OEM Cooling Fan for the IdeaPad 320S-14 320S-15 Flex 5-1470 1570 Yoga 520-14 laptop series, this is the cooling fan for CPU processor with UMA. If your PC fan is running very loud or not functioning then a replacement may be needed. The fan uses an integrated flex cable to connect to the mainboard. The cable connects via 4-pin connector making it a plug and play replacement module, NO soldering is required. Specifications: Direct Current: DC 5V / 0.5A Color: Black Connection: 4-pin 4-wires, Plug-in Manufacturer Part Number(s): DC28000JFF0, DFS200405B30T FJCV, NS75C18-16J02, DC28000JFD0 FRU: 5F10P98990, 5F10N67388, 5F10N77752 Reference list of compatible with Len0vo Laptop Models: - IdeaPad 520s-15 (Type: 81BF) series: 520s-15IKB, 520S-15AST - IdeaPad 320S-14 (Type: 80X4 81BN) series: 320S-14IKB - IdeaPad 320S-15 (Type: 81BQ) series: 320S-15IKB (Type: 80X5), 320S-15ISK (Type: 80Y9), 320S-15ABR (Type: 80YA), 320S-15AST (Type: 80YB) - Yoga 520-14 series: 520-14IKB, 520S-14IKB (Type: 81BL 80X2) - Flex 5 series: Flex 5-1470 (Type: 81C9), Flex 5-1570 (Type: 80XA 80XB) What's in the Box 1x CPU Cooling Fan