Ready Set comprises of Asrock Z77 Extreme motherboard i5-3570CPU @ 3.40GHz 4 x Zotac GTX 1070 GPUs 2 x 4GB RAM, 1 x 250 GB harddisk, 1 x 1600W PSU, 2 x powered risers 1 x rig structure All GPUs are bought in June and July 2017 and comes with 5 years warranty. Each of the GTX 1070 card can fetch 29-30 Mh/s hashrate for Ethereum mining. Running Windows but not activated. +$30 if u want activated windows. Only for serious buyers who want to try mining and might not wish to buy and assemble each of the parts. Buyers should have some knowledge of building a PC. This price is competitive even if compared with sets built in China. This set can be easily expanded to 6 GPUs with more risers and the existing 1600W PSU. You can start small to mine straightaway and expand with more GPUs later on.