Asrock Phantom Gaming Radeon RX550 4G AMD Radeon RX 550 4 GB GDDR5 by ASRock

DOUBLE BALL BEARINGS FAN DESIGN
Reduce friction, allow fan to run smoother and with a lifespan up to 50,000-100,000 hours. Compared to traditional design with oil leakage problem, it improves lifespan by 30 ~ 40% and with an enhanced cooling efficiency significantly.

Phantom Gaming Tweak
A fast and easy tool that provides users with an abundant collection of subtle settings for professional tweaking such as FAN speed, core clocks, memory frequency and so on. Users may also choose the most optimized mode based on their needs, like OC mode, Silent mode or default mode. Phantom Gaming Tweak delivers more than enough voltage configuration options for anyone who wish to pursuit extremes.

AMD Eyefinity Technology
AMD Eyefinity technology expands the traditional limits of desktop computing by multiplying your screen area. With multiple monitors, games become more immersive, workstations become more useful and you become more productive.

Radeon FreeSync™ 2 HDR
Get ready to experience smooth brilliant HDR gaming. Enjoy vibrant HDR content while eliminating image tears and choppiness for effortlessly smooth gameplay. Low Frame-Rate Compensation, Low Latency, Plug and Play and HDR Ready. That's Radeon FreeSync™ 2 HDR.

Enhanced Sync
Enhanced sync enables low latency gameplay at virtually any framerate and a tear-free experience when your favorite game’s framerate exceeds your display’s refresh rate.1
Unlock your VSync. Enhanced sync technology delivers a tear-free experience when framerate exceeds your display’s refresh rate at an ultra-low latency to take your E-Sports gaming to the next level.