The ASUS PCE-AC51 Wireless-AC750 802.11ac Dual-Band PCI-E Adapter Card is a high-quality adapter card designed to provide wireless connectivity to computers through the PCI port. With dual-band technology, this ASUS adapter card offers fast and reliable performance for home networking and connectivity needs. Made in China, this unit ensures top-quality construction and compatibility with various devices for seamless wireless connection. Upgrade your computer's networking capabilities with this ASUS PCE-AC51 adapter card. never used.