The Cisco SFP-10G-SR is a 10GBASE-SR SFP+ transceiver module designed for high-performance 10 Gigabit Ethernet over MMF. It operates at 850 nm, supports distances up to 300m (OM3) and 400m (OM4), and is hot-swappable. It complies with the SFP+ MSA standards and is ideal for short-range data center connectivity.