LC to LC Multimode Fiber Patch Cable OM3 400ft - High Capacity

In this review the LC to LC Multimode Fiber Patch Cable OM3 400ft is evaluated for data centers and high-speed networks; it is best for IT professionals and facilities that need a reliable, high-bandwidth multimode link over medium distances. The bottom line: this RamboCables OM3 LC-LC duplex cord delivers stable 10G/40G/100G-ready multimode performance with low insertion loss and an LSZH jacket, making it a practical choice where signal quality and safety are priorities.

Key Features

• OM3 multimode construction: Provides a 2000 MHzkm @850nm bandwidth that supports 10Gb Ethernet to 300m, enabling long 10G runs without active conversion.
• LC to LC duplex ends: Standard LC connectors make it compatible with SFP+, QSFP+ and other common transceivers for straightforward patching.
• Low insertion and return loss: With an IL around 0.3dB and RL of 30dB the cable preserves signal integrity and reduces errors across links.
• LSZH jacket: The low-smoke, zero-halogen jacket reduces toxic fumes in case of fire, which is important for enclosed telecom rooms and data centers.
• 2.0mm cable diameter: Slim duplex construction helps save space in high-density racks and makes routing simpler through trays and panels.

Who It's For

Network engineers and data center technicians who need a dependable OM3 multimode patch cord for 10G SR, 40G BIDI SR or 100G short-reach applications will find this cable appropriate. It is also suited to enterprise server farms, telecom rooms and cloud storage interconnects where LSZH safety and compact duplex routing matter.

This cable is less suitable for singlemode metro long-haul links or for consumers who only need short, basic patching under 10m; those users should choose singlemode fiber or shorter multimode jumper options instead.

Pros & Cons

Pros

• High bandwidth OM3 fiber suitable for 10G/40G/100G short-reach installations.
• Low insertion loss and solid return loss that help maintain signal quality over the full length.
• LSZH jacket and compact 2.0mm duplex size keep installations safer and neater in dense racks.
• Constructed with 50/125m fiber cladding for standard multimode compatibility.

Cons

• Some users reported mixed durability with LC connectors, so careful handling during installation is advised.
• At extreme lengths installers may prefer factory-tested terminated assemblies for mission-critical links.

Specifications

Fiber type	OM3 multimode 50/125m
Connector	LC to LC duplex
Length	400ft (122m)
Cable diameter	2.0mm
Wavelength	850/1300nm
Bandwidth	2000 MHzkm @850nm
Jacket	LSZH (low-smoke zero-halogen)

Our Verdict

The 400ft OM3 LC to LC multimode patch cable is a practical, value-minded option for IT teams that need reliable short- to medium-range high-speed links with safety-minded jackets. It pairs standard LC connectivity and good optical specs to support 10G through 100G short-reach deployments, though careful connector handling is recommended to avoid the occasional durability issue noted by some customers.

Frequently Asked Questions

Can this cable be used for 10Gb Ethernet?
Yes. OM3 supports 10Gb Ethernet to about 300m at 850nm, making this cable suitable for typical 10G SR links.

Is the jacket safe for indoor data centers?
Yes. The LSZH jacket minimizes smoke and halogen emission, which is preferred in enclosed spaces and telecom rooms.

Will it work with SFP+ and QSFP+ modules?
Yes. The LC connectors and OM3 multimode core are intended for use with common SFP+, QSFP+ and similar multimode transceivers.