newegg offers the BYTECC 3.5" Drive / Device Mounting Bracket for 5.25" Drive Bay in Black, model no. Bracket-525, for $10.99. This $10.99 mail-in rebate cuts it to $0. With $2.99 for shipping, that's the lowest total price we could find by $6. (For further comparison, we saw a 2-pack at a per-unit $6.30 profit in our April mention.) This bracket allows you to mount a 3.5" drive in a 5.25" drive bay. Deal ends July 4.