AntMiner S3 441Gh/s @ 0.77W/Gh 28nm SHA-256 ASIC Miner 453GH/S BITCOIN MINER BM1382 28nm ASIC CHIPS x 32 chips Included: ATX Power Supply Jumper Switch w/ LED light for PSU, 7' Cat5 Network Cable, Bitmain Bumper Sticker and Orange Bitcoin Round Sticker Tech Support & Warranty Provided within USA by Bitmain 1-844-BIT-MAIN (844-248-6246) 12V power supply required (sold separately) Connector: PCI-E x 2