FLYPROFiber LC to LC OM4 3M Duplex Fiber Patch Cable 4pack - High

In this review of the FLYPROFiber OM4 LC to LC 3M duplex patch cable 4pack, the bottom line is straightforward: it is aimed at installers and IT teams who need reliable, high-speed multimode links in dense racks and data center closets. The single biggest reason to buy is consistent low loss and bend-tolerant OM4 performance for 10G/40G/100G environments, delivered in a compact 3m length that suits cabinet runs. The reviewer found the construction, connector polish and clear A/B labeling practical for fast, repeatable installs.

Key Features

• OM4 multimode fiber: Provides the bandwidth and distance needed for 10G, 40G and 100G links, supporting long multimode runs within buildings.
• LC to LC duplex connectors: Standard LC connectors with UPC polish and zirconia ferrules give low insertion loss and stable alignment for transceivers.
• LSZH jacket: Low smoke zero halogen construction reduces toxic fumes in enclosed spaces and meets common premise installation expectations.
• 7.5mm minimum bend radius: The 50/125um fiber and cladding resist tight bends, helping maintain signal integrity in dense cabinet bends.
• Clear polarity labeling: Embossed A/B clips and numbered jacket tags speed identification of Tx and Rx during installation and testing.
• Factory tested: Each cable is tested for insertion loss and quality control, giving purchasers confidence in out-of-box performance.

Who It's For

The FLYPROFiber OM4 LC-LC 3M 4pack is best for network administrators, data center technicians and integrators who need dependable short-run multimode links for switches, QSFP+ or SFP+ transceivers and SAN cabinet patching. It is well suited for high-density racks where multiple bends and tight routing are common, and where LSZH jacket materials are preferred for safety.

Those who need singlemode long-haul fiber, custom armored cables for harsh outdoor use, or non-standard connectors should look elsewhere. This product focuses on indoor multimode performance rather than outdoor durability or specialty terminations.

Pros & Cons

Pros

• Consistent low insertion loss and high return loss from UPC polish and Japan-made zirconia ferrules.
• OM4 performance and 2000 MHzkm bandwidth at 850nm support 10G to 100G multimode applications.
• Practical LSZH jacket and clear A/B labeling make installation and troubleshooting faster in cabinet environments.
• Factory testing and a brand with fiber-focused experience provide reassurance about quality.

Cons

• Limited to multimode indoor use; not intended for long outdoor runs or singlemode systems.
• Some users reported mixed experiences on ease of use when pulling through extremely congested trays, though performance remained good.

Specifications

Brand	FLYPROFiber
Connector type	LC to LC duplex (UPC polish)
Fiber type	OM4 multimode 50/125um
Length	3m (10ft) per cable, 4pack
Jacket	LSZH (low smoke zero halogen)
Bandwidth	2000 MHzkm @850nm
Maximum practical distances	1G: 550m; 10G: 300m; 40G: 300m; 100G: 200m (at 850nm)

Our Verdict

The FLYPROFiber OM4 LC to LC 3M duplex 4pack is a practical, cost-effective choice for data center and enterprise premise installations that need short, high-bandwidth multimode connections. Its LSZH jacket, bend tolerance and factory-tested connectors make it a reliable option for dense cabinets and transceiver links, delivering good value for IT teams that want predictable performance without specialty customization.

Frequently Asked Questions

Can these cables support 40G and 100G connections?
Yes, the OM4 specification and stated distances support 40G and 100G short-reach multimode links with compatible transceivers.

Are these cables suitable for use in server cabinets with tight bends?
Yes, the 7.5mm minimum bend radius and bend-tolerant 50/125um construction help preserve signal integrity in dense rack routing.

Do the connectors include polarity identification?
Yes, embossed A/B clips and numbered jacket tags clearly identify Tx and Rx to simplify installation and troubleshooting.