Lenovo Legion 9 18IAX10 CU9 290HX Plus
Lenovo Legion 9 18IAX10
Lenovo Legion 9 18IAX10 CU9 290HX Plus Back
Lenovo Legion 9 18IAX10 CU9 290HX Plus RGB
Lenovo Legion 9 18IAX10 CU9 290HX Plus RTX 5090

Lenovo Legion 9 18IAX10 Gaming Laptop 2026 ( CU9-290HX Plus, RTX 5090 24GB, 64GB RAM, 1TB SSD, 18” WQUXGA 240/440Hz IPS Display, W11 )

948,900৳ 

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  • Intel Core™ Ultra 9 290HX Plus, 24C (8P + 16E) / 24T, Max Turbo up to 5.5GHz, 36MB Intel® Smart Cache Processor
  • 64GB SODIMM DDR5-5200 RAM (2x 32GB)
  • 1TB SSD M.2 2280 PCIe® 5.0×4 (Gen 5) Performance NVMe®
  • NVIDIA GeForce RTX™ 5090 24GB GDDR7, Boost Clock 2160MHz, TGP 175W, 1824 AI TOPS Laptop GPU
  • 18″ WQUXGA (3840×2400) IPS 500nits Glossy, 100% DCI-P3, 240Hz / 440Hz, Dolby Vision®, G-SYNC®, DisplayHDR™ 400, 3D display, Low Blue Light, High Gaming Performance Display
  • Windows 11 Home
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Description

Lenovo Legion 9 18IAX10 CU9 290HX Plus Gaming Laptop 2026

Experience next-level gaming with the Lenovo Legion 9 18IAX10 CU9 290HX Plus gaming laptop, now available at Byte City BD. Equipped with the powerful Intel Core Ultra 9 290HX Plus processor, massive 64GB DDR5 RAM, and a superfast 2TB M.2 NVMe SSD, this beast ensures lightning-speed performance. The advanced NVIDIA GeForce RTX 5090 24GB GDDR7 GPU delivers immersive visuals on a stunning 16″ WQUXGA IPS 240/440Hz display with Dolby Vision®, G-SYNC™, and X-Rite™ certification. For pro gamers in Bangladesh, this is the ultimate fusion of speed, power, and cinematic display.

CPU / Processor Intel Core™ Ultra 9 290HX Plus, 24C (8P + 16E) / 24T, Max Turbo up to 5.5GHz, 36MB Intel® Smart Cache Processor
Memory 64GB SODIMM DDR5-5200 RAM (2x 32GB)
Memory Slot Four DDR5 SODIMM slots, dual-channel capable, Up to 192GB DDR5-4000 offering
Storage 1TB SSD M.2 2280 PCIe® 5.0×4 Performance NVMe®
Storage Capability 4 M.2 slots, M.2 2280 SSD up to 2TB each
Graphic Card NVIDIA GeForce RTX™ 5090 24GB GDDR7, Boost Clock 2160MHz, TGP 175W, 1824 AI TOPS Laptop GPU
Display Screen / Design / Resolution 18″ WQUXGA (3840×2400) IPS 500nits Glossy, 100% DCI-P3, 240Hz / 440Hz, Dolby Vision®, G-SYNC®, DisplayHDR™ 400, 3D display, Low Blue Light, High Gaming Performance Display
Camera 5.0MP + 3D IR with E-shutter, 2x, Array
Operation System Windows® 11 Home, English
Audio & Video 6 stereo speakers, 2W x4 (woofers), 2W x2 (tweeters), optimized with Nahimic Audio, Smart Amplifier (AMP)
Network / Connectivity Technology Intel® Killer™ Wi-Fi® 7 BE1750x, 802.11be 2×2 + BT5.4
Keyboard Feature Per-key RGB Backlit (with Lighting Lens), English
Sensors NO Fingerprint Reader
Interface
  • 2x USB-A (USB 10Gbps / USB 3.2 Gen 2)
  • 1x USB-A (USB 10Gbps / USB 3.2 Gen 2), Always On
  • 1x USB-C® (USB 10Gbps / USB 3.2 Gen 2)
  • 2x Thunderbolt™ 5, with USB PD 95-100W and DisplayPort™ 2.1
  • 1x HDMI® 2.1, up to 8K/60Hz
  • 1x Headphone / microphone combo jack (3.5mm)
  • 1x Ethernet (2.5GbE RJ-45)
  • 1x Card reader
  • 1x Slim tip Power connector
Battery / Power Supply 99.9Wh, 400W Slim Tip (3-pin)
Dimensions (H x W x D) 403 x 296.9 x 23.9-27.95 mm (15.87 x 11.69 x 0.94-1.10 inches)
Weight Around 3.75 kg (8.27 lbs)
Remark 2 Years Manufacturer’s Limited Warranty By Lenovo

