Ultrafast uploads and downloads
Completely Symmetrical Connectivity
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Speeding up the Cloud

Traditionally, download times have been far more important than uploads, with relatively few uses for fast uploads. However, that's increasingly changing. The prevalence of Cloud-based solutions and storage has resulted in an unprecedented level of demand for high upload speeds - not that surprising considering that the average UK upload speed is roughly an eighth of the average download speed.

With future-proof DarkLight connectivity, we've completely solved the problem of slow upload speeds. Our connections are completely symmetrical, which means that you get the same great speed whether you're uploading or downloading (though various factors can result in minor differences), hugely speeding up your uploads, making it quicker than ever to use Cloud services.

DarkLight delivers some of the world's fastest Internet, with 10 Gbps performance available today across our DarkLight Cities, along with other options such as 300 Mbps and gigabit symmetrical connectivity.

Read on for more information about what advantages DarkLight has for schools and businesses, or get in touch with our team today at 0345 145 1234 to see how you can benefit.

Symmetrical ultrafast connectivity makes uploads just as fast as downloads

Facts about Symmetrical Internet

No matter which of our connection options you pick, you can be sure of ultrafast, symmetrical performance at all times - here's some more facts you can be sure of:


• DarkLight connections are provided direct to you, which means that you'll always receive the speeds that we advertise, not a fraction of them.

• Built for reliability, DarkLight is backed up with a 99.9% uptime Service Level Agreement, which means that you'll practically never have to deal with downtime on your connection.

• As truly future-proofed connectivity, DarkLight lets you upgrade your connection speed at practically any point, whether you want a permanent or upgrade or just need temporarily faster performance.

• While DarkLight provides some of the world's fastest, most flexible connectivity, it does so at a significantly lower price point than equivalent leased lines, with prices starting at the equivalent of just £299 a month!

DarkLight Speed Comparison

Wondering how the speeds DarkLight offers measure up in real-world situations? Click any of the boxes below for some demonstrations - keep in mind that these speeds are approximate, with several factors affecting file transfer speeds.

Approximate time to transfer 100 high quality photos (400 MB)

DarkLight - 10 Gbps

~0.3 seconds

DarkLight - Gigabit

~3.4 seconds

DarkLight - 300 Mbps

~11.3 seconds

Average UK downloads (2016) - 28.9 Mbps

~1 minute, 56 seconds

Average UK uploads (2016) - 3.7 Mbps

~14 minutes

Approximate time to transfer an HD film (4 GB)

DarkLight - 10 Gbps

~3.4 seconds

DarkLight - Gigabit

~34 seconds

DarkLight - 300 Mbps

~1 minute, 55 seconds

Average UK downloads (2016) - 28.9 Mbps

~19 minutes, 45 seconds

Average UK uploads (2016) - 3.7 Mbps

~2 hours, 23 minutes and 10 seconds

Approximate time to transfer a full Blu-Ray disc (50 GB)

DarkLight - 10 Gbps

~43 seconds

DarkLight - Gigabit

~7 minutes, 9 seconds

DarkLight - 300 Mbps

~23 minutes, 51 seconds

Average UK downloads (2016) - 28.9 Mbps

~4 hours, 6 minutes and 50 seconds

Average UK uploads (2016) - 3.7 Mbps

~1 day, 5 hours, 49 minutes, 34 seconds

Approximate time to transfer an terabyte (1000 GB)

We've speeded up this comparison to 10 times the actual speed. However, the time estimates you'll see pop in are still accurate - with 10 Gbps DarkLight, you can upload or download a terabyte in about 15 minutes.

DarkLight - 10 Gbps

~14 minutes, 40 seconds

DarkLight - Gigabit

~2 hours, 26 minutes and 36 seconds

DarkLight - 300 Mbps

~7 hours, 57 minutes and 13 seconds

Average UK downloads (2016) - 28.9 Mbps

~3 days, 12 hours and 15 minutes

Average UK uploads (2016) - 3.7 Mbps

~25 days, 10 hours and 50 minutes

Find out more about DarkLight Connectivity

We've built DarkLight from the ground up to be the last Internet connection you'll ever need to install. With world-class speeds available at all times, you'll never have to worry about your connection speed again, while our low prices significantly cut down on your costs.

If you're wondering what kind of difference DarkLight can make for your organisation, or want to know more about the features and advantages it offers, don't hesitate to get in touch with our team at 0345 145 1234!