Add four USB 3.1 Gen 1 ports with data transfer speeds up to 350 MB/s. 3 Year Newer Technology Limited Warranty.
Mfr P/N: MXPCIE4U3 | MacSales.com SKU: NWTMXPCIE4U3
Add two eSATA ports w/ data transfer rates up to 500MB/s. Plug and Play with Macs and PCs - No driver to install EVER! 3 Year Warranty
Mfr P/N: MXPCIE6G3S2 | MacSales.com SKU: NWTMXPCIE6G3S2
Adds four USB 3.1 ports to your system, transfers data up to 10Gb/s, and supports USB 3.1 and USB 3.0 bus-powered devices. Sonnet Technologies 5 Year…
Mfr P/N: USB3-PRO-4P10-E | MacSales.com SKU: STIUSB3PRO4P10E