original authenticLenovo Kaitian M7300 M435E M4300 Yangtian W2070S M2613D M4350 T4900D T4900V power supply, 20+4 pins 180W 3 SATA power ports, including Huntkey, Kangshu, Baoguang, and Quanhan, there is no brand that requires random delivery, and remote areas in Xinjiang and Tibet do not include postage, and additional freight is required.