For its newsletter subscribers only, newegg offers the Rosewill 120mm Sleeve LED Case Fan
in Blue, model no. RFA-120-BL, for $4.99. Coupon code "EMCJNNF77" cuts it to $3.99
. With free shipping
, that's the lowest total price we could find by $4. This fan operates at 2,000 RPM and features four blue LEDs. Coupon ends October 10.