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LG Gram Pro 17 17T90S — RAM, SSD & Charger Compatibility Guide (2024)

LG LG Gram Pro 17 17T90S (2024) Specifications

The LG LG Gram Pro 17 17T90S (2024) is an ultraportable laptop designed for productivity and portability. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all LG upgradeable models, visit the LG Laptop Upgrades hub.

ComponentSpecification
ProcessorUltra 7 155H
RAMLPDDR5x, 0 slots (soldered)
Max RAM32GB (soldered)
StorageM.2 2280 NVMe PCIe Gen4, 2 slots
Charger72W USB-C
Ports2x Thunderbolt 4, 1x USB 3.2, 1x HDMI 2.0
Display17.0″ WQXGA OLED
Weight1.35 kg (2.98 lbs)

Memory Upgrade Path

High-performance DDR5 RGB RAM module
High-performance DDR5 RGB RAM module

The LG Gram Pro 17 17T90S has soldered LPDDR5x RAM (32GB (soldered)) which cannot be upgraded after purchase. Select the maximum RAM configuration when buying.

Important: Since the RAM is not user-replaceable, we recommend opting for at least 16GB at purchase to ensure adequate performance for years to come.


Storage Expansion

M.2 NVMe SSD solid state drive
M.2 NVMe SSD solid state drive

The LG Gram Pro 17 17T90S uses a standard M.2 2280 NVMe SSD with a NVMe PCIe Gen4 interface. With 2 M.2 slots, you can run dual NVMe drives for expanded storage.

Recommended M.2 2280 SSDs:

  • Samsung 990 Pro NVMe 2280 — Flagship NVMe SSD with exceptional speeds.
  • WD Black SN850X 2280 — High-performance NVMe with excellent sustained writes.
  • Crucial P5 Plus NVMe 2280 — Excellent value NVMe with strong real-world performance.

Power Delivery & Charging

The LG Gram Pro 17 17T90S uses a 72W USB-C charger. This is compatible with any USB-C PD charger of equal or higher wattage from brands like Anker, Ugreen, or the original LG charger.

Compatible USB-C PD Chargers:

  • Anker 72W USB-C PD Charger — Compact GaN charger with multiple ports.
  • Ugreen USB-C PD Charger (72W+) — Affordable universal charger with fast charging.
  • INIU USB-C PD Fast Charger — Budget option with reliable performance.

Port & Docking Capabilities

Connectivity: 2x Thunderbolt 4, 1x USB 3.2, 1x HDMI 2.0

The Thunderbolt 4 ports provide fast external storage and high-bandwidth peripherals. Consider a Thunderbolt dock like the CalDigit TS4 or Belkin Thunderbolt 4 Dock Pro for desktop expansion.


Upgrade Difficulty & Tools Required

The LG Gram Pro 17 17T90S has a difficulty rating of 2/5 for upgrades (5 = easiest). The upgrade process is difficult — limited user-accessible components.

Tools needed:

  • Phillips screwdriver (M2.5 or similar)
  • Plastic spudger or pry tool (for bottom panel clips)
  • ESD wrist strap (optional but recommended)

We recommend backing up your data and consulting the official service manual before opening the chassis.


Frequently Asked Questions

Can I upgrade the RAM in the LG LG Gram Pro 17 17T90S?

The LG Gram Pro 17 17T90S has soldered RAM (32GB (soldered)) which cannot be upgraded after purchase. Choose the maximum RAM when buying.

What is the maximum RAM for the LG Gram Pro 17 17T90S?

The LG Gram Pro 17 17T90S supports up to 32GB (soldered) of LPDDR5x memory.

Can I add a second SSD to the LG Gram Pro 17 17T90S?

The LG Gram Pro 17 17T90S has 2 M.2 slots. You can add a second NVMe SSD.

Can I use any USB-C charger with the LG Gram Pro 17 17T90S?

Yes, any USB-C Power Delivery charger rated for 72W or higher will work with the LG Gram Pro 17 17T90S.

Is the LG Gram Pro 17 17T90S easy to upgrade?

The LG Gram Pro 17 17T90S has a difficulty rating of 2/5. Consider professional assistance for upgrades.


Recommended Products

These are the products we recommend based on this guide. All links go to Amazon UK where you can check current prices and availability.

ProductWhy We Recommend ItAmazon UK
Samsung 990 Pro NVMe 2280Flagship NVMe SSD with exceptional speeds.View on Amazon UK
WD Black SN850X 2280High-performance NVMe with excellent sustained writes.View on Amazon UK
Crucial P5 Plus NVMe 2280Excellent value NVMe with strong real-world performance.View on Amazon UK
Anker 72W USB-C PD ChargerCompact GaN charger for USB-C laptops.View on Amazon UK
Ugreen 72W USB-C PD ChargerAffordable universal USB-C charger.View on Amazon UK

Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.

Related Guides

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