10G Fiber Optic Patch Cables: Specifically designed for modern high-speed data centers and enterprise networks, these cables handle the demands of high-speed applications like big data and cloud computing with an impressive data transmission rate of 10 Gbps. Therefore, this article will guide you through a systematic understanding of how to choose the correct patch cord type based on optical modules of different speeds (1G, 10G, 25G). Single-mode Fiber (SMF): suitable for long-distance transmission, typical specifications for OS2, can support from 10km. I need to buy a bunch of fiber patch cables for some 10gig connections. Some of them are multimode, and some are single mode. The performance is characterized by channel insertion loss (cabling attenuation), and modal bandwidth (for multimode fiber).