TP-LINK 8 PORT GIGABIT ETHERNET NETWORK SWITCH PLUG AND PLAY : EASY SETUP WITH NO CONFIGURATION OR NO SOFTWARE NEEDED 8 PORTS GIGABIT ETHERNET 8 10/100/1000 MBPS GIGABIT AUTO NEGOTIATION RJ45 PORTS GREATLY EXPAND NETWORK CAPACITY STURDY METAL CASE : FANLESS QUIET DESIGN, DESKTOP OR WALL MOUNTING DESIGN; OPERATING TEMPERATURE 0 ÑC TO 40 ÑC (32 ÑF TO 104 ÑF); STORAGE TEMPERATURE: 40°C TO 70°C ( 40°F TO 158°F) RELIABLE IEEE 802.3X FLOW CONTROL PROVIDES RELIABLE DATA TRANSFER TRAFFIC OPTIMIZATION : 802.1P AND DSCP QOS ENABLE SMOOTH LATENCY SENSITIVE TRAFFIC SUCH AS VOICE AND VIDEO UP TO 80 PERCENTAGE POWER SAVING AUTOMATICALLY ADJUSTS POWER CONSUMPTION ACCORDING TO THE LINK STATUS AND CABLE LENGTH AUTO NEGOTIATION SUPPOTS AUTO MDI/MDIX, ELIMINATING THE NEED FOR CROSSOVER CABLES