ZTC PCIe 4X 10G Adapter Converter Card Fits the SSD in the 2013 MacBook Pro or Air. Compatible Model SSDs are found in A1465 A1466 A1502 A1398. ZTC-EX002 Compatible MacBook Model list (11" Air Mid 2013, A1465 (MD711.MD712) :: 13" Air Mid 2013 A1466 (MD760.MD761) :: 13" PRO Retina Late 2013 A1502 (ME864, ME865, ME866) :: 15" PRO Retina Late 2013 A1398 (ME293, ME294, ME874) Compatible SSD list (Samsung MZ-JPU128T / 0A2, MZ-JPU256T / 0A2,MZ-JPU512T / 0A2,MZ-KPU1TOT/0A2/ MZ-JPV1280 SanDisk SD6PQ4M-128G / SD6PQ4M-256G) 4 Lanes of PCI-e designated and 4-Layer PCB design. Supports PCIe 4x 8X or 16X Support PC MAC and Linux