Amazon has Netgear 8-Port Gigabit Ethernet Unmanaged Switch (GS608) for $14.99. Shipping is free w/ Prime or on orders of $25+.
Features (from product page):
- 8 Gigabit Ethernet ports
- Simple plug-and-play setup with no software to install or configuration needed
- Supports desktop or wall mount placement
- Energy efficient design compliant with IEEE802.3az