Question: is 2560 x 1440 2k?
Answer: A monitor or display is considered 2K if its width falls in the 2,000-pixels range. ... More often you'll find 2K displays as having a of 2560 x 1440 resolution. However, that resolution is officially considered Quad HD (QHD). As such, many monitors and laptops claim their resolution as 2K/QHD.