This Neousys 4-Port PCIe x4 802.3at PoE Network Adapter PCIe-PoE354at is a high-quality Lan card with external interfaces including RJ-45 and Ethernet (RJ-45). It has 4 ports and is a great addition to any network setup. The brand Neousys is known for their reliable and efficient products, making this a top choice for users in need of a Lan card. With its easy-to-use interface, this card is perfect for those looking to expand their network without any hassle. It is compatible with a wide range of devices and is ideal for use in businesses and homes alike. Whether you're looking to upgrade your network or simply need an additional Lan card, this Neousys product is the perfect solution.