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How long does it take to copy 50 GB over WiFi 5? Peak link rate

5m 7s is the WiFi 5 peak-link calculation for 50 GB. Actual time varies with range, client capabilities, and congestion. For a predictable transfer time, plug in.

A 50 GB transfer over WiFi 5 works out to about 5 minutes 7 seconds at the 1.3 Gbps peak link rate. 802.11ac's 1.3 Gbps figure is a nominal peak, not a guarantee of application throughput. Walls, interference, and distance make real transfers slower.

By TechCompare · Updated

Transfer time
5m 7s
At peak link speed
File size
50 GB
50 GB
Link speed
1.3 Gbps
WiFi 5

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Estimated Transfer Time
5m 7s
about 250,000 pages of PDFs

How this is calculated

Close to the router on a clean channel, WiFi 5 can push 600-800 Mbps briefly. Through a wall or at range, 200 Mbps is more realistic, doubling the transfer time to ~34 minutes. That's why large transfers over WiFi feel inconsistent. The link rate changes moment to moment. If consistency matters, wired Gigabit at ~110 MB/s sustained is a cleaner choice for large transfers even in a WiFi-first home.

Verdict

50 GB at WiFi 5's 1.3 Gbps peak link rate works out to about 5 minutes 7 seconds. 802.11ac's nominal peak assumes a clean link, so signal loss, channel contention, and protocol overhead make real transfers slower. Wired still wins for predictable transfer time because a Gigabit Ethernet link has a fixed 1 Gbps ceiling rather than a variable radio link.

More Wireless scenarios

100 GB over USB 3.0
A 100 GB transfer over USB 3.0 works out to exactly 2 minutes 40 seconds at the interface's 5 Gbps peak rate.
View details ➜
1 TB over USB 3.0
A 1 TB transfer over USB 3.0 works out to 26 minutes 40 seconds at the interface's 5 Gbps peak data rate.
View details ➜
4 GB over USB 2.0
A 4 GB transfer over USB 2.0 works out to 1 minute 6 seconds at the interface's 480 Mbps peak rate.
View details ➜

Frequently asked questions

Why is my WiFi 5 speed slower than 1.3 Gbps?
The 1.3 Gbps figure is a theoretical maximum. Real-world conditions like walls, network congestion, and distance drop actual speeds to 300-500 Mbps.
Why is my WiFi 5 speed lower than 1.3 Gbps?
The 1.3 Gbps figure is the nominal peak for a particular 802.11ac configuration. Distance attenuation, channel congestion, client capabilities, and protocol overhead reduce the application rate below the link rate.
Is WiFi 5 fast enough to replace Gigabit Ethernet for home file transfers?
Often yes. Single-stream WiFi 5 can sustain 30-50 MB/s, which is enough for streaming 4K video, light file sharing, and backups. But Gigabit Ethernet still wins for sustained bulk transfers: 1 TB takes about 2 hours 13 minutes at the 1 Gbps line rate versus more than 5 hours at the WiFi scenario's sustained rate. WiFi wins on convenience, Ethernet wins on reliability and speed.