Umm a ASIC dual miner. http://www.amazon.com/Dualminer-Litecoin-Bitcoin-Asic-Miner/dp/B00J47ADW0/ref=sr_1_1?s=electronics&ie=UTF8&qid=1399945947&sr=1-1&keywords=dual+miner Better idea to get a gridseed though. http://zoomhash.com/collections/top-sellers/products/same-day-shipping-gridseed-320-420-kh-s-asic-scrypt-sha-miner-ships-from-los-angeles