Comes with efudd overclock firmware, with license, Nicehash compatible, extranonce subscribe. Comes with PSU. All chips have been repasted with Artic Silver 5 and heat radiators have all been air cleaned. Runs better and cooler than new. If needed, machine can be setup prior to shipping/pickup for quick and simple plug and play. Located in CT USA. Pickup in CT, or buyer pays shipping with forum ESCROW. Any transaction with shipping must use escrow. $1200 USD in BTC or best offer.