Can You Upgrade RAM or SSD on a MacBook in 2026? Intel vs Apple Silicon Explained

This is one of the most common questions we get from people about to buy a used MacBook, or already struggling with a 'Storage Almost Full' warning — and the honest answer is genuinely different depending on which MacBook generation you own. On some models, a RAM or SSD upgrade is a routine, affordable repair-counter job. On others, it's not just expensive — it's physically impossible, no matter how much you're willing to pay. Knowing which category your machine falls into can save you from a frustrating, wasted trip.

The Short Answer, By MacBook Generation

Why Apple Silicon Macs Can't Be Upgraded At All

This surprises a lot of people, so it's worth explaining clearly: on M1, M2, M3, and M4 MacBooks, what Apple calls 'Unified Memory' is physically fabricated as part of the same silicon package as the processor itself — not a separate, swappable component sitting in a slot. There is no RAM stick to remove and no replacement to insert; the memory is the chip. Storage works similarly — the SSD controller is integrated into the chip, and the NAND flash modules are soldered directly onto the logic board in a configuration that's effectively impossible to service or upgrade after purchase, even by Apple itself. This is precisely why Apple prices its configure-to-order RAM and storage upgrades so aggressively when you're buying new — because it's genuinely your only window to make that choice.

What This Means If You're Already Stuck With 'Not Enough'

1. 1Free up storage first — clear caches, offload large files to iCloud or external drives, and use 'Manage Storage' in About This Mac to find what's actually consuming space. This alone resolves most 'Storage Almost Full' situations without spending anything.
2. 2Use an external SSD for large media libraries — modern USB-C/Thunderbolt external SSDs are fast enough on Apple Silicon Macs that working directly off them is genuinely viable for video, photo, and project files.
3. 3Offload memory pressure with Activity Monitor — identify and quit specific memory-hungry background apps (browsers with many tabs and Electron-based apps are common culprits) rather than assuming you need more RAM.
4. 4If you're choosing between two configurations while buying new or used, prioritise RAM and storage over processor tier — since neither can be changed later, getting these two numbers right matters far more than chasing the fastest chip.

What About Intel MacBooks (2016–2020)?

These sit in a frustrating middle ground: the RAM is soldered (so it can't be upgraded either), but some models — particularly certain 13" MacBook Pro and MacBook Air variants — use a proprietary, board-mounted SSD module that a specialist can sometimes replace with a higher-capacity unit. This isn't a standard part you can buy off the shelf; it requires sourcing the correct module and a technician experienced with MacBook logic-board-level work. If you have an Intel MacBook running low on storage, it's worth getting a free assessment of whether your specific model and configuration support this — for some, it's a genuinely cost-effective way to extend the machine's useful life by years.