10GE SFP+SR transceiver SFP-10G-SR for UniFi Switch 16port Ubiquiti US-16-XG
US‑24‑250W, US‑24‑500W, US‑48‑500W, US‑48‑750W USW-Pro-48-POE
Price each

10GE SFP+SR 850nm 300m over MMF.