What speed should I get from Three broadband?

Three offers speeds up to 2Gb on SIRO fibre. Your actual speed depends on your plan, location, and connection type (FTTH fibre (SIRO)). You should expect to get at least 80% of your plan's advertised speed. Run the test above to check.

Why is my Three broadband slow?

Common reasons for slow Three broadband include: WiFi interference from walls or other devices, distance from your router, network congestion during peak hours (7-10pm), an outdated router, or too many connected devices. Try connecting via ethernet cable and running the speed test again to rule out WiFi issues.

How do I test my Three broadband speed?

Click the 'Start Test' button above. For accurate results: connect via ethernet cable if possible, close other apps, and ensure no other devices are streaming or downloading. The test measures download speed, upload speed, and ping on your Three connection.

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Three Speed Test

Test your Three broadband speed in seconds. Free, accurate, no ads.

Three uses the SIRO fibre network · Speeds up to 2Gb on SIRO fibre

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About Three Broadband in Ireland

Three Ireland offers home broadband exclusively over the SIRO fibre network, with speeds up to 2Gb. Competitive pricing with no TV bundle required.

Network

SIRO fibre network

Max Speed

up to 2Gb on SIRO fibre

Technology

FTTH fibre (SIRO)

Getting the Most from Your Three Connection

✓Three's broadband is SIRO-only — you'll get symmetric upload/download speeds.
✓Three offers some of the most competitive fibre prices in Ireland.
✓Check the Three coverage checker to verify SIRO availability at your Eircode.
✓Three's router supports WiFi 6 — position it centrally for the best whole-home coverage.

Is Your Three Speed Good Enough?

Compare your test result to these recommended speeds for common activities.

Activity	Minimum Speed
Email & web browsing	10 Mbps
HD video streaming (Netflix, Disney+)	25 Mbps
4K streaming & video calls	50 Mbps
Online gaming (low latency)	50+ Mbps
Working from home (multiple users)	100+ Mbps

Not Happy with Your Three Speed?

Compare all Irish broadband providers to find a faster, cheaper plan for your area.

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Frequently Asked Questions

A good broadband speed in Ireland depends on your household needs. For general browsing and HD streaming, 50-100 Mbps is sufficient. For 4K streaming, gaming, and multiple users, 150-500 Mbps is recommended. For heavy users and large households, 500+ Mbps fibre connections are ideal. The average broadband speed in Ireland is around 100 Mbps.

Click the 'Start Test' button above. The test measures your download speed, upload speed, and ping (latency). For the most accurate results, connect via ethernet cable, close other applications, and ensure no other devices are using your connection during the test. Run multiple tests at different times for the most accurate picture.

ISPs advertise 'up to' speeds which represent maximum possible performance. Actual speeds depend on factors like: distance from the exchange (for DSL), network congestion during peak times, WiFi interference from walls and other devices, your router's age and quality, and the number of devices connected. If you're consistently getting less than 80% of your advertised speed, contact your provider.

Ping (latency) measures how quickly your connection responds, in milliseconds. Lower ping is better. Under 20ms is excellent for competitive gaming, 20-50ms is good for video calls and casual gaming, and under 100ms is acceptable for general use. High ping causes lag in video calls, delays in online gaming, and slow-loading websites. Fibre connections typically have the lowest ping.

Try these tips: 1) Move your router to a central location away from walls and metal objects, 2) Use ethernet cables for devices that need stable connections like gaming consoles or work computers, 3) Update your router firmware regularly, 4) Use the 5GHz WiFi band instead of 2.4GHz for faster speeds, 5) Check for background downloads or streaming on other devices, 6) Consider a mesh WiFi system for larger homes, 7) If speeds are consistently poor, consider upgrading to fibre broadband.

Download speed is how fast you can receive data from the internet - important for streaming, browsing, and downloading files. Upload speed is how fast you can send data - important for video calls, uploading photos/videos, cloud backups, and working from home. Most home connections have faster download than upload speeds. If you work from home with lots of video calls, upload speed matters more.

Fibre broadband offers significant advantages: faster speeds (up to 5Gbps vs ~70Mbps for DSL), lower latency for gaming and video calls, more reliable connection, and symmetric upload/download speeds with FTTH (Fibre to the Home). For households with multiple users, 4K streaming, gaming, or remote work, fibre is highly recommended. Prices have dropped significantly and fibre is often the same price as slower DSL connections.

We recommend testing your speed: when you first get a new broadband connection (to verify advertised speeds), if you notice streaming or gaming issues, during different times of day to check for peak-time slowdowns, after changing router settings or position, and monthly as a general check. Keep a record of your tests to identify patterns or degradation over time.