The Asus ROG Swift PG258Q is a 24.5-inch 1920 x 1080 TN LCD monitor. Now you may be thinking this collection of specs isn't hugely impressive, but there's one key feature to this monitor that is very attractive for fans of high-paced esports titles. The PG258Q sports a whopping 240 Hz refresh rate, combined with G-Sync, for the ultimate low latency, high refresh experience.