For its newsletter subscribers only, newegg offers the Rosewill 120mm Sleeve LED Case Fan 4-Pack with Blue LEDs, model no. RCA-1204BL, for $11.99. Coupon code "EMCNEJB73" makes it $8.99. With free shipping, that's $2.25 per fan and the lowest total price we could find for this quantity by $9. Coupon ends May 20.