Indoor Ultra Thin Micro Armor (Plenum) 50/125 10/40/100G OM4 Multimode Fiber Optic Cable by the Foot

Our Indoor Ultra Thin Micro Armor (Plenum) 50/125 OM4 Multimode Fiber Optic Cable offers high-performance bandwidth for modern networks while delivering unmatched flexibility and protection. This advanced cable utilizes Micro Armor Fiber™ technology, which replaces traditional bulky interlocking armor with a lightweight stainless steel coil armor. The result is an ultra-thin, crush-resistant, and rodent-resistant fiber cable that is ideal for tight pathways and demanding indoor applications. It’s plenum-rated, supporting safe use in air-handling spaces per NFPA standards, and is fully optimized for 10/40/100 Gigabit Ethernet transmission over multimode fiber.

2 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot
2 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot

$1.01
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4,099 Feet available, (41200 on the way)
FBTF-I-MA-OM4-2
5 business days

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6 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot
6 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot

$2.40
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459 Feet available, (200000 on the way)
FBTF-I-MA-OM4-6
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12 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot
12 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot

$4.26
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23,962 Feet available, (85000 on the way)
FBTF-I-MA-OM4-12
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24 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot
24 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot

$7.24
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9,505 Feet available, (20000 on the way)
FBTF-I-MA-OM4-24
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48 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot
48 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot

$14.50
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3000 on the way
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FBTF-I-MA-OM4-48

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144 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot
144 Strand Indoor Plenum Rated Ultra Thin Micro Armored Multimode 10/40/100 GIG OM4 50/125 Fiber Optic Cable by the Foot

$33.98
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430 Feet available
FBTF-I-MA-OM4-144
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Micro Armor Grounding Kit for 2 through 24 Strand Micro Armor Fiber Optic Cable
Micro Armor Grounding Kit for 2 through 24 Strand Micro Armor Fiber Optic Cable

$32.66
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TF-GC01

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Micro Armor Grounding Kit for 48 through 144 Strand Micro Armor Fiber Optic Cable
Micro Armor Grounding Kit for 48 through 144 Strand Micro Armor Fiber Optic Cable

$64.50
Icon On Backorder Until 8/7/2026
TF-GC02

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QuickTreX® Heavy Duty Folding Cable Reel Caddy for Deploying Fiber Optic, Ethernet, Coaxial, Electrical, Audio, and other Cable Reels up to 20 Inches in Diameter by 18 Inches Wide up to 90 Lbs
QuickTreX® Heavy Duty Folding Cable Reel Caddy for Deploying Fiber Optic, Ethernet, Coaxial, Electrical, Audio, and other Cable Reels up to 20 Inches in Diameter by 18 Inches Wide up to 90 Lbs

$54.95
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31 Unit(s) available
QT-CC-20-18-90
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Micro Armor® Removal Tool for Assistance in the Removal of the Stainless Steel Spring Tube Armor on 1 to 24 Fiber / Strand Fiber Optic Cabling
Micro Armor® Removal Tool for Assistance in the Removal of the Stainless Steel Spring Tube Armor on 1 to 24 Fiber / Strand Fiber Optic Cabling

$127.23
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733 Unit(s) available
MART-1-24F
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Built for Your Application

This line of fiber-by-the-foot indoor armored cable is ideal for customers who need both the flexibility of customized cable lengths and the protection of armored construction—without the bulk and weight of traditional armored fiber. With cut-to-length availability, you can eliminate waste and reduce excess cable slack in your installations. Its slim profile makes it easier to pull through conduit or tight spaces, often without needing extra installers or heavy handling equipment. Whether you're building out an in-building backbone or terminating a headend rack, this cable provides a streamlined solution that adapts to your specific layout and performance needs.

Key Features & Benefits:

  • Ultra-thin Micro Armor design for exceptional flexibility and compact routing

  • Stainless steel coil armor provides crush and rodent resistance without added weight

  • Plenum-rated jacket for use in return air spaces and other code-compliant indoor environments

  • Compatible with 10/40/100G OM4 multimode performance for high-speed backbones

  • Cut-to-length ordering eliminates waste and excess

  • Up to 75% lighter and 65% smaller than traditional aluminum interlocking armored cable

  • Supports tool-less cable routing in many indoor environments

  • Reduces need for innerduct or conduit, saving time and installation costs

  • Available grounding kits and cable deployment caddies enhance installation efficiency

Available Configurations for These Products

These products are stocked and sold by the foot, making them highly flexible for installations of any size. While they are not customizable beyond strand count and length, we offer other pre-terminated or custom solutions elsewhere on our site if you require end-to-end assemblies.

  • Strand Count Options: Available in 2, 4, 6, 12, 24, 48, 72, 96, and 144 strand variations

  • Cable Lengths: Choose any length from 10 feet to 5000 feet, sold by the foot

  • Connector Options: These are bulk cable only—connectors are not pre-installed. If needed, view our pre-terminated options or fiber termination kits.

  • Pulling Eye: Not applicable to these bulk cables, but pulling equipment such as reel caddies is available

  • Accessories: Optional grounding kits for armored protection and cable deployment tools available

Common Uses for Indoor Ultra Thin Micro Armor (Plenum) 50/125 10/40/100G OM4 Multimode Fiber Optic Cable by the Foot

  • Indoor fiber backbones within buildings and campuses

  • Data center cabling where tight routing and flexibility are critical

  • Multi-floor distribution where specific fibers are dropped at each level

  • Rack-to-rack connections in enterprise environments

  • Industrial environments that require protection without the bulk of rigid armor

  • Headend terminations where space is limited and clean routing is essential

  • Code-compliant installs in plenum spaces or return air plenums

FAQ

Is this cable already terminated?

No, this product is bulk fiber optic cable sold by the foot. If you need terminated fiber assemblies, check out our custom pre-terminated Micro Armor options.

What makes this cable "ultra thin"?

The Micro Armor design uses a stainless steel coil, which replaces bulky aluminum interlocking armor, resulting in a cable that is significantly slimmer and lighter without sacrificing protection.

Can I install this in a plenum space?

Yes, this cable is plenum-rated and meets NFPA fire safety standards for use in plenum air spaces.

How flexible is this cable?

It’s extremely flexible compared to traditional armored fiber. You can easily route it through tighter bends and compact areas without damage or kinking.

Can I request a specific length?

Absolutely. This cable is sold by the foot, so you can order the exact length you need, from 10 feet to 5000 feet, helping you avoid waste and overbuying.

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