What fiber optic cable is used for 10 Gigabit multimode fiber

OM3 and OM4 multimode fiber cables are the standard choice for 10 Gigabit Ethernet, with OM3 supporting up to 300 meters and OM4 up to 550 meters.Recommended Fiber TypesFor 10 Gigabit Ethernet over multimode fiber (MMF), the most widely used fiber types are OM3 and OM4, which are laser-optimized 50/125 µm fibers designed for use with 850 nm VCSEL (Vertical-Cavity Surface-Emitting Laser) sources . These fibers are optimized for high-speed, short-reach applications such as data centers and enterprise LANs.OM3 Fiber: Supports 10GbE up to 300 meters. It has a core diameter of 50 µm and is typically identified by an aqua-colored jacket. OM3 is suitable for most standard 10GbE deployments and is compatible with legacy OM2 installations .OM4 Fiber: Extends the 10GbE reach to up to 550 meters due to higher modal bandwidth (4700 MHz·km). OM4 is fully backward compatible with OM3 and OM2 fibers and is ideal for longer links or future-proofing networks .Older Fiber TypesOM1 (62.5 µm core): Supports 10GbE only up to 33 meters and uses LED light sources. It is largely obsolete for modern 10GbE networks .OM2 (50 µm core): Supports 10GbE up to 82 meters with LED sources. It is also mostly replaced by OM3/OM4 in current deployments .Emerging Fiber TypeOM5: Designed for short-wavelength division multiplexing (SWDM), OM5 supports multiple wavelengths (850–953 nm) and is optimized for future high-speed applications. For standard 10GbE at 850 nm, OM5 performs similarly to OM4 and does not provide additional distance benefits .Practical ConsiderationsSFP+ Transceivers: 10GBASE-SR modules are commonly used with OM3/OM4 fibers for short-reach 10GbE links, providing cost-effective, low-latency connectivity in data centers .Deployment: OM3 is sufficient for most 10GbE links under 300 meters, while OM4 is recommended for longer distances or high-density environments where future upgrades to 40/100GbE may be anticipated . In summary, for reliable 10 Gigabit multimode fiber networks, OM3 and OM4 laser-optimized fibers are the standard, with OM4 offering extended reach and higher bandwidth for future-proofing. Older OM1 and OM2 fibers are generally unsuitable for modern 10GbE deployments due to their limited distance and LED-based design.