Need some info for Lenovo Legion Pro 5 16IRX10 16" IPS QHD+ 240Hz i9-14900HX

Memory (RAM) expansion

From Lenovo PSREF/spec PDF for the 16IRX10:

• Slots: 2 × DDR5 SO‑DIMM, dual‑channel capable.

• Official spec: “Max memory up to 32 GB DDR5‑5600 offering.”

• Typical shipped configs:

  • 16 GB (1×16) with a free slot, or 2×8.

  • 32 GB (2×16) at 5600 MT/s.​

Enthusiast reports indicate that 64 GB (2×32) works, but usually with a drop in effective memory speed; Lenovo only guarantees 32 GB because that’s what they’ve validated.

Practical takeaways:

• Safe/official: up to 32 GB (2×16 GB DDR5‑5600).

• Likely possible but “use at your own risk”: 64 GB (2×32 GB) DDR5; expect JEDEC speeds and no vendor support if unstable.

Storage expansion

From Lenovo’s spec docs:

• Slots: 2 × M.2 2280 PCIe 4.0 ×4 NVMe.

• Official max: “Up to two drives, 2× M.2 2280 SSD; up to 1 TB each” in Lenovo’s tested configs.

• Some PSREF variants list 1 TB 2242 as well, but the physical slots are 2280 PCIe 4.0 ×4.

In practice this means:

• You can add a second PCIe 4.0 ×4 NVMe 2280 SSD alongside the factory drive.

• Higher‑capacity drives (2 TB, 4 TB) usually work fine even though Lenovo only lists 1 TB as “max tested” for each slot; that limit is validation, not a hard controller limit.

Other expansion / connectivity

• External displays: up to 4 independent total (internal + 3 external via HDMI + USB‑C).​

• HDMI: up to 8K@60 Hz with DSC.​

• USB‑C: also supports up to 8K@60 Hz with DSC; one port can provide 100 W USB‑PD input.

• Networking: 1 GbE, Wi‑Fi 6 (802.11ax), Bluetooth 5.2 (varies by WLAN card used).​

• Security: Firmware TPM 2.0.​

What you can realistically upgrade

• RAM:

  • From 16 GB → 32 GB: swap to 2×16 GB DDR5‑5600 SO‑DIMMs.

  • 64 GB: 2×32 GB DDR5; should work but is unsupported and may downclock.

• Storage:

  • Add a second PCIe 4.0 ×4 NVMe 2280 SSD in the empty slot.

  • Replace the factory SSD with a larger one (e.g., 2 TB or 4 TB), within thermal limits.