1. This is a refurbished Machine With total new power supply. 2. L3++ Come with the self-developed Litecoin chip BM1485 ,Each Litecoin miner comes with 288 such chips to deliver more hash rates and efficiency 3. Antminer L3++ (580Mh/s and 942W). 4. Litecoin miners are also known as Scryptminers. Apart from Litecoin mining, the miner is suitable for any cryptocurrency based on Scrypt 5: Double front and rear fans, independent heat sink, better heat dissipation 6:The chassis is made of aluminum alloy, and the surroundings are integrally formed. Each chip has an independent heat sink, and the overall structure is more compact 7:The heat sink adopts a new bonding technology to make the body more robust