Are you certain it has a 144 hz refresh rate?

Yes, the monitor is 144 hz. Whether the gtx 1060 can push 144 fps in the game you are playing or not is a different issue, totally unrelated. If you want 144 fps in the gpu-intensive game you are playing, you need to compromise; lower the graphics settings until you get there.

does every single model of this computer throttle because of overheating or is it just a common issue?

Throttling is because the TDP of Intel Processors placed into high-performance laptop/mobile platforms rely on marginal resource utilization (base clock frequency of 2.2GHz). It's just not reasonable to expect a 6-core, 12-thread processor to run at boost speeds nearly 2.0GHz over that of base frequency and have a dedicated graphics solution running full-bore too. That's why the TDP rendered 45W isn't based on boost speeds. Tweaking voltages and current limits with Intel Extreme Tuning Utility paired with cooling/chilling pad that aid to force air into the bottom of this machine goes a long way to extract performance from the platform. The density of components in a laptop platform just cannot deliver the expectation many have- that performance is like that of a same-generation desktop processor in mobile format. This is not an Acer-specific symptom of the inaccuracy the processor maker uses, intentionally vague language, to leave folks to assume that expectation that isn't met. By using XTU, you can shift the limit to that of current, rather than thermals; an indication that the chip maker is responsible for your failed expectations. I really like the laptop and really like the Intel CPU inside; but, I had realistic expectations going in.

What kind of warranty does it come with? Any idea of the turn around time when shipping it in for service?

This comes with a 2-year manufacturer's warranty against hardware defects. Turnaround time is 7-10 days once the system is received in. Warranty details are posted here for your convenience: https://www.acer.com/ac/en/US/content/standard-warranty

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Description

🎮 Dominate the game, own the moment.

NEXT LEVEL GRAPHICS - NVIDIA GeForce GTX 1060 with 6GB GDDR5 VRAM lets you max out settings and dominate the latest AAA titles without compromise.
ULTRA SMOOTH VISUALS - 15.6" Full HD IPS display with 144Hz refresh rate delivers buttery-smooth gameplay and vibrant colors for immersive experiences.
STAY COOL CONNECTED - Dual AeroBlade metal fans keep your rig chill under pressure, while Gigabit Wi-Fi and USB-C keep you plugged into the future.
POWERHOUSE PERFORMANCE - 6-core Intel i7 processor with Turbo Boost up to 4.1GHz keeps you ahead in multitasking and gaming marathons.
FUTURE READY STORAGE MEMORY - 16GB DDR4 RAM paired with a speedy 256GB NVMe SSD ensures lightning-fast load times and seamless multitasking.

The Acer Predator Helios 300 PH315-51-78NP is a high-performance gaming laptop featuring a 6-core Intel i7-8750H processor with Turbo Boost up to 4.1GHz, a 15.6-inch Full HD IPS display with a 144Hz refresh rate, and an overclockable NVIDIA GeForce GTX 1060 6GB graphics card. Equipped with 16GB DDR4 RAM and a 256GB PCIe NVMe SSD, it offers fast multitasking and storage. Dual AeroBlade metal fans ensure efficient cooling, while Gigabit Wi-Fi and USB 3.1 Type-C provide modern connectivity. With up to 7 hours of battery life and a sleek metal chassis, it balances power and portability for serious gamers and professionals alike.

Specifications

Standing screen display size	15.6 Inches
Screen Resolution	1920 x 1080 pixels
Max Screen Resolution	1920x1080 Pixels
Processor	4.1 GHz core_i7
RAM	16 GB DDR4
Memory Speed	2666 MHz
Hard Drive	256 GB SSD
Graphics Coprocessor	NVIDIA GeForce GTX 1060
Chipset Brand	NVIDIA
Card Description	Dedicated
Graphics Card Ram Size	6 GB
Wireless Type	802.11ac
Number of USB 2.0 Ports	2
Number of USB 3.0 Ports	2
Average Battery Life (in hours)	7 Hours
Brand	Acer
Series	Acer Predator Series
Item model number	PH315-51-78NP
Hardware Platform	PC
Operating System	Windows 10 Home
Item Weight	5.51 pounds
Product Dimensions	15.35 x 10.47 x 1.05 inches
Item Dimensions LxWxH	15.35 x 10.47 x 1.05 inches
Color	Black
Processor Brand	Intel
Number of Processors	6
Computer Memory Type	DDR4 SDRAM
Flash Memory Size	256
Hard Drive Interface	Solid State
Hard Drive Rotational Speed	5400 RPM
Optical Drive Type	No Optical Drive
Power Source	Battery Powered
Voltage	240 Volts
Batteries	1 A batteries required. (included)

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