Here's a Juniper SFPP-10G-SR-C SFP+ optical module for 10 Gigabit networks. It's in open box condition – that means it's basically like new, might not have the original sealed packaging, but it's in excellent shape with no wear and includes any original accessories. Could be a factory second, but works great. Model is 740-021308. It's the SR (short reach) type, using 850nm wavelength over LC connectors, good for up to 400 meters on multimode fiber. Perfect for Juniper switches and compatible gear that needs 10G connectivity. Just plug it in and you're set. No extra details, just a solid network port upgrade.