Both 2.5GbE ports are backwards compatible with 1GbE/ 100MbE speeds. Up to 5 Gbps transfer speeds can be achieved by using port trunking. Add extra functionality with PCIe cards, including 10GbE ports, SSD caching, extra USB 3.2 Gen 2 ports, wireless networking, or Fibre Channel. Supports entry-level NVIDIA® graphics cards for video processing or GPU-passthrough to VMs. Features two M.2 PCIe NVMe SSD slots for Qtier Technology and SSD Caching enable constant storage optimization. Host containerized applications and virtual machines with various operating systems. Features QTS operating system and supports switching to ZFS-based QuTS hero for greater reliability. Featuring an AMD Ryzen™ V1000 series V1500B quad-core processor that delivers great system performance with up to quad-core / 8 threads and Turbo Core up to 2.2 GHz. The TS-873A features two 2.5GbE RJ45 ports and two PCIe Gen 3 slots for you to flexibly deploy 5GbE/10GbE networks. Two M.2 NVMe SSD slots for Qtier Technology and SSD Caching enable constant storage optimization. The TS-873A supports QTS and QuTS hero, allowing users to flexibly switch operating system based on their requirements.