HP Laptop 15-ef2xxx Hardware Upgrade Guide

  • CPU: AMD Ryzen 5 5500U (6 cores, 12 threads, up to 4.0 GHz)
  • Form Factor: 15.6” laptop (HP Laptop 15-ef2xxx series)

Max RAM Capacity & Current Configuration

  • Maximum Supported Capacity: 32 GB (2 × 16 GB modules)
  • Total Slots: 2 SODIMM slots
  • Current Installed RAM (12 GB total):
    • Slot 1: 8 GB DDR4-3200 SODIMM
    • Slot 2: 4 GB DDR4-3200 SODIMM

Upgrade Options

  • To 16 GB: Replace the 4 GB stick with an 8 GB DDR4-3200 SODIMM (giving 8 GB + 8 GB = 16 GB dual-channel).
  • To 32 GB (Max recommended): Replace both sticks with a 32 GB kit (2 × 16 GB DDR4-3200 SODIMM).

Search Keywords to Buy RAM

When shopping on Amazon, Tokopedia, Shopee, Newegg, or any retailer, search for:

DDR4 SODIMM 3200MHz 16GB

or for a dual kit:

DDR4 SODIMM 3200MHz 32GB kit 2x16GB

Key Specs to Double-Check

  • Form Factor: SODIMM (laptop RAM, 260-pin — not standard desktop DIMM)
  • Type: DDR4
  • Speed / Frequency: 3200 MHz (also listed as PC4-25600 / 3200 MT/s)
  • Voltage: 1.2V (Non-ECC, Unbuffered)

For best compatibility, match the existing module's part number when upgrading one stick. If replacing both, a matched kit ensures dual-channel performance.

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