A Development board suits your data needs.
4 x Cortex A53, 4K HEVC/H264 Decode
32bit interface, 6.4GB/s bandwidth
Internal Storage for OSes
USB 3.0 to SATA 3 bridge with UASP
RTL8211F gigabit ethernet phy
18.0 Gbit/s, 4K@60HZ
One Host, One OTG, 1.5A@5V each.
5.5mm x 2.5mm power barrel
Android Nougat with linux kernel 4.4
linux for ARM development boards
The open network attached stroage solution
Build your own custumized OS with linux kernel 4.4 or mainline linux kernel 4.14