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The i-Memory Storage Expansion Card is designed for MacBook Air 13″ storage expansion. It’s available in up to 256GB to effectively serve as a second plug and use SSD, with a simple but elegant design that perfectly matches that of the MacBook Air. The card offers great convenience and utilizes high-end MLC NAND flash, with excellent read/write performance for efficient data transfer. To ensure durability, the i-Memory Storage Expansion Card is made using a COB (chip-on-board) process, enabling protection of your data from water, dust and shocks. Plus it’s backed by a solid lifetime warranty for extended peace of mind.

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Perfect Storage for MacBook Air 13″

The slim and compact i-Memory Storage Expansion Card matches MacBook Air 13″ elegance perfectly. With meticulous ergonomics, its design affords seamless insertion and eject without extra stress or wear and tear.

A Smarter Choice for an Extra Solid State Drive

The i-Memory Storage Expansion Card is fully plug-and-play and offers ample storage capacity up to 256GB as an additional solid state drive for your MacBook Air. It delivers a great price performance ratio, and allows you to save large files, photos, HD/ultra HD video, and more – all worry-free.

Ultra-Fast Performance

Made with industrial-grade MLC NAND Flash, i-Memory Storage Expansion Cards provide superb performance in addition to enhanced durability. They reach 95MB/s read and 60MB/s write for quick and efficient data transfers.

Durable COB Process Improves Data Protection

The i-Memory Storage Expansion Card is manufactured using a COB (chip-on-board) process for great durability, including water, dust, and shock resistance. Carrying your MacBook Air for work or travel? The i-Memory Storage Expansion Card boosts the protection of your valuable data.

Extended Lifetime Warranty

Leveraging high quality MLC NAND flash, the i-Memory Storage Expansion Card backs its reliability with a lifetime warranty for long-lasting peace of mind.


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Capacity 64GB / 128GB / 256GB
Interface SDXC
File System exFAT
Color black
Dimensions 23 x 24 x 4.5mm
Supported OS Mac OS 10.6 or later / Windows XP/7/8
Performance(Max.) Read:Up to 95MB/S
Write:Up to 60MB/S
Operating Temperature -25°C to 85°C / -13°F to 185°F
Warranty Lifetime limited warranty

*Performance may vary due to variations in platforms and application tools.
**Note: actual Flash storage device capacity differs from listed specifications due to formatting and other system functions, which reduce space available to users for data storage.
***MacBook Air models made before mid-2012 have a USB 2.0 port, which supports much lower data rates for connected accessories than USB 3.0.