FACTORY DATASHEET:Lenovo Legion 9i Gen 11 Flagship (Liquid Cooled RTX 5090) — Laboratory Empirical Hardware Audit & Architecture Matrix
Lenovo Legion 9i Gen 11 Flagship (Liquid Cooled RTX 5090)
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Lenovogamingx86_64 ARCHITECTURE2026

Lenovo Legion 9i Gen 11 Flagship (Liquid Cooled RTX 5090)

Technical Architecture Summary
CPU Family
Intel Core Ultra 9 285HX
Max Graphics TGP
175W TGP
RAM Upgradability
✅ Upgradable
Battery / Weight
99.9 Wh / 2.56 kg
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Comprehensive Hardware Specification Matrix

Direct engineering breakdown categorized by compute, display, thermal envelope, I/O, and chassis acoustics.

01.Platform & Compute Architecture
Processor / SoC
Intel Core Ultra 9 285HX (Arrow Lake-HX Extreme)
CPU Core Configuration
24-core / 24-thread (up to 5.7 GHz Turbo)
Instruction Set
x86_64
Graphics Subsystem
NVIDIA GeForce RTX 5090 Laptop GPU 24GB GDDR7
Max Graphics TGP
175 Watts
AI NPU Acceleration
15 TOPS
Operating System
Windows 11 Pro
02.Memory & Storage Upgradability
RAM Capacity Options
64 GB or 128 GB DDR5 Dual SO-DIMM
RAM Technology / Clock
DDR5-6400 MHz Overclockable SO-DIMM
Memory Upgradability
Yes (User-Upgradable)
Memory Sockets / Form Factor
2x DDR5 SO-DIMM slots
Base NVMe Capacity
2000 GB
M.2 Expansion Slots
2 Slots
Storage Bus & Type
Dual M.2 2280 PCIe 5.0 x4 slots with dedicated copper heatsinks
03.Display & Color Accuracy
Display Panel Technology
Mini-LED
Screen Diagonal Size
16 inches
Aspect Ratio
16:10
Native Resolution
3200 × 2000 px (3.2K 165Hz Mini-LED with 1536 dimming zones)
Refresh Rate
165 Hz
Color Gamut Calibration
100% Adobe RGB, 100% DCI-P3, VESA DisplayHDR 1000
Peak Brightness
1200 nits
04.Chassis, Thermals & Battery
Weight
2.56 kg (5.6 lbs)
Thickness
18.99 mm
Chassis Materials
Forged carbon fiber lid (each unit unique) with CNC aerospace aluminum base
Thermal Architecture
Integrated self-contained internal liquid cooling loop co-engineered with Cooler Master
Battery Capacity
99.9 Watt-hours
Bundled Adapter Wattage
330 W
USB-C Power Delivery Input
Yes
05.I/O Ports & Wireless Connectivity
Port Complement

2x Thunderbolt 5, 2x USB-A 3.2 Gen 1, 1x USB-C 3.2 Gen 2, HDMI 2.1, SD card reader, 2.5G RJ-45 LAN

Thunderbolt / USB4

2x Thunderbolt

HDMI: HDMI 2.1 FRL (up to 8K 120Hz)
Card Reader & Audio

Full-size SDXC Card Reader

3.5mm Headphone Jack: ✅ Present
Wireless Subsystem

Intel Killer Wi-Fi 7 BE1750, Bluetooth 5.4, 2.5G Ethernet

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