I have deathadder v2 wired one its great for big hands but its clicks are mushy u have to get used to that clicks otherwise the overall mouse is great imo.
Hi i have 2 modules both from kingston 2666mhz this model and 1 is in warranty amazon link-
https://www.amazon.in/gp/product/B07CW6P9LN/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1