Features: New CPU and GPU cooling fan for ROG Strix Gaming Laptop G531G, G531GT, FLLB, FLKJ series GU/GD/GW FLLB 13NR01L0T01111 FLKJ. This is a cooling fan for laptop; this laptop uses two fans and this will replace either one. Each fan has 4 wires leading to a 4-pin connector. Made of high-quality metal, resistant to wear and designed for longevity. This is an essential component for protecting your laptop. Small and compact design, easy to install and replace. Specifications: Material: Metal Note: 1. Please allow 1-2 cm errors due to manual measurement. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item. Package includes: 1 x CPU Fan / 1 x GPU Fan / 1 x CPU Fan & 1 x GPU Fan