I get 10GB as described and two SATA cards work fine. It was an easy upgrade. I had to press the reset button on the back of the NAS after plugging it in because two other NICs were conflicting, but that fixed it and the NIC is now the primary NIC.
uxcell 3.5" HDD Screw Black 200pcs for Computer PC Case - Flat Phillips Head - 6#-32 - Hard Drive Fasteners
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MacBook Retina 13-inch (A1425, A1502) and ๐ฉ 15-inch (A1398) Bottom Case Screw Set with Pentalobe Screwdriver
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