6 x Asrock H110 Pro BTC+ Bundle
CPU and 8gb RAM included

RAM: Corsair ValueSelect 8GB DDR4 2133MHz
CPU: Intel Dual Core Pentium G4400 (3.30GHz / 3MB)

https://alpine.market/en/home/22-asrock-h110-pro-btc-bundle-for-13gpu-motherboardcpu8gb-ram.html

https://www.asrock.com/mb/photo/H110%20Pro%20BTC+(L1).png

Price : 280$

PAYMENT:
BTC, ETH, etc...