$out = new-object byte[] 53687091200 (New-Object Random).NextBytes($out) [System.IO.File]::WriteAllBytes('C:\test\50GB.bin', $out) Warning: This will consume 50 GB of RAM temporarily – not recommended on systems with <64 GB RAM.
In the world of data storage, network benchmarking, and software development, small test files (like a 1 MB text document) simply don’t cut it anymore. Modern systems are built for scale: 4K video streams, massive databases, cloud backups, and high-speed LANs. To truly stress-test these systems, you need a 50 GB test file . 50 gb test file
$file = [System.IO.File]::OpenWrite("C:\test\50GB.bin") $buf = New-Object byte[](1024*1024) # 1 MB buffer for($i=0; $i -lt 51200; $i++) $file.Write($buf, 0, $buf.Length) $file.Close() For instant creation (without writing actual data – good for testing file system limits, not speed): $out = new-object byte[] 53687091200 (New-Object Random)
| Source | Link | Content | Speed | |--------|------|---------|-------| | | thinkbroadband.com/download | 10, 100, 200 GB files | ~1 Gbps | | Cloudflare Speed Test | speed.cloudflare.com/__down?bytes=53687091200 | Random bytes | Varies | | Google Drive test file (community) | (Search for "50GB test file Google Drive" – but verify checksum) | Usually zeros | Limited | | Your own cloud bucket | Create an S3 presigned URL for a 50 GB file | Any | Depends on your cloud | To truly stress-test these systems, you need a
fallocate -l 50G testfile.sparse To force real allocation:
For exact 50,000,000,000 bytes (if you prefer decimal GB): use 50000000000 . Ideal for generating random-content files (slower but realistic):