A video was posted on youtube by TLD showing that some Macbook Airs are slower that others. This happened due to Apple using two different SSD models from two different suppliers.

Jonathan from TLD discovered that his 11 inch Macbook Air which have a 128GB Samsung SSD achieved 246 MB/s write and 264 MB/s read speeds. But when he tested the 13 incher he with a 128 GB Toshiba SSD the results were 156 MB/s write and 208 MB/s read.
Check out the video:
Tags: Apple

Jonathan from TLD discovered that his 11 inch Macbook Air which have a 128GB Samsung SSD achieved 246 MB/s write and 264 MB/s read speeds. But when he tested the 13 incher he with a 128 GB Toshiba SSD the results were 156 MB/s write and 208 MB/s read.
Check out the video:
Via | engadget