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Black 15.6 inch gaming laptop with RGB keyboard

MSI

MSI Katana A15 gaming laptop 15.6 144Hz Ryzen 9 8945HS RTX 4070 32GB DDR5 512GB Cooler Boost 5

SKU CH-49H3-D94ZB

15.6-inch 144Hz FHD display with Ryzen 9 8945HS and RTX 4070 8GB GDDR6, 32GB DDR5 and 512GB PCIe SSD

  • Processor NameAMD Ryzen 9 8945HS
  • Screen Size15.6"
  • Operating SystemWindows 11 Home
  • GPU/VPUGeForce RTX 4070 Laptop GPU
  • SSD512GB PCIe
  • Memory16GB

RAM 32GB

SSD 512GB PCIe SSD

NBOperatingSystem Windows 11

  • Ryzen 9 8945HS hits 5.2 GHz for fast multi‑thread speed
  • 144 Hz 15.6 inch FHD screen gives smooth motion in games
  • RTX 4070 8 GB GDDR6 drives high frame rates at 1080p
  • 32 GB DDR5 memory handles heavy workloads without lag
  • Cooler Boost 5 keeps temperatures low during long sessions

15.6 144Hz Ryzen 9 8945HS RTX 4070 gaming laptop

This 15.6 inch gaming laptop runs Windows 11 Home on an AMD Ryzen 9 8945HS 8-core processor with a 4.0 GHz base clock up to 5.2 GHz boost. The GeForce RTX 4070 8GB GDDR6 graphics card drives a 1920x1080 144Hz FHD display. 32GB DDR5 memory and a 512GB PCIe SSD complete the core specification for high-refresh 1080p play.

Cooler Boost 5 thermal system and port selection

Cooler Boost 5 manages heat from the Ryzen 9 8945HS and RTX 4070 during extended sessions. Connectivity includes two USB 3.2 Type-A ports, one USB 2.0 port, one USB 3.2 Type-C port, HDMI output, RJ-45 Ethernet and a headphone/microphone combo jack. A standard RGB backlit keyboard and integrated webcam are built in. No SD card reader is present.

Professional upgrade service and install notes

The factory seal is opened by engineers to install the 32GB DDR5 memory and 512GB PCIe SSD upgrades before shipment. Original 1-year manufacturer warranty covers remaining components while upgraded parts carry a separate 1-year warranty. In-depth inspection reduces factory defects. Buyers who need more than 512GB storage or a card reader should plan external solutions.

Highlights

  • Ryzen 9 8945HS hits 5.2 GHz for fast multi‑thread speed
  • 144 Hz 15.6 inch FHD screen gives smooth motion in games
  • RTX 4070 8 GB GDDR6 drives high frame rates at 1080p
  • 32 GB DDR5 memory handles heavy workloads without lag
  • Cooler Boost 5 keeps temperatures low during long sessions

Specifications

Processor NameAMD Ryzen 9 8945HS
Screen Size15.6"
Operating SystemWindows 11 Home
GPU/VPUGeForce RTX 4070 Laptop GPU
SSD512GB PCIe
Memory16GB

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Questions about this item

Will the 32GB DDR5 memory need upgrading later?

The laptop ships with 32GB DDR5, so no memory upgrade is required for current games and multitasking.

What limits the RTX 4070 8GB GDDR6 during long gaming sessions?

The 8GB GDDR6 frame buffer fills first at high resolutions, capping texture detail before the GPU core hits its ceiling.

How loud and hot does the Cooler Boost 5 system get when the Ryzen 9 8945HS runs at 5.2 GHz all day?

Cooler Boost 5 spins dual fans at higher RPM, keeping the CPU near its 5.2 GHz boost while surface temperatures stay warm but manageable.

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