When running headless, recent versions of OS X (10.7+) can experience less than ideal graphics performance via VNC/Screen Sharing. Faking a display with a video dongle/GPU enhancer greatly helps to resolve this issue. Mac Mini Vault is on our 3rd revision of Video Dongles and we’ve been offering free use of them to our customers hosted in our data centers. Our latest version is HDMI based and is available in 1080p or 4k mode. 4k support requires a Late-2014 Mac mini or newer. Keep in mind the two versions are identical hardware that uses different firmware to simulate various resolutions. 4k will give higher resolution, however that higher resolution may impact performance.
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