LG

LG 15Z90ST-G.ADB9U1 Gram Superslim 15.6" Ultra 7 2TB SSD

4.0 (28 reviews)
FHD1920 x 10802TB SSDThunderbolt 4DisplayPort

Experience Unmatched Portability and Performance The LG gram SuperSlim is the epitome of ultra-thin and lightweight design, combined with powerful performance. Featuring an AI-enabled Intel Core Ultra 7 processor, ample RAM, and a fast SSD, this laptop delivers exceptional speed and responsivenes...

$1,399.00*$1,999.99Save 30%
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*Price sourced from Amazon.com. Last updated:Jul 16, 2026.Price and availability are subject to change.

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Overview

Experience Unmatched Portability and Performance

The LG gram SuperSlim is the epitome of ultra-thin and lightweight design, combined with powerful performance. Featuring an AI-enabled Intel Core Ultra 7 processor, ample RAM, and a fast SSD, this laptop delivers exceptional speed and responsiveness. The vibrant OLED display and long battery life make it perfect for professionals on the move.

Specifications:

  • Brand: LG
  • Model: 15Z90ST-G.ADB9U1
  • Display: 15.6” FHD (1920 x 1080) Anti-Glare OLED with DCI-P3 100%
  • Processor: AI-enabled Intel Core Ultra 7 155H
  • Memory: 32GB LPDDR5
  • Storage: 2TB SSD
  • Operating System: Windows 11 Home
  • Graphics: Integrated Intel HD Graphics
  • Wireless: 802.11ax
  • Ports: 2 x USB Type-C (Thunderbolt 4, DisplayPort, Power Delivery), 1 x USB Type-C (DisplayPort, Power Delivery), Headphone Jack
  • Battery: 60Wh
  • Color: Neptune Blue
  • Dimensions: 14 x 8.95 x 0.49 inches
  • Weight: 2.18 pounds
  • Durability: MIL-STD-810H certified

Key Features

15” FHD (1920 x 1080) Anti-Glare OLED Display with DCI-P3 100% - Work, play, and watch like never before. A 15" OLED anti-glare screen with up to a 100% DCI-P3 color gamut expression and VESA DisplayHDR 500 True Black, delivers exceptional image resolution with true-to-life detail and stunning, deep black levels. And a 1,000,000:1 contrast ratio means that colors and images can be presented exactly as they were intended, for an unrivaled viewing experience.

Windows 11 - Windows 11 brings you closer to what you love. Pursue your passions and maximize your productivity with the new Windows 11. Built with tools to help you multitask, think, create, and connect—all designed with simplicity and intuition in mind.

OLED Display - A 15" OLED screen with up to 100% DCI-P3 color gamut expression, delivers the exceptional image resolution with immaculate detail and stunning, deep black levels as only OLED can.

AI-enabled Intel Core Ultra 7 Processor - Powered by the AI-enabled Intel Core Ultra 7 155H processor to unlock the power of AI

Connectivity - LG gram SuperSlim features multiple ports, including two USB Type-C3 ports supporting Thunderbolt 4, DisplayPort and power delivery and one USB Type-C port that supports DisplayPort and power delivery. Thunderbolt 4 compatibility supports ultra-fast data transfer and up to 5K resolution display support. SuperSlim also includes a headphone jack.

Response Time - Whether streaming, scrolling or gaming, enjoy smooth visuals with reduced motion stuttering thanks to SuperSlim’s 0.02ms response time.

Thin/Light - LG gram is the ideal productivity partner. The powerful, 15” laptop is super thin, yet surprisingly light weight so you can work, stream and play from virtually wherever your day takes you.

60Wh Battery - Mobility unleashed. LG gram's large 60Wh battery powers your work, play, and streaming with no strings attached.

MIL-STD-810H - No matter where your day takes you, your laptop is up for the challenge. This laptop passed seven tests for military-grade durability including vibration, high and low temperature, and more. Meeting these durability standards offer laptop protection peace of mind on your daily grind.

Color/HDR Trueblack - An OLED screen with up to 100% DCI-P3 color gamut expression, and VESA DisplayHDR True Black 400 certified means this screen meets industry standards for brightness as well as deep, rich black color expression. The benefit is impeccable image detail in dark scenes for a stunning visual experience.

Specifications

Model
15Z90ST-G.ADB9U1 Gram Superslim
Screen Size
15.6"
Display Type
FHD (1920 x 1080) Anti-Glare OLED
Color Gamut
DCI-P3 100%
HDR Certification
VESA DisplayHDR 500 True Black
Processor
AI-enabled Intel Core Ultra 7 155H
Storage
2TB SSD
Operating System
Windows 11
Memory (RAM)
Not specified in features, only "16GB" in title for some models (not this exact one)
Response Time
0.02ms
Battery
60Wh
Durability Standard
MIL-STD-810H
Ports
2 x USB Type-C (Thunderbolt 4, DisplayPort, power delivery), 1 x USB Type-C (DisplayPort, power delivery), Headphone jack

Pros & Cons

👍 Pros

  • Features a 15-inch FHD (1920 x 1080) Anti-Glare OLED Display with DCI-P3 100% and VESA DisplayHDR 500 True Black for stunning visuals
  • Powered by an AI-enabled Intel Core Ultra 7 155H processor, providing robust performance and AI capabilities
  • Includes two USB Type-C ports supporting Thunderbolt 4, DisplayPort, and power delivery for versatile connectivity and fast data transfer
  • Offers a rapid 0.02ms response time, ensuring smooth visuals with reduced motion stuttering for streaming, scrolling, or gaming
  • Boasts military-grade durability (MIL-STD-810H) having passed seven tests, providing peace of mind for daily use
  • Equipped with a large 60Wh battery, enabling extended work, play, and streaming without needing a power outlet
  • The laptop is super thin and surprisingly lightweight, making it an ideal productivity partner for on-the-go use
  • The OLED display delivers immaculate detail and stunning, deep black levels with a 1,000,000:1 contrast ratio
  • Windows 11 Home is pre-installed, offering modern multitasking tools and a user-friendly experience

👎 Cons

  • The 15-inch FHD resolution, while OLED, might be less sharp than higher-resolution displays on some competing premium laptops
  • Specific details on maximum brightness are limited to VESA DisplayHDR True Black 400 certification, not a peak nits value
  • The 60Wh battery, while large, may not provide the absolute longest battery life compared to some larger capacity options in other models
  • Gaming performance may be limited by integrated graphics, as a dedicated GPU is not mentioned for more demanding titles
  • The absence of traditional USB-A ports might require adapters for older peripherals, which could be inconvenient for some users

Frequently Asked Questions

The LG Gram SuperSlim features a 15-inch FHD (1920 x 1080) Anti-Glare OLED Display with DCI-P3 100% color gamut expression and VESA DisplayHDR 500 True Black.
It is powered by the AI-enabled Intel Core Ultra 7 155H processor, designed to unlock the power of AI and provide robust performance.
The laptop is equipped with a large 60Wh battery, offering extended usage for work, play, and streaming.
This LG Gram laptop has passed seven tests for military-grade durability (MIL-STD-810H), ensuring resilience against vibration, high/low temperatures, and more.
It includes two USB Type-C ports with Thunderbolt 4 support, one additional USB Type-C port, and a headphone jack, offering versatile connectivity.
Yes, it is designed to be super thin and surprisingly lightweight, making it an ideal productivity partner for mobility.
The display boasts a rapid 0.02ms response time, which ensures smooth visuals and reduced motion stuttering for various activities.