Additional information

Brand

Lenovo

Model By Year

2025

Processor

Intel Core Ultra 9

Processor Generation

Series 2

Processor Type

Intel

Graphic Card

RTX 5090 24GB

RAM

64GB

RAM Type

DDR5

Storage

2TB SSD

Screen Size

18-inch

Screen Resolution

WQUXGA

Refresh Rate

240Hz, 440Hz

Display Type

IPS

Screen Type

Nontouch Screen

Series

Gaming Laptops

Special Features

DCI-P3:100%, Per-Key RGB

Operating System

Windows

Lenovo Legion 9 18IAX10 Gaming Laptop

The Lenovo Legion 9 18IAX10 CU9 290HX Plus is an absolute behemoth of a gaming laptop, engineered for enthusiasts who settle for nothing less than ultimate desktop-class power. Featuring an expansive 18-inch screen, top-of-the-line RTX 5090 GPU, and 64GB of RAM, this powerhouse handles extreme 4K gaming, 3D modeling, dynamic simulation, and heavy software development with ease.

🖥️ Display

Dominating the front profile is an 18-inch WQUXGA display offering multi-refresh rate versatility with options up to 240Hz/440Hz. The high resolution delivers hyper-detailed imagery, while the variable high refresh rates cater to ultra-smooth competitive esports and high-fidelity open-world games. Wide color gamut coverage ensures vibrant visuals, precision color grading capabilities, and deep visual immersion.

⚡ Raw Performance & Gaming

Equipped with pinnacle-tier hardware components, the Lenovo Legion 9 18IAX10 CU9 290HX Plus stands as a true performance benchmark.

  • Processor: Intel Core Ultra 9 290HX+ delivers top-of-the-line clock speeds and multi-core output.

  • Graphics: NVIDIA GeForce RTX 5090 with a massive 24GB of VRAM allows uncompromised 4K gaming, max ray tracing, and intensive AI model execution.

  • Memory & Storage: 64GB of high-speed RAM enables massive multitasking workloads, paired with a huge 2TB NVMe SSD for fast storage access.

🌡️ Thermals & Build Quality

To cool its ultra-tier components, Lenovo incorporates an engineered cooling setup featuring liquid metal thermal interface material, multi-fan exhaust channels, and liquid-assisted cooling loops. The premium forged carbon chassis design gives each unit a unique pattern while maintaining exceptional structural rigidity and lightweight strength. The per-key RGB backlit mechanical-feel keyboard provides precise tactile feedback.

🔋 Battery & Everyday Usability

Despite its immense raw performance, built-in intelligent power modes optimize energy consumption during lighter tasks. The laptop features a comprehensive I/O hub including Thunderbolt 4, multiple USB 3.2 Gen 2 ports, HDMI 2.1, SD card reader, Wi-Fi 7, and Ethernet connectivity.

⚖️ Pros & Cons

Pros

  • Flagship NVIDIA GeForce RTX 5090 24GB GPU performance.

  • Expansive 18-inch high-resolution high-refresh display.

  • Massive 64GB RAM and 2TB SSD out of the box.

  • Unique forged carbon construction and thermal system.

Cons

  • Large 18-inch footprint requires a larger backpack for transport.

  • Requires a heavy-duty charger for full performance output.

❓ Frequently Asked Questions (FAQ)

Q: Who is this laptop primarily built for?

A: It is designed for extreme gamers, content creators, 3D animators, and engineers who require desktop-level performance in a mobile system.

Q: Does it support multi-monitor desktop setups?

A: Yes, Thunderbolt 4 and HDMI 2.1 ports allow you to connect multiple 4K and 8K external displays simultaneously.

🎯 Final Verdict

The Lenovo Legion 9 18IAX10 CU9 290HX Plus sets the benchmark for flagship gaming laptops. With its 18-inch display, 64GB memory, and RTX 5090 graphics card, it delivers an uncompromised desktop replacement experience.

To review purchasing options, visit the official Lenovo Legion 9 Product Page, or discover other premium options across our full Byte City BD laptop catalog.

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