How to Install 2 RAM Sticks in 4 Slots Motherboard

Properly install 2 RAM modules in a 4-slot motherboard for optimal performance in 2026 PCs. Avoid dual-channel issues with this detailed guide.

Works for DDR5/DDR4 on Intel/AMD boards like MSI Z790 or B650.

Preparation Steps

Gather tools: Phillips screwdriver, anti-static wristband. Power off PSU.

  • Check motherboard manual for slots (A2/B2 usually)
  • Verify RAM compatibility (speed, voltage)
  • Ground yourself

Locating Correct Slots

4-slot boards: Slots 2&4 (or A2/B2) for dual-channel.

  • Consult manual diagram
  • Color-coded often: DDR4 black/white
  • Avoid slots 1&3 initially

Installation Process

Open clips, align notch, press firmly.

  • 1. Release slot latches
  • 2. Align gold contacts/notch
  • 3. Press until clicks
  • 4. Repeat for second stick

Post-Install Verification

Boot to BIOS, run MemTest86.

  • Enter BIOS (Del/F2)
  • Enable XMP for rated speeds
  • Test stability 4+hrs

Troubleshooting Errors

No POST? Reseat or test singly.

  • Clean contacts with eraser
  • Update BIOS
  • Check for bent pins

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