thewall58 0 Posted April 1, 2023 have a Swann Nvr and the fan has become very loud, the fan is a Sunon Maglev HA40101V4-000C-999, i have read that a Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin will work is this correct of is there another one on the market. Share this post Link to post Share on other sites