I have been using a 'Brocade ICX6450 24 Port PoE switch' that I bought on eBay used for $150. There is a forum, don't remember which one at the moment, where someone was kind enough to post firmware updates, licenses and a walkthrough on how to update it. It has worked great for me so far, about 2 1/2 years now. These originally cost a couple thousand dollars brand new. Here is an example - a 48 port currently listed on eBay:
Find many great new & used options and get the best deals for Brocade ICX 6450-48P 48-Port Gigabit Ethernet Switch at the best online prices at eBay! Free shipping for many products!
www.ebay.com
I started out with a simple 'TP-Link TL-SG1005P V2' 4 port (4 poe) for $45 from Amazon
As an eBay Associate IPCamTalk earns from qualifying purchases.
As an Amazon Associate IPCamTalk earns from qualifying purchases.