The TS-473 is powered by a high-performance and energy-efficient AMD R-Series CPU and provides two PCIe slots for greater functionality. You can install a QNAP QM2 expansion card to add M.2 SSD caching/10GbE connectivity; a compatible wireless card to use the TS-473 as a wireless access point; and an entry-level graphics card (for example: NVIDIA GeForce GT1030) to boost system performance for 4K video performance. The TS-473 allows you to flexibly deploy a wide range of applications with a more affordable budget.- Two PCIe Gen3 x4 slots support QM2 cards 10GbE adapters or wireless network cards- Supports the NVIDIA GeForce GT1030 graphics card allowing for 4K video transcoding and output- Dual M.2 SATA 6 Gb/s SSD slots allow for setting up caching or storage pools improving file access efficiency- Qtier auto-tiering technology and SSD caching enable 24/7 optimized storage efficiency- Scalable storage supporting virtualization containerized apps centralized storage backup sharing and disaster recovery- Snapshots fully record system status and data. If files are accidentally deleted or modified you can quickly restore the data from a snapshot