Gelid Solutions Silent 4 40mm Case Fan 4200 RPM, 4.5 CFM, 18.9 dBA (FN-SX04-42)
4.5 CFM / 7.65 CMH. Silent Operation. 40mm (L) x 40mm (W) x 10mm (H). Ending Soon. Optimized Fan Blades. Fan Speed There is a separate area to leave a product review if you wish. We use a variety of different carriers to fulfil orders.