CPU-Z is a freeware which can collect details of CPU, Motherboard and Memory of your system
Name and number.
Core stepping and process.
Internal and external clocks, clock multiplier.
Supported instruction sets.
Vendor, model and revision.
BIOS model and date.
Chipset (northbridge and southbridge) and sensor.
Frequency and timings.
Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table.
Windows and DirectX version.
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RAMMon is an easy to use Windows based application that allows users to quickly retrieve the Serial Presence Detect (SPD) data from their RAM modules. It will allow users to identify a multitude of attributes, of which, includes the manufacturer, the clockspeed and other data of their DDR2, DDR3, XMP and EPP memory devices and even some older memory types. It uses SysInfo DLL SDK to gather the SPD attributes from RAM devices. This information provides a snapshot of the available data for each RAM module installed on the system.
RAMMon is free for personal use. Read more and download