This product is either discontinued or we cannot get that from suppliers.
Netgear XCM8903SF-10000S, Rack-mountable 4U, Port 40 x 10/100/1000 + 2 x 10Gb Ethernet + 2 x 10 Gigabit SFP+, Jumbo Frame Support 12B, Processor 1: 800 MHz, RAM 1 GB, Flash Memory 64 MB, Port transmission speed, power, status, link/activity, supervisor.
The M6100 switch series offers high-quality, high-density chassis alternative to stackable switches in campus LAN and midsize organizations demanding networks.