All Discussions > Steam Forums > Help and Tips > Topic Details
jupu 30 Jun @ 4:42am
Download speed fluctuating
I have 300mbps internet, in internet speed test it says that. But when i download any game it downloads at 300mbps for like 1 minute and then it goes to 0, then 200, then 0, then 50, then stays at 0 and like a 15gb download takes like 2 hours. I have resetted my pc, no help. I have disabled write cache, no help. Im installing on my ssd. Please help this is really frustrating It only happens in steam and started happening a few days ago. Im using ethernet if it matters.

Image of the download speed graph fluctuating: https://imgur.com/a/R7w8hoe
Last edited by jupu; 30 Jun @ 4:49am
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Ettanin 30 Jun @ 4:56am 
Steam is very I/O intensive - it downloads encrypted and compressed diff chunks, decrypts them, then decompresses them. Thenafter, Steam stores a backup copy of the file pre-patch before applying the diff (creating another file), then deletes the backup copy.

Download speed is limited by:

* Your storage device's I/O capabilities
* Your CPU
* Your antivirus or other ring 0 kernel driver's (Firewall, device drivers, anti-cheats, ...) I/O efficiency
* Your ISP's peering agreements and infrastructure.

Pick one or multiple.

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1082209554
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All Discussions > Steam Forums > Help and Tips > Topic Details
Date Posted: 30 Jun @ 4:42am
Posts: 1
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