SSD expansion modules · Mac mini M4 & M4 Pro

Reliable storage expansion for your Mac mini

The same NAND chips Apple ships, in a plug-and-play module. Up to 4TB, for hundreds less than the factory upgrade.

Free worldwide DDP shipping for most countries·1-year warranty·No-nonsense real human support

From the maker

Why we built this

Upgrade options

£225.00 GBP
 per 
£320.00 GBP
 per 
Disk benchmark before upgrade: stock 256GB SSD
Disk benchmark after upgrade: 2TB expansion module
256GB stock 2TB module

Manufactured to the highest standard

Equipped with all the certifications including FCC, CE, RoHS and more.

Excellent I/O performance and reliable endurance

Better read/write speed in both sequential and random than the 256GB base model.

The Expand Mac mini difference

A plug-and-play upgrade, done properly

Why trust us with your Mac mini? We're an established hardware and Linux-based operating system development team — storage is what we do, and we know what we are doing.

Apple-approved NAND

The exact NAND memory chips Apple ships in the Mac mini M4 — made by the same vendors Apple selects and approves.

Vetted manufacturing

Every module's PCBA is built to the highest quality standards and passes the most rigorous testing before it ships.

Documentation that holds your hand

A comprehensive step-by-step DIY guide, plus a full iFixit walkthrough. Most installs take about 30 minutes.

No-nonsense support

Real humans for customer and technical support — backed by 30-day returns and a 1-year limited warranty.