HyperX OMEN 27 inch OLED gaming monitor for $299.99 at Micro Center (MC SKU 996694, Mfr CH0R2AA#ABA).

Specs: 27 inch class / 26.5 inch viewable QD-OLED, 2560×1440 QHD, 240Hz, 0.03ms response, G-Sync Compatible, DisplayPort 1.4 + 2x HDMI 2.1, HDR, 99% DCI-P3.

Availability: 9 in stock at Santa Clara (other stores vary, check your store). Shipping available with delivery as fast as Nov 16, and in-store pickup available.