ASRock Z370 Pro4 RAM Slots Guide 2026

The ASRock Z370 Pro4 remains a solid choice for 2026 builds, featuring four DDR4 RAM slots supporting up to 64GB. This guide details configuration, compatibility, and optimization for peak performance.

Originally launched for Coffee Lake CPUs, it supports dual-channel memory with speeds up to 4000+ MHz (OC). Perfect for gaming rigs or workstations.

Overview of ASRock Z370 Pro4 RAM Slots

Four DIMM slots (A1, A2, B1, B2) in dual-channel layout. Populate A2/B2 first for optimal performance.

  • Max capacity: 64GB (4x16GB)
  • Supported speeds: 2133-4000+ MHz
  • RGB lighting sync via Polychrome

Step 1: Check RAM Compatibility

Verify specs before purchase.

  • DDR4 non-ECC unbuffered
  • XMP profiles for easy OC
  • Brands: Corsair, G.Skill, Kingston

Step 2: Installing RAM Modules

Safe installation process.

  • 1. Power off, unplug PSU
  • 2. Release clips, insert at 45°
  • 3. Press until clips snap
  • 4. Boot to BIOS for verification

Step 3: Configuring in BIOS

Enable XMP for rated speeds.

  • 1. Enter BIOS (Del key)
  • 2. Load XMP Profile 1
  • 3. Save & Exit

Troubleshooting Common Issues

Fix boot failures or instability.

  • Reseat modules
  • Clear CMOS
  • Test one stick at a time
  • Update BIOS to latest 2026 version

Overclocking RAM on Z370 Pro4

Push beyond specs safely.

  • Start at 3200MHz
  • Increase voltage to 1.35V max
  • Stress test with MemTest86