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Black 18 inch gaming laptop with metal chassis and thin profile

Evoc

Evoc X5802C 18" QHD+ 240Hz Ultra 9 290HX Plus RTX 5090 16GB 4TB gaming laptop

SKU CH-2BVC-B9S3V

18-inch QHD+ 240Hz display driven by a 24-core Ultra 9 290HX Plus at 2.7 GHz up to 5.5 GHz, RTX 5090 with 24 GB GDDR7, 16 GB DDR5 5600 and 4 TB PCIe 4.0 NVMe storage

  • ColorBlack
  • Operating SystemWindows 11 Pro
  • CPUIntel® Core Ultra 9-290HX Plus
  • Screen18" QHD+
  • Memory16GB
  • Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD
  • 18" QHD+ 240Hz display for ultra-smooth visuals
  • Intel Core Ultra 9 290HX Plus 24-core CPU up to 5.5 GHz turbo
  • NVIDIA RTX 5090 with 24 GB GDDR7 for maximum graphics power
  • 4 TB PCIe 4.0 NVMe SSD plus 16 GB DDR5 5600 MHz memory
  • Gelid GC Extreme thermal compound keeps CPU and GPU cooler

18-inch QHD+ 240Hz mobile workstation

The Evoc X5802C pairs an 18-inch 2560x1600 240Hz panel with an Intel Core Ultra 9 290HX Plus 24-core processor and an NVIDIA GeForce RTX 5090 equipped with 24 GB GDDR7. Sixteen gigabytes of DDR5 5600 memory and a 4 TB PCIe 4.0 x4 NVMe array complete a platform built for creators and competitive gamers who need desktop-class throughput in a portable chassis. Windows 11 Pro ships pre-installed.

Metal chassis thermals with Gelid GC Extreme

A full metal top, palm rest and bottom case work with factory-applied Gelid GC Extreme thermal compound on both the CPU and GPU to move heat away from the 2.7 GHz base, 5.5 GHz boost processor and the RTX 5090. HIDevolution burn-in stress testing validates stable temperatures under sustained load, while Intel Dynamic Tuning Technology balances power draw across the 36 MB smart cache and graphics subsystem for consistent clocks without excessive fan noise.

BTO upgrade path from stock configurations

HIDevolution upgrades the base EVOC X580WNT-G with dual 2 TB NVMe modules for 4 TB total capacity, Gelid GC Extreme repasting, and a full quality-control cycle including BIOS update, benchmark verification and physical inspection. The jump is worth it when a stock unit's single-drive layout, standard paste and limited QC leave thermal headroom or storage bandwidth on the table for rendering, simulation or high-refresh gaming workflows.

Highlights

  • 18" QHD+ 240Hz display for ultra-smooth visuals
  • Intel Core Ultra 9 290HX Plus 24-core CPU up to 5.5 GHz turbo
  • NVIDIA RTX 5090 with 24 GB GDDR7 for maximum graphics power
  • 4 TB PCIe 4.0 NVMe SSD plus 16 GB DDR5 5600 MHz memory
  • Gelid GC Extreme thermal compound keeps CPU and GPU cooler

Specifications

BrandEVOC
SeriesX580WNT-G
ModelEVOC X5802C (X580WNT-G)
Part NumberEV-X5802C-HID3
ColorBlack
Operating SystemWindows 11 Pro
CPUIntel® Core Ultra 9-290HX Plus
Screen18" QHD+
Memory16GB
Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics CardNVIDIA® GeForce® RTX™ 5090
Video Memory24GB
Dimensions (W x D x H)15.59” (w) x 10.95” (d) x 0.98” (h)
Weight7.25 lbs.
Other FeaturesMetal top, palm rest and bottom case, Light module, FlexiCharger, Intel Dynamic Tuning Technology
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 290HX Plus
Number of Cores24-core Processor
Core NameArrow Lake
Turbo FrequencyMax Turbo Frequency 5.5 GHz
CPU L3 Cache36 MB
ChipsetIntel®
Screen Size18.0"
TouchscreenNo
Display TypeQHD+
Resolution2560 x 1600
PanelQHD+
Refresh Rate240Hz
Display FeaturesWide View Angle, G-Sync Display, Matte Finished
GPU/VPUGeForce RTX 5090 Laptop GPU
Graphic TypeDedicated Card
SSD4 TB
HDDNo
Storage Spec4 TB (2 x 2 TB) M.2 PCIe 4.0 x4 NVMe SSD
Memory SpeedDDR5 5600MHz
Memory Spec8 GB x 2
Memory Type2 x SO-DIMM
Memory Slot (Total)4
Memory Slot (Available)2
Max Memory Supported256GB
LANBuilt-in Killer 2.5 Gigabit Ethernet LAN
WLANIntel Wireless Wi-Fi 7 BE200
WiFi GenerationWi-Fi 7
BluetoothYes
USB2x USB 3.2 Gen 2 Ports (Type A, with 1 x powered USB, AC/DC)
Thunderbolt1x Thunderbolt 5 combo Port with Power Delivery DC in (Type C), 1x Thunderbolt 5 Port (Type C)
HDMI1x HDMI output Port (with HDCP)
Audio Ports1x 2-in-1 Audio Jack (Headphone / Microphone)
AudioHigh Definition audio interface
SpeakerBuilt-in two 1W Tweeter speakers, Built-in two 2W Mid-range speakers, Built-in one 4W Subwoofer speaker
TouchpadBuilt in Click pad with Microsoft PTP multi-gesture and scrolling function
KeyboardMulti languages LED Per Key full color illuminated full size isolated keyboard with numeric pad
WebcamBuilt-in 5.0M Hello Camer with TNR (Temporal Noise Reduction)
Card ReaderMicro SD Push-Push Card reader
StyleStandard
TypeGaming & Entertainment
UsageConsumer
AC Adapter/ChargerFull Range 330W AC Adapter, AC-in 100~240V, 50~60Hz, DC output 20V, 16.5A
BatteryEmbedded 8 cells Polymer battery pack 98WH

Questions about this item

How is the Gelid GC Extreme thermal interface material installed on the CPU and GPU?

The supplier applies Gelid GC Extreme between the Intel Core Ultra 9 290HX Plus and the RTX 5090 dies and their heatsinks during the build-to-order assembly; the step often missed is ensuring even pressure across all 24 cores and the 24 GB GDDR7 memory modules so no air pockets remain.

What maintenance or replacement will the 4 TB PCIe 4.0 x4 NVMe SSD array need later?

The array consists of two 2 TB M.2 drives; monitor SMART health in Windows 11 Pro and replace a drive if reallocated sectors or wear-leveling counts rise, reinstalling the OS on the fresh module.

At what point does the 240 Hz QHD+ panel hit its sustained-use limit?

The 18 inch 2560 x 1600 display is rated for 240 Hz refresh; under continuous maximum brightness and high refresh operation the first limit reached is typically panel temperature, which can trigger automatic brightness throttling.

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