2017 New design version 6.0C and new stock. 1. Brand new and high quality. 2. Using 4x high quality large Capxon 270U/16V solid capacitor, added voltage regulator, making graphics power supply power more stable and secure. 3. Using 15U gold-plated connectors, making signal connection more stable and longer life. 4. Compatible with PCI-E 1X 4X 8X 16X slot in motherboard. 5. Comes with 0.6m long USB cable. 6. No drivers needed, just install graphic cards. 7. Dedicated for BTC, LTC, ETC etc.