Acer Predator Helios 300, model G3-571-77QK (part no. NH.Q28AA.001), 15.6" Full HD IPS gaming laptop. Tested and working, freshly reset to the Windows setup screen.SPECS (verified on this unit)- Intel Core i7-7700HQ, 4 cores / 8 threads, 2.8 GHz base- NVIDIA GeForce GTX 1060 6GB + Intel HD 630- 16GB DDR4-2666 (2 x 8GB)- 256GB M.2 SATA SSD (Micron 1100), no errors- 15.6" 1920x1080 IPS, 60Hz- Windows 11 Home, activated by the license built into the laptop- Wi-Fi, Bluetooth, Gigabit Ethernet, webcam, red backlit keyboard- Ports: USB-C (3.1 Gen 1), USB 3.0, 2x USB 2.0, HDMI 2.0, SD card reader, headset jackTESTING (October 2026)- 20-minute FurMark GPU stress test plus combined CPU+GPU load: no errors, crashes or artifacts. GPU held about 1250 MHz at 77-80C with no thermal throttling.- 10-minute Prime95 CPU stress test: all self-tests passed. The CPU runs hot under synthetic full load (mid-90s C, holding its 2.8 GHz base clock), which matches published reviews of this model when new.- Battery health: 85% (41.7 of 48.9 Wh design capacity).- Latest NVIDIA driver (582.78) installed.PLEASE NOTE- The 2.5" secondary drive bay is empty (no hard drive included). It is ready for any 2.5" SATA SSD or HDD.- The i7-7700HQ is not on Microsoft's official Windows 11 CPU list. Windows 11 runs and receives updates now, but Microsoft does not guarantee future updates on unsupported hardware, and a "system requirements not met" note may appear on the desktop.- Cosmetics: clean, with no cracks, dents, deep scratches or dead keys. Normal light wear for its age. Keyboard backlight and all keys work.INCLUDED: laptop and genuine Acer 180W charger (ADP-180MB K, 19.5V 9.23A) with power cord.Ships within 3 business days, well padded, to the lower 48 states. Please review the photos and description; I'm happy to answer questions.