
Game without limits
Ultima 18
Our most powerful (and quiet) gaming laptop ever.
Bring home the beast.
The Ultima 18 is for gamers who won’t settle for second place.



The Ultimate Weapon for Competitve Gaming
Built for gaining the competitive edge and achieving total domination, the Ultima 18 is MAINGEAR’s most powerful gaming laptop ever. Armed with the latest Intel® Core™ Ultra 9 275HX processor and up to an NVIDIA® GeForce RTX™ 5090 mobile GPU, it’s your unfair advantage in every battle. Whether you’re chasing frames or high-fidelity immersion, Ultima 18 delivers both—without compromise.

Consider The Bar Raised
With 24 blazing-fast CPU cores and support for up to 192GB of quad-slot dual-channel DDR5 memory, the Ultima 18 handles everything from esports to fully-modded open-worlds. Pair that with up to a RTX 5090 with 24GB of GDDR7, and you’re not just playing the game—you’re rewriting the rules.

Intel Core Ultra 9 275HX
24 Cores, 5.4GHz Turbo Boost

NVIDIA RTX 5090 or 5080
Up to 24GB GDDR7, 175W TGP

Up to 192GB DDR5
Multitask, stream, and game without bottlenecks

Gen 5 SSD Support
Load maps, assets, and shaders at lightning speed
Stay Cool, Stay In Control
With adjustable fan profiles and performance modes in the MAINGEAR Control Center, you choose whether you want unrestricted raw power or high-performance whisper-quiet operation. Go all-in on Performance Mode for max FPS or play balanced with Entertainment Mode for stealth gaming.

Ultra Performance, Ultra Efficiency
Experience legendary performance with more unplugged time with Ultima 18’s Intel Core Ultra 9 275HX processor. Take your game to the next level with newly developed cores for ultra-smooth and responsive gameplay, and a neural engine combined with multi-threading for offloading multitasking and minimizing interruptions.

Maximum Battery Life with NVIDIA Max-Q
Whether you’re gaming or working on the go, NVIDIA Max-Q uses AI to optimize every aspect of your system, from dynamically managing power between components, to finding optimal balance in game settings, and even controlling temperatures to lower power drain. Paired with a 98WHr 8-cell battery, Ultima 18 brings desktop performance anywhere you go.

Intel Core Ultra 9 275HX
24 Cores, 5.4GHz Turbo Boost

NVIDIA RTX 5090 or 5080
Up to 24GB GDDR7, 175W TGP

Dual Channel, Quad-Slot
Upgrade with up to 192GB (4x48GB) of high-speed DDR5

4 NVMe SSD Slots
Expandable storage with 1x Gen5 and 3x Gen4 slots with up to 32TB of total storage.

Per-Key RGB Keyboard
Customizable keyboard backlighting to fit your mood

Full 5 Speaker Audio
Enhanced audio with two main speakers, two tweeters and a subwoofer

Sound Blaster Studio Pro 2
Hear footsteps, explosions, and team comms with clarity

Copilot Key
Launch your AI assistant mid-match

Dual Thunderbolt 5 + HDMI 2.1
Multi-monitor setups with no compromises

98WHr Battery
Game and work for longer on the go

Metal Chassis
Rigid metal construction

XL Touchpad
Low friction finish for high productivity

5MP Camera
Integrated Windows Hello Camera with privacy cover and presence sensor

Microphone
Built-in Array with enhanced audio through NVIDIA Broadcast

Expanded Connectivity
Dual 2.5Gbps LAN, WiFi 7 and Bluetooth 5.4
Bring home the beast.
The Ultima 18 is for gamers who won’t settle for second place.


This Is Not Just a PC, This Is Art
0% APR
0% Financing available for 12 months on systems $1999 and higher.*
and 0% financing for 6 Months on all systems **
Get easy and affordable financing through our partner, Bread. With affordable monthly plans, no prepayment penalties, transparent terms, and fair rates, MAINGEAR Financing makes getting your new PC hassle-free
*Minimum purchase of $200.00 is required. Availability of terms may vary based on purchase price, product, and state of residence. Down payment may be required. Subject to approval of credit application. Rates range from 0.00% to 34.99% APR, resulting in, for example, 36 monthly payments of $38.19 at 21.99% APR, per $1,000.00 borrowed. APRs will vary depending on credit qualifications, loan amount, and term. Bread Pay® loans are made by Comenity Capital Bank, a Bread Financial® company.