Intel quad-core CPU with built-in GPU 2x M.2 NVMe slots for SSD caching 2x 2.5GbE, 1x PCIe slot for 10GbE expansion TS-664 is as fast as a single-port 10GbE NAS with up to 589 MB/s transfer speeds by setting port trunking with the two built-in 2.5GbE (2.5G/1G/100M) ports. Perform additional tasks, stream more media, and have more services running with an Intel quad-core processor optimized for multitasking. Built-in GPU for enhanced video conversion, allowing videos to be smoothly streamed from the NAS to mobile devices.