Newegg offers the Cooler Master Sleeve Bearing 120mm Silent Fan 4-Pack, model no. R4-S2S-124K-GP, for $12.49. This $5 mail-in rebate cuts it to $7.49. With free shipping, that's a buck under our February mention and the lowest total price we could find now by $5. It runs at 1,200 rpm and features air flow of nearly 45 cfm with a 19.1dBA noise level. Deal ends September 1.