MaytinhcongnghiepTools
Free to use, no sign-up required.
Machine selector
Filter machines by installation environment, power supply and I/O ports — starting from real conditions, not from the CPU.
Product comparison
Put 2–3 machines side by side with the differing cells highlighted, so you see at a glance where they differ.
Fault diagnosis
No power, lost COM ports, thermal hangs — follow a decision tree to narrow down the cause.
Power supply calculator
Estimate total power draw and heat dissipated inside the cabinet to size the PSU and plan ventilation.