Features: brand new and high quality Supports IEEE802.3, IEEE802.3i, IEEE802.3u, IEEE802.3X flow control . Auto-MDI/MDIX eliminates the need for crossover cables Auto-negotiation ports provide for smart integration between 10Mbps, 100Mbps Fanless design ensures quiet operation for desktop or wall-mounting design Plug and for Play design simplifies installation Specifications: Item Model: TXE187 Chipset: IP1717L + IP108A Supported standards and protocols: IEEE802.3, IEEE802.3i, IEEE802.3u, IEEE802.3X Interface: 16 Ports 10/100Mbps auto-adaptive RJ45 ports (Auto-to-MDI / MDIX) Transmission method: store and forward for Mac address capacity: 4K Switching capacity: 3.4Gbps Power supply: AC100-240V/ 50-60Hz Power consumption: 6W size: approx 200x117x43mm/7.87x4.6x1.69in Package Includes: 1 x 16-Port Industrial Network Switch note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-3mm error due to manual measurment.