The Predator Helios 18 AI is Acer’s flagship 18-inch gaming laptop, built around the Intel Core Ultra 9 processor 290HX Plus and up to an NVIDIA GeForce RTX 5090 Laptop GPU with 24 GB of GDDR7 memory. Its 18-inch Mini LED panel is a dual-mode display that switches between 3840 x 2400 at 120 Hz and Full HD at 240 Hz, and is Calman Verified to Delta E under 2 with 100% DCI-P3 coverage. The chassis supports up to 256 GB of DDR5 memory and up to 6 TB of storage across three PCIe Gen 5 NVMe slots, cooled by dual 6th Gen Predator AeroBlade 3D fans with liquid metal thermal grease. Acer states availability in North America and EMEA from August 2026.
Full specifications
Key Specs6
RAM
Up to 256 GB DDR5
Processor
Intel Core Ultra 9 processor 290HX Plus
Battery
99 Wh
Display
18-inch Mini LED, 3840 x 2400, dual-mode 4K/120 Hz or FHD/240 Hz
Graphics
NVIDIA GeForce RTX 5090 Laptop GPU with 24 GB GDDR7
Storage
Up to 6 TB PCIe Gen 5 NVMe SSD
General4
Launch Date
August 2026
Operating System
Windows 11 Home or Windows 11 Pro
Series
Predator Helios
Model Number
PH18-I71
Performance6
CPU
Intel Core Ultra 9 processor 290HX Plus
Graphics
NVIDIA GeForce RTX 5090 Laptop GPU
RAM
Up to 256 GB
RAM Type
DDR5
Expandable Memory
Up to 256 GB DDR5
Graphics Memory
24 GB GDDR7
Display8
Display Type
Mini LED with HDR mode
Screen Size
18 inches
Resolution
3840 x 2400 (4K WQUXGA)
Aspect Ratio
16:10
Brightness
1000 nits
Refresh Rate
Dual-Mode: 4K at 120 Hz or FHD at 240 Hz
Resolution
3840 x 2400 (4K WQUXGA)
Colour Gamut
DCI-P3 100%, Calman Verified (Delta E under 2)
Design6
Height
307.9 mm
Width
400.96 mm
Thickness
17.3-29.55 mm
Weight
3.5 kg
Backlit Keyboard
Yes, per-key RGB
Keyboard
Per-key RGB keyboard with Predator MagKey 4.0 magnetic switches
Storage3
Storage Type
PCIe Gen 5 NVMe SSD
Internal Storage
Up to 6 TB
Storage Slots
Three M.2 PCIe Gen 5 NVMe slots
Battery1
Capacity
99 Wh
Ports & Connectivity4
Bluetooth
5.4
Wi-Fi
Intel Killer Wi-Fi 7 BE1750x with Intel Killer DoubleShot Pro
Thunderbolt
Two Thunderbolt 5 Type-C
Ethernet
Intel Killer Ethernet E5000B
Multimedia4
Audio Features
DTS:X Ultra
Speakers
Six speakers with Predator Vox technology
Webcam
FHD 1920 x 1080 IR webcam with PurifiedView AI assistance
Microphone
Acer PurifiedVoice AI noise reduction
Features2
In the Box
3 months PC Game Pass
Cooling
Dual 6th Gen Predator AeroBlade 3D fans, vector heat pipes, liquid metal thermal grease
Owner reviews
No reviews yet — be the first to write one.
Written by readers, not by MobiFacts. The specifications above come from the manufacturer; these are opinions.
1 / 3