Your Mac. More Space. Twice as Fast.

A Mac’s small stock SSD can fill up quickly — especially with photos, video files, games, and even your email. When storage gets tight, there's no reason to ditch the Mac you know and love. The OWC Aura Pro X2 Gen4 provides up to 4x more capacity, and the speed to keep up with your imagination. With that capacity and power, you can keep your Mac running optimally for years — all at a fraction of the cost of buying new.

Blazing Fast and Super Cool

Aura Pro X2 Gen4 NVMe SSD combines speed, stamina, and efficiency that will change the way you experience your Mac. With read speeds reaching 3226MB/s and write speeds of 3241MB/s, the 4TB Aura Pro X2 Gen4 NVMe SSD is up to 5.5 times faster than the original SSDs, delivering performance on par with the latest models. It runs cooler and consumes less power than earlier SSD models, so you can run at peak for longer than ever.

Maintain Your Edge

When it's go time, getting off the line and maintaining a high level of performance are equally important. Aura Pro X2 Gen4 NVMe SSD is engineered with advanced SLC caching, providing instant full-speed write acceleration, meaning those media projects and games stream fluidly and respond without lag time. You might even forget what that beachball looks like.

Continuous Compatibility

Aura Pro X2 Gen4 NVMe SSD is designed for the latest macOS versions (macOS High Sierra 10.13 and later), taking full advantage of the advanced features of APFS including: strong encryption, copy-on-write metadata, space sharing, cloning for files and directories, snapshots, fast directory sizing, atomic safe-save primitives, and improved file system fundamentals.

Right-Sized for Work and Play

The smaller stock SSDs for Mac can fill up quickly, especially with photo and video files, games, or even your email. Aura Pro X2 Gen4 NVMe SSDs are available in capacities up to 4TB, giving you more space to work and play. Newly calibrated to use less power and run cooler, Aura Pro X2 Gen4 NVMe SSD is the best way to upgrade your PCIe equipped Mac.

Enhanced Burst Performance

In addition to groundbreaking read and write speeds, the Aura Pro X2 Gen4 is engineered with enhanced burst performance for instant full-speed write acceleration. Media projects and games stream fluidly and respond without lag on Aura Pro X2 Gen4 enhanced Macs. You might even forget what that beachball looks like.

Built for Your Mac

Aura Pro X2 Gen4 is designed for macOS to take full advantage of the advanced features of APFS (Apple File System) including: strong encryption, copy-on-write metadata, space sharing, cloning for files and directories, snapshots, fast directory sizing, atomic safe-save primitives, and improved file system fundamentals. All that adds up to one heckuva drive that’s built to make your Mac perform at its best.

No Hassles. No Hacks.

Aura Pro X2 Gen4 NVMe SSD PCIe-based flash storage upgrades are precisely engineered for your Mac, so you'll never need to compromise your data by relying on complicated software hacks or TRIM-enablers to get the most from your upgrade. Just install, migrate your data, and enjoy the great performance of flash storage with up to 4 times the capacity of the factory-installed drive.

7% Over-Provisioning

OWC SSDs perform maintenance tasks in the background that optimize the health, performance, and endurance of your flash drive. These jobs take advantage of available, unwritten areas on the SSD. Aura Pro X2 Gen4 NVMe PCIe-based flash storage reserves 7% of the overall capacity as free space. Always. With this allocated free space, Aura SSDs can perform these normal maintenance tasks making your drive more stable, dependable, and ultimately a safer place to store your data.

1. Performance results will vary depending on iMac Model. Sequential read (max) 3226MB/s and sequential write (max) 3241MB/s performance based on testing a 4.0TB OWC Aura Pro X2 Gen4 PCIe 4.0 x4 NVMe SSD in an iMac (Retina 5K, 27-inch, 2019) with 16GB RAM running AJA System Test (4K-Full resolution, 64GB file size, 16bit RGBA codec, single file test).
2. The OWC Aura Pro X2 Gen4 is a high performance PCIe 4.0 x4 NVMe SSD capable of performing in excess of 3000MB/s in Macs with PCIe3.0 x4 SSD slot. Performance can vary depending on many factors, including the Mac model and its drive bus specifications. Please check the compatibility section and the detailed specs for your Mac model’s drive bus specifications.