Sensible pagefile (virtual memory) sizes for your amount of RAM — and why disabling the pagefile is a bad idea.
Updated 11 Nov 2026 · 2 min read
Quick answer
Enter your installed RAM and workload. The calculator recommends an initial and maximum pagefile size based on the long-standing guidance (system-managed for most people; 1.5× RAM as a manual starting point on smaller systems), adjusted for modern large-RAM machines.
Windows Virtual Memory Calculator
Sensible pagefile (virtual memory) sizes for your amount of RAM — and why disabling the pagefile is a bad idea.
What the pagefile is for
The pagefile is disk space Windows uses as overflow and crash-dump storage. Even with 32GB of RAM, some applications expect a pagefile to exist, and Windows needs one to write full crash dumps. ‘System managed’ is the right setting for nearly everyone; manual sizes make sense on space-starved system drives. If your RAM genuinely fills up, the fix is capacity — see RAM at 100%.
Frequently asked questions
Should I disable the pagefile with 32GB RAM?
No. Disabling it saves a few GB of disk and buys instability: apps that commit memory beyond physical RAM will crash outright instead of paging. Keep at least a small system-managed pagefile.
Pagefile on SSD — does it wear it out?
Paging writes are small next to normal SSD workloads; modern SSDs are rated for hundreds of terabytes written. Wear is not a practical reason to move or disable it.