Alienware 15R3 SSD Slots Review & Upgrade Tips 2026

The Alienware 15R3 remains a gaming beast in 2026, with its dual M.2 SSD slots enabling lightning-fast storage upgrades. This 2017 model supports NVMe PCIe drives for boot times under 10 seconds.

Our in-depth review covers compatibility, installation, and performance boosts, helping you maximize this laptop's potential for modern titles.

SSD Slot Specifications

Two M.2 slots: PCIe 3.0 x4 for max speeds.

  • Slot 1: 2280 size, NVMe/SATA.
  • Slot 2: Identical, RAID capable.

Best SSD Upgrades

Top picks for 2026 performance.

  • Samsung 990 Pro 2TB - 7,450MB/s reads.
  • WD Black SN850X - Budget king, heatsink.

Step-by-Step Install Guide

Easy DIY with basic tools.

  • Backup data, remove bottom panel.
  • Insert at 30-degree angle, secure.

Performance Benchmarks

Post-upgrade gains in 2026 games.

  • Load times: 70% faster.
  • 4K textures seamless.