Yoink. There goes the proprietary solid state drive.

SSDs from MacBook Air models from top to bottom: 2012-11", 2013-11", and 2013-13".

It appears that the 2013 MacBook Air 11" uses the same PCIe-based SSD that we dug out of the 13" model. However, this particular drive is a SanDisk module, fitted with components from three different manufacturers:

SanDisk 05131 016G 16 GB NAND flash (four on each side, total of 8 x 16 GB = 128 GB)

Marvell 88SS9183 PCIe SSD controller

Samsung K4B2G1646E 2Gb DDR3 SDRAM