i odered this for tryng...

Classic :
1 : Fan - http://bitcoinware.net/collections/gridseed-dual-ltc-and-btc-miner/products/arctic-breeze-usb-fan
1 : Usb Port with upgrade PS 5a - http://bitcoinware.net/collections/mining-accessories/products/10-port-powered-hub-usb-2-0
1 : AntRouter R1 : http://bitcoinware.net/collections/antminer-asic-mining/products/antrouter-r1-5-5-gh-s-btc-miner-wireless-networking

Before having : http://bitcoinware.net/collections/frontpage/products/antminer-s7-4-86-th-s-bitcoin-miner ( or better )