- Home
- Hardware Diagnostic Software
- MemTest64
MemTest64
What it is
MemTest64 is a free utility for checking system memory for hardware-level problems. It runs inside Windows with a graphical interface, loads physical memory with test patterns, and applies detection algorithms to identify errors automatically. You can choose how much memory to test to reduce the utility's operational impact. It requires no reboot or DOS mode, administrator privileges, installation, or registry changes. The listed processor support includes modern Intel Core and AMD Ryzen processors. MemTest64 supports 64-bit editions of Windows XP, Vista, 7, 8, 10, and 11. The maker says it can help overclockers adjust memory timings and DRAM speeds to maximize memory performance. TechPowerUp's utilities listing identifies version 1.0, dated April 20, 2017, and the product page links to a support forum. The utility is free; its listed plan is free.
For and against
For
- Automatically detects memory errors
- Users can control how much memory to test
- Runs without rebooting or administrator privileges
- No installation or registry modifications required
Against
- Supports 64-bit Windows only
- Listed version 1.0 is dated April 20, 2017
The verdict
MemTest64 offers a no-cost way to check memory from within Windows, with adjustable test allocation and automatic error detection. Its system support is limited to 64-bit Windows.
Who it suits
MemTest64 may suit Windows users checking memory for hardware-level errors, including overclockers adjusting memory timings and DRAM speeds. It is limited to 64-bit Windows systems.
Plans and prices
MemTest64
Free utility · 64-bit Windows only
Read 7 Oct 2026 · techpowerup.com
On the record
- Download version
- TechPowerUp's utilities listing identifies MemTest64 version 1.0, dated April 20, 2017.techpowerup.com · read 7 Oct 2026
- Error detection
- Errors are detected automatically.techpowerup.com · read 7 Oct 2026
- Installation
- It requires no installation and makes no registry modifications.techpowerup.com · read 7 Oct 2026
- Intended users
- The maker says it can help overclockers maximize memory performance by adjusting timings and DRAM speeds.techpowerup.com · read 7 Oct 2026
- Interface
- It is a lightweight, standalone utility with a graphical interface that runs from within Windows.techpowerup.com · read 7 Oct 2026
- Memory allocation
- The user can control how much memory to test to reduce operational impact.techpowerup.com · read 7 Oct 2026
- Memory testing
- It loads physical memory with test patterns and uses various detection algorithms to test memory.techpowerup.com · read 7 Oct 2026
- No reboot
- It runs without requiring a reboot or DOS mode.techpowerup.com · read 7 Oct 2026
- Permissions
- It does not require administrator privileges.techpowerup.com · read 7 Oct 2026
- Processors
- The software supports modern processors, including Intel Core and AMD Ryzen.techpowerup.com · read 7 Oct 2026
- Purpose
- MemTest64 checks system memory for hardware-level problems.techpowerup.com · read 7 Oct 2026
- Support
- The product page links to a MemTest64 support forum.techpowerup.com · read 7 Oct 2026
- Supported systems
- The listed supported systems are Windows XP, Vista, 7, 8, 10, and 11, all 64-bit only.techpowerup.com · read 7 Oct 2026
