Zagall offers this Aluminum Mini 4-Port USB 2.0 Slim Hub
, model no. 2551, for $4.99
with free shipping
. That's the lowest total price we could find for any aluminum 4-port USB hub by $5. It's compatible with USB 2.0 and USB 1.1 and features a transfer rate of 1.5/12/480 Mbps.