A PC monitor with a 500 Hz refresh rate is coming from Asus | Ars Technica
Acer Nitro XV252QF Gaming Monitor 24.5 inch (62 cm Screen) Full HD, 390 Hz OC, 360 Hz DP, 240 Hz HDMI, 1 ms (G2G), 2 x HDMI 2.0, 1.4, ...
Acer Nitro XV252QF 390 Hz Monitor Review
Acer Nitro XV252Q Fbmiiprx 24.5" Full HD (1920 x 1080) IPS Gaming Monitor with AMD FreeSync Premium Technology | Up to 390Hz | Up to 0.5ms | 99% sRGB (2 x HDMI 2.0 Ports & 1 x Display Port)