OM4 LC to LC Fiber Patch Cable 75m/246ft - High-Speed OM4 Duplex

In this review the SpeedyCables OM4 LC to LC 75m/246ft fiber patch cable is evaluated for data centers and high-bandwidth network setups; it is aimed at IT engineers and network installers who need reliable multimode connectivity over medium distances. The single biggest reason to buy is straightforward: this 50/125um OM4 duplex cable delivers up to 100Gbps transmission with predictable performance, making it a practical choice when long runs and low loss are priorities in telecom rooms, server racks, or SAN environments.

Key Features

• High-Speed Performance: Designed for 10G, 40G, and 100G Ethernet, the OM4 fiber supports very high bandwidth for demanding network links.
• Extended Distance: The 4700 MHzkm @850nm bandwidth profile lets it reach hundreds of meters for 10G and 40G links and maintain signal integrity for shorter 100G runs.
• LSZH Safety Jacket: The Low Smoke Zero Halogen jacket reduces toxic emissions in enclosed spaces, which is important for indoor installations.
• Reliable Connectors: LC-LC connectors with zirconia ceramic ferrules provide low insertion loss and good return loss for steady, low-noise connections.
• Flexible Installation: A 7.5mm bend radius and a magenta OM4 identification color make routing in dense patch panels easier and less error prone.
• Transceiver Compatibility: Works with common SFP+, QSFP+ and similar multimode transceivers used in modern network hardware.

Who It's For

This cable is best for network administrators, data center technicians, and enterprise IT teams who need a dependable multimode duplex cable for backbone and server-to-switch links where OM4 performance and safety compliance matter. The length and bandwidth make it suitable for medium-length runs inside telecom rooms and between racks in larger closets.

It is less appropriate for single-mode long-haul links or for installers who need outdoor-rated armoring or gel-filled outdoor cables; those use cases require different fiber types or jackets designed for exterior exposure.

Pros & Cons

Pros

• Supports 10G/40G/100G Ethernet speeds up to the specified OM4 distances, providing clear performance benefits for high-bandwidth links.
• LSZH jacket improves safety in enclosed spaces by minimizing smoke and halogen exposure during a fire.
• Low insertion loss and high return loss from ceramic ferrules help maintain signal integrity across the 75m run.
• Magenta OM4 color and a tight bend radius make identification and routing in dense panels simple.

Cons

• Not intended for outdoor or armored applications, so a different cable is required for exterior runs.
• The length options and exact connector boot styles are not detailed here, so confirm patch panel fitment before ordering.

Specifications

Fiber Type	OM4 50/125um multimode duplex
Length	75m / 246ft
Connectors	LC to LC duplex
Bandwidth	4700 MHzkm @850nm
Supported Speeds	10G up to 400m, 40G up to 350m, 100G up to 125m
Jacket	LSZH (Low Smoke Zero Halogen), magenta
Insertion/Return Loss	Insertion loss ~0.3dB, return loss ~30dB

Our Verdict

The SpeedyCables OM4 LC-LC 75m patch cable is a practical, cost-effective choice for data center and enterprise indoor links that require OM4 bandwidth and safety-conscious jackets. It suits most rack-to-rack and patch panel connections where multimode performance and low-loss LC connectors matter, offering strong value for teams that want reliable 10G to 100G multimode runs without outdoor or armored requirements.

Frequently Asked Questions

Will this cable work with SFP+ and QSFP+ transceivers?
Yes, the OM4 multimode duplex LC connectors are compatible with common SFP+ and QSFP+ multimode transceivers used for 10G, 40G, and certain 100G SR links.

Is the jacket safe for indoor rack and server room use?
Yes, the LSZH jacket reduces smoke and halogen release in enclosed spaces, making it suitable for server rooms and telecom closets.

Can it be used outdoors?
No, this cable is intended for indoor installations; outdoor or direct-burial runs require specially rated outdoor or armored fiber cables.