About 2 times slower than the built-in storage but still the best solution for old macbooks imho. My crude tests show (encryption is enabled on both): built-in: read 193MB/s, write 67MB/s jetdrive: read 72MB/s, write 35MB/s It's not flush with the side of my macbook but sits in prety good. Sometimes I just toss my Air into the backpack without any cover and the card has never came off. Please note that there are different models of this card for different macbooks.
Verified purchase: Yes | Condition: New
Great SD drive that is flush with side of MacBook. No worries about knocking or breaking the card or taking it in and out. Great idea. I bought two!
Verified purchase: Yes | Condition: New
Inserted easily and copied 120+GB faster than I thought it go across!
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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