3x 500Kh/s Resistor Modified Gridseed miners

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Gridseed up to 500 KH/s ASIC Miner All in perfect working order and in the original packaging (while supplies last) The Gridseed ASIC Miners are highly efficient in terms of both cost and energy usage. Simple to set up and operate, you can be up and hashing in minutes. These units can operate in any one of three modes and can be controlled with Windows, Linux, or a dedicated Raspberry Pi Controller. Each unit is fully tested and verified prior to shipment. Each miner includes: 3 Gridseed miner 3 USB cable Power cable only if you buy in groups of 6 Each unit uses five GC3355 chips and operates with the following specs: Mode 1: Scrypt only (Litecoin, Dogecoin, Feathercoin, etc.) 370+ KH/S at 7 watts Mode 2: SHA only (Bitcoin, Devcoin, etc.) 11.25 GH/S at 50 watts Mode 3: SHA & Scrypt combined. 8Gh/s SHA+ 300Kh/s Scrypt at 60 watts Details: ASICs: Gridseed GC3355-Q64 55nm ASICs (five chips per unit) Guaranteed Performance: 400+ KH/s (can be modified for greater performance) Cooling System: 1 x Internal High-Performance Cooling Fan per unit Power requirements: 20 Watts Scrypt-Only I do not recommend mining SHA or dual mining with these as they were resistor modified to hash scrypt as fast as possible.