Here's the non-POE version for $395 Dell Networking X1052 48 port smart managed Gigabit Ethernet switch 4x 10Gb SFP | eBay
And 2 avail with BO of the POE version for $469 + 30 ship Dell X1052 48 Ethernet Port Managed PoE Gigabit Rack‑mountable Switch | eBay
And 2 avail with BO of the POE version for $469 + 30 ship Dell X1052 48 Ethernet Port Managed PoE Gigabit Rack‑mountable Switch | eBay