?Certification & Reliable Support Service? All of Beelink Mini PCS obtained with FCC certification. All have passed strict inspection before shipping. If you have any questions about our mini pc, Please don't hesitate to contact us. We offer lifetime technical support, 1-year worry-free warranty and 24 hours customer service. ?Large Storage & Expandable Capacity?Installed with dual channel DDR4 2x8GB RAM, 2 accessible memory slots upgradable to 64 GB( 2 x 32 GB). Installed 500GB M.2 PCIe NVME 2280 SSD( can be upgraded to 2TB). You can expand the storage via SATA HDD 2.5inch 7mm (not included) for your needs, the adapter cable for 2.5 inch Sata disk is already installed, just needs a disk inserted. ?Dual Display Output & Support 4k Display? 6 cores 1600 MHz AMD Radeon Graphics delivers powerful graphics processing. Dual 4K display output via HDMI, which enable you to multi-task easily. Fully capable of browsing the internet, use Microsoft Office, watch 4K vidoes, play games. They can Do-it-all desktop into another dimension. ?Compact & Rich Interface?Easy to setup and small in size. WiFi 6 (802.11ax) + Bluetooth 5.2 is faster and more stable. Gigabit Ethernet RJ45 1000M network connectivity. Beelink SER5 mini computer is equipped with 1x type-C, 1XHDMI+DP, 1x USB 3.2, 1x USB 2.0, 1 xGigabit Ethernet, 3.5mm Audio Jack. Large fan and dual heat conduction tube make heat dissipation more efficient, which helps this mini pc works better. And It can be fixed on the back of the monitor to save your workstation. ?Tower Performance & Powerful Processor? Powered with AMD Ryzen 5560U, 6 Core/12 Threds, 2.3GHz up to 4.0GHz, which can turn your desk into a powerful workstation just by adding a keyboard, mouse. Pre-installed with W-11 without any bloatware. The Beelink SER5 mini pc can be used for video and photo editing, office tasks, 4K video playback, gaming , and virtualization work.