TP-LINK TL-SG108 8-Port Gigabit Switch for $13.50 after a $10 rebate. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for reference. It supports IEEE 802.3x for full duplex mode and backpressure for half duplex mode, non-blocking switching, MAC address auto-learning and auto-aging, and more.