Something like this ?
Acer Aspire V Nitro VN7-792G-74Y9 (NX.G6REV.005)
Windows 10 Home
Intel Core i7-6700HQ Quad-core 2.60 GHz
43.9 cm (17.3") 4K UHD (3840 x 2160) 16:9
NVIDIA GeForce GTX 960M with 4 GB
Dedicated Memory 16 GB, DDR4 SDRAM
1 TB HDD + 256 GB SSD
I personaly would build a Mini PC. 
All you need is a TV to plug in.