MAINGEAR Ultima 18 laptop with RTX 5080, blue finish
MAINGEAR Ultima 18 laptop with RTX 5080, dark blue metallic chassis
MAINGEAR Ultima 18 laptop, dark matte lid with centered white MAINGEAR logo
MAINGEAR Ultima 18 pre-configured laptop with RTX 5080, top-down view of open laptop showing keyboard and trackpad
Ultima 18 laptop by MAINGEAR with RTX 5080, sleek blue lid
MAINGEAR Ultima 18 pre-configured laptop with RTX 5080, dark angular chassis and side ports
MAINGEAR Ultima 18 pre-configured laptop with RTX 5080, dark chassis, side ports visible.
MAINGEAR

Ultima 18 | RTX 5080

Ships in 7-14 business days
Complimentary shipping to the contiguous United States
Lifetime support with 1-year limited warranty

The MAINGEAR Ultima 18 is your full loadout in a laptop. Crafted for high-stakes gaming and heavy creative demands, it delivers pro-tier performance with an 18-inch 4K 200Hz display with G-Sync and spec-loaded internals. No compromises, just pure power in a portable package.

Double your RAM and storage with the Boost button for even more performance.

  • Screen: 18” 16:10 4K 240Hz G-Sync (New!)
  • Graphics: NVIDIA GeForce RTX 5080 Mobile
  • Processor: Intel Core Ultra 9 290HX Plus (New!)
  • Storage: 2TB Gen4 NVMe SSD (Boost to 4TB)
  • Memory: 32GB DDR5 4800MT/s  (Boost to 64GB 4800MT/s)
  • Operating System: Windows 11 Pro
$3,699
$3,999 Save $300

Pairs well with

CHASSIS

MAINGEAR Ultima 18 Mk. II
Metal Exterior and Palm Rest

GRAPHICS

NVIDIA RTX 5080 Mobile
16GB GDDR7
(175W TGP)

PROCESSOR

Intel Core Ultra 9 290HX Plus
24 Cores - 24 Threads
Boosts to 5.5 GHz

DISPLAY

18.0”, 4K (3840 x 2400p), 16:10
240Hz, DCI-P3 100%, G-Sync,
<7ms, 400 Nits

MEMORY

32GB DDR5 4800MT/s (2x16GB)
Boost to 64GB DDR5 4800MT/s (2x32GB)

STORAGE

2TB Gen4 M.2 NVMe SSD
Boost to 4TB Gen4 M.2 NVMe SSD

OPERATING SYSTEM

Windows 11 Pro

WIRELESS CONNECTIVITY

WiFi 7
Bluetooth 5.4

KEYBOARD

Full-Size Chiclet
Chiclet Membrane
Per-Key RGB Backlit
1.5mm of Key Travel

TOUCHPAD

Large Touchpad with Low Friction Finish

CAMERA

5.0M Dual Sensor FHD Hello Camera w/ Presence Sensor and Privacy Cover

AUDIO

2x Main Speakers,
2x Tweeters,
1x Subwoofer
Powered by Sound Blaster Studio Pro 2

PORTS

1x Thunderbolt™ 5 Port with Power Delivery-in 
1x Thunderbolt™ 5 Port 
1x USB-A 10Gbps with Power Delivery-out 
1x USB-A 10Gbps 
1x HDMI-out Port (version 2.1)  
1x 3.5mm Audio Combo Jack (Headphone / Microphone) 
1x microSD Card Reader 
1x Kensington Lock 
1x DC-in Jack 

BATTERY

98 WHr
8-cell Lithium Polymer

DIMENSIONS

402-410mm (W) x 319mm (D) x 28-36mm (H)

15.83-16.14in (W) x 12.56in (D) x 1.10-1.42in (H)

WEIGHT

3.99Kg, 8.8lbs