Updated July 12/18
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Sonnet Tempo SATA Pro 6 Gb ExpressCard/34 Expansion Card -
Reg $79 - Sale $39 - in stock
* Storage controller
* 2 Channel
* eSATA 6Gb/s
* 600 MBps
Sonnet Allegro USB 3.0 4 Port PCIe Card - $79 - more
Add the speed of USB3 to your Mac Pro tower, or Windows tower, with this inexpensive PCIe card. Gives you four USB3 ports. Also can go into a Thunderbolt PCIe Card Expansion chassis. Requires Mac OS 10.8.5 or later, Windows 7 or later. Warranty - 1 Year.