers specifically needing high refresh rate support at 4K, the JCYMELE's DisplayPort 1.4 implementation is the right choice for that need.

Read the full breakdown: Best KVM Switch for a Two-PC Battlestation (2026)

Frequently asked questions

Do the JCYMELE SW273 4K144Hz DisplayPort KVM and UGREEN 55851 8K DisplayPort KVM Switch differ on max refresh at 4k?

Yes. Max Refresh At 4K reads 144 Hz on the JCYMELE SW273 4K144Hz DisplayPort KVM versus 240 Hz on the UGREEN 55851 8K DisplayPort KVM Switch.

Is the USB Hub Ports the same on the JCYMELE SW273 4K144Hz DisplayPort KVM and UGREEN 55851 8K DisplayPort KVM Switch?

It is. Both are listed at 4, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Capability Score

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    6.1/10-8%
    UGREEN 55851 8K DisplayPort KVM Switch
    6.6/10Best

    How much this switch can do, rated from its video support, monitor handling, USB speed and switching options. 10 is the most capable.

  • Brand

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    JCYMELE
    UGREEN 55851 8K DisplayPort KVM Switch
    UGREEN
  • Computers Supported

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    2 computers, 2 monitors
    UGREEN 55851 8K DisplayPort KVM Switch
    2 computers, 2 monitors
  • Model Number

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    SW273
    UGREEN 55851 8K DisplayPort KVM Switch
    55851
  • Displays Per Computer

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    2 displays
    UGREEN 55851 8K DisplayPort KVM Switch
    2 displays
  • Max Resolution

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    4K@144Hz-75%
    UGREEN 55851 8K DisplayPort KVM Switch
    8K@60HzBest
  • USB Hub Ports

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    4
    UGREEN 55851 8K DisplayPort KVM Switch
    4
  • KVM Segment

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    Desk
    UGREEN 55851 8K DisplayPort KVM Switch
    Desk
  • Video Connector

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    DisplayPort
    UGREEN 55851 8K DisplayPort KVM Switch
    DisplayPort
  • Video Interface Version

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    DisplayPort 1.4
    UGREEN 55851 8K DisplayPort KVM Switch
    DisplayPort 1.4
  • Max Resolution Single Display

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    3840x2160-75%
    UGREEN 55851 8K DisplayPort KVM Switch
    7680x4320Best
  • Max Refresh At Max Resolution

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    144 Hz-75%
    UGREEN 55851 8K DisplayPort KVM Switch
    60 HzBest
  • Max Refresh At 4K

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    144 Hz
    UGREEN 55851 8K DisplayPort KVM Switch
    240 Hz
  • USB Switching Speed

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    USB 3.0 5Gbps
    UGREEN 55851 8K DisplayPort KVM Switch
    USB 3.0 5Gbps
  • Button Switching

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    Yes
    UGREEN 55851 8K DisplayPort KVM Switch
    Yes
  • Housing Material

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    Metal
    UGREEN 55851 8K DisplayPort KVM Switch
    Aluminum
  • External Power Required

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch
    Yes
    UGREEN 55851 8K DisplayPort KVM Switch
    Yes

    Which one should you pick?

    Choose JCYMELE SW273 4K144Hz DisplayPort KVM Switch if you want the higher USB hub ports (4 vs 4).

    Choose UGREEN 55851 8K DisplayPort KVM Switch if you want the higher capability score (6.6 vs 6.1), the higher max resolution (8K@60Hz vs 4K@144Hz) and the higher max resolution single display (7680x4320 vs 3840x2160).

    Price comparison

    RetailerJCYMELE SW273 4K144Hz DisplayPort KVM SwitchUGREEN 55851 8K DisplayPort KVM Switch
    AmazonView on Amazon

    Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

    Verdict

    JCYMELE SW273 4K144Hz DisplayPort KVM Switch

    9 / 10 Expert Rating

    The best gaming KVM, verified 4K@144Hz over DisplayPort 1.4 with G-Sync passthrough and a dedicated DC power adapter.

    UGREEN 55851 8K DisplayPort KVM Switch

    9 / 10 Expert Rating

    Best all-around, future-proof 8K@60Hz, aluminum build, and 4 USB 3.0 ports for most users without a specialized need.

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