OM4 LC-LC Fiber Patch Cable 1M 20-Pack - High-Density 40G/100G Patch

In this review the FLYPROFiber OM4 LC-LC 1m 20-pack is evaluated for network professionals who need reliable short-run multimode connections in dense data center or SAN cabinet setups. The single biggest reason to buy is predictable, low-loss performance for 10G/40G/100G transceivers in crowded racks, thanks to OM4 multimode glass, Japan-made zirconia ferrules and a tight minimum bend radius that keeps signal integrity when cables are routed through tight spaces.

Key Features

• OM4 Multimode: Provides higher bandwidth and distance headroom for 10G, 40G and 100G Ethernet links in short- to medium-reach environments.
• 1m Length, 20-Pack: Offers a convenient bulk supply of short patch cables for high-density racks or SANs, reducing clutter and inventory juggling.
• Low Insertion Loss: UPC polish with Japan-made zirconia ceramic ferrules delivers low insertion loss and high return loss for stable links.
• 7.5mm Minimum Bend Radius: A small bend radius and 50/125um fiber construction make the cables tolerant of tight routing without large optical penalties.
• LSZH Jacket: Low smoke zero halogen jacket reduces toxic fume risk in enclosed installations and meets safety-conscious deployments.
• Clear Identification: Duplex clips and embossed A/B labeling make Tx/Rx identification and troubleshooting faster during installation.

Who It's For

The kit suits network engineers, data center technicians and system integrators who install or maintain high-density 10G/40G/100G links and want consistent, factory-tested patch cables for short runs. It is particularly useful in equipment cabinets, SAN racks and patch panels where dozens of short connections are required and identifying Tx/Rx quickly saves time.

Those who need longer single runs beyond the listed maximum distances or single-unit retail packaging for consumer use should look elsewhere. Home users without multimode transceivers or small offices that do not use 10G+ equipment will not benefit from OM4 performance at this scale.

Pros & Cons

Pros

• High bandwidth OM4 fiber supports 10G to 100G multimode transceivers with predictable distances and low loss.
• Bulk 20-pack of 1m cables simplifies deployments in racks and reduces the need to order multiple single cables.
• Durable LSZH jacket and precision ferrules deliver stable performance and easy identification under load.
• Small minimum bend radius makes these cables suitable for cramped cabinet runs.

Cons

• Fixed 1m length may not fit every layout, requiring additional cable management or adapters for longer runs.
• Designed for multimode transceivers only; not suitable for single-mode long-haul connections.

Specifications

Connector Type	LC to LC duplex
Fiber Type	OM4 multimode 50/125um
Length	1m (3ft) per cable, 20-pack
Jacket	LSZH (low smoke zero halogen)
Bend Radius	7.5mm minimum
Bandwidth	2000 MHzkm @850nm
Typical Distances	1G: 550m, 10G: 300m, 40G: 300m, 100G: 200m at 850nm

Our Verdict

The FLYPROFiber OM4 LC-LC 1m 20-pack is a pragmatic choice for data center and enterprise teams that need consistent, low-loss short patch runs in dense cabinets. It is good value for bulk-installed multimode 10G/40G/100G environments, offering useful labeling, durable LSZH jackets and factory-tested performance for reliable links.

Frequently Asked Questions

Are these cables suitable for 40G and 100G transceivers?
Yes, the OM4 specification and LC-LC duplex format are suitable for many 10G, 40G SR and 100G SR multimode transceivers within the listed distances.

Can I bend these cables tightly around cabinet corners?
They have a 7.5mm minimum bend radius and 50/125um construction to tolerate tight routing, but avoid repeated severe bends to preserve loss performance.

Is the jacket safe for enclosed rooms?
The LSZH jacket reduces smoke and toxic gas emission in case of fire, making it appropriate for enclosed, safety-sensitive installations.