SpeedyFiberTX 2-Pack 4 Meter LC to LC Singlemode Patch Cable

In this review the SpeedyFiberTX 2-Pack 4 Meter LC to LC fiber patch cables are evaluated for installers and IT teams who need short, dependable singlemode links. The single biggest reason to buy is the use of Corning SMF-28 Ultra Optical Fiber, which delivers industry-leading low attenuation and improved bend performance in a slim 2.0mm zipcord that is easy to route in racks and tight enclosures. For anyone deploying metro, access, FTTH, or data center links that require predictable insertion and return loss, this kit is a practical, tested choice.

Key Features

• Corning SMF-28 Ultra Optical Fiber: Provides low attenuation and enhanced macrobend performance that supports long-haul and FTTH applications while remaining compatible with legacy single-mode fiber.
• LC to LC duplex terminations: Durable LC duplex connectors with ceramic ferrules and short boots make them easy to install in dense patch panels and SFP transceivers.
• Riser OFNR jacket: The 2.0mm yellow zipcord uses an OFNR PVC jacket for standard riser applications and easy visual identification in cable bundles.
• Measured performance: Every connector termination is tested for insertion loss and return loss, offering predictable network performance out of the bag.
• Slim and flexible construction: Lightweight 2.0mm zipcord is simple to manage in trays and conduits without adding bulk.

Who It's For

These 4 meter LC to LC duplex cables are best for network technicians, small to medium data centers, and installers deploying FTTH or metro access where short interconnects and SFP transceiver connections are required. The Corning SMF-28 fiber makes them suitable for long-reach links where low attenuation and bend tolerance matter.

Those who need armoured, outdoor-rated, or multi-mode solutions should look elsewhere; this product is a singlemode riser-rated zipcord intended for indoor installations and patching, not direct burial or plenum applications.

Pros & Cons

Pros

• High-quality Corning SMF-28 fiber gives excellent attenuation and bend performance for reliable links.
• Tested LC terminations ensure low insertion loss and high return loss for predictable behavior with SFPs and switches.
• Slim 2.0mm zipcord and color-coded shrink tubing make routing and polarity identification straightforward.

Cons

• Riser OFNR jacket is suitable for indoor riser spaces but not for outdoor, plenum, or direct burial use.

Specifications

Fiber	Corning SMF-28 Ultra Optical Fiber, 9/125um singlemode
Connector	LC to LC duplex, ceramic ferrule
Cable Jacket	Yellow 2.0mm zipcord, OFNR PVC riser
Insertion Loss	0.2 dB
Return Loss	50 dB
Attenuation	0.32 dB/km at 1310nm, 0.18 dB/km at 1550nm
Operating Temp	-20C to +70C

Our Verdict

The SpeedyFiberTX 2-Pack 4 meter LC to LC singlemode patch cables are a solid, cost-effective choice for installers and network teams that need reliable short links with proven fiber performance. Backed by Corning SMF-28 technology and factory-tested connectors, they deliver consistent attenuation and bend tolerance in a slim riser-rated zipcord, making them good value for indoor FTTH, metro, and data network patching.

Frequently Asked Questions

Are these cables singlemode or multi-mode?
They are singlemode cables using Corning SMF-28 Ultra Optical Fiber, 9/125um.

Can I use them with SFP transceivers?
Yes, the LC duplex terminations are compatible with standard singlemode SFP transceivers and media converters.

Are these cables suitable for outdoor runs?
No, the jacket is OFNR riser-rated PVC for indoor use; choose an outdoor or armored cable for exterior installations.