Installing System Memory

Asus Desktop board Prime X299-A has eight 288-pin DDR4 DIMM sockets arranged in four channels (A, B, C, and D).  

For optimal memory Temporary storage for information, including applications and documents. The information must be stored to a permanent device, such as a hard disc or CD-ROM before the power is turned off, or the information will be lost. Computer memory is measured in terms of the amount of information it can store, commonly in megabytes or gigabytes. performance:

• Install DIMMs in numerical order (1-8).

• For dual-, and quad-channel operation install matched DIMMs of equal speed and size in each channel.

• If you are installing four or fewer DIMMs, use the lighter coloured sockets.

• Using a DIMM with a voltage rating higher than 1.4 V may damage the processor.

To install a DIMM, follow these steps:

1. Observe the precautions in "Before You Proceed".  

2. Turn off all peripheral Any external device attached to a computer to enhance operation. Examples include external hard drive, scanner, printer, speakers, keyboard, mouse, trackball, stylus and tablet, and joystick. devices connected to the computer. Turn off the computer and disconnect the AC power cord.

3. Remove the computer’s cover and locate the DIMM sockets.

4. Make sure the clips at either end of the DIMM socket(s) are pushed outward to the open position.

5. Holding the DIMM by the edges, remove it from its anti-static package.

6. Position the DIMM above the socket. Align the small notch at the bottom edge of the DIMM with the keys in the socket.

7. Insert the bottom edge of the DIMM into the socket.

8. When the DIMM is inserted, push down on the top edge of the DIMM until the retaining clips snap into place.  Make sure the clips are firmly in place.

9. Replace the computer’s cover and reconnect the AC power cord.