Gelid Solutions Silent 5 50mm Case Fan 4000 RPM, 12.9 CFM, 23 dBA (FN-SX05-40)
12.9 CFM / 21.94 CMH. Silent Operation. 50mm (L) x 50mm (W) x 15mm (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.