Ninja Stealth Drive 128GB is an aluminum SD card that fits 100% within your MacBook without any awkward protrusions.
The drive has 128GB of in-built memory storage capacity, you do NOT have to purchase additional memory cards. Simply place Ninja Stealth Drive 128 GB into your Macbook and gain 128GB of extra storage space for your computer instantaneously.
The regular Ninja Stealth Drive is only an adapter. It does NOT come with any memory storage capacity. You will have to purchase an additional micro SD card and insert it into the regular Ninja Stealth Drive in order to use it.
On the other hand, Ninja Stealth Drive 128GB comes with 128GB of in-built memory storage capacity. You don't need to purchase a seperate micro SD card. Simply insert into your computer and start using it right away.
The reading and writing speed of Ninja Stealth Drive 128GB is 99MB/s and 90MB/s respectively. This is faster than most of the SD drives on the market.