Key takeaways
- Thunderbolt dock with built-in NVMe slot: Combines ports and storage, though the drive is not portable.
- Network-attached storage: Better for a shared library or automatic backups, but slower and more complex.
- External hard drive: Cheaper per terabyte for archives, but slower and more fragile.
- Cloud storage: Offsite backup that complements a physical drive.
For most MacBook Pro owners, a portable USB SSD such as the Samsung T9, Crucial X10 Pro or SanDisk Extreme PRO Portable SSD is the best balance of speed, size and cost, while video editors who work with high-bitrate footage and own a Thunderbolt-equipped MacBook Pro should consider a Thunderbolt or USB4 drive such as the OWC Envoy Pro FX for faster sustained transfers.
Our top picks
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Know your port and speed ceiling first
Every MacBook Pro sold in recent years uses USB-C ports that support Thunderbolt, though the generation varies by chip and model year. A drive can only go as fast as the slowest link in the chain: the Mac port, the cable and the drive. A USB 3.2 Gen 2 drive typically tops out near 1,000 MB/s in practice, a USB 3.2 Gen 2×2 drive (such as the Samsung T9, which the maker lists at up to 2,000 MB/s) can go faster when the host supports it, and Thunderbolt or USB4 drives reach higher still. Apple’s Thunderbolt ports are generally backward compatible with USB drives, but the Mac may not support Gen 2×2 speeds on every port, so a drive advertised at 2,000 MB/s may run slower. Read Apple’s specifications for your exact model and the drive maker’s compatibility notes.
Speed matters for editing from the drive, copying large libraries and backing up quickly. For simple storage and Time Machine backups, a slower and cheaper drive is perfectly good.
At a glance
| Drive | Interface | Stated speed | Best for | Limits |
|---|---|---|---|---|
| Samsung T9 | USB 3.2 Gen 2×2 | Maker lists up to 2,000 MB/s | Fast general-purpose and creative work | Full speed needs a compatible port and cable; may throttle in sustained writes |
| Crucial X10 Pro | USB 3.2 Gen 2×2 | Maker lists up to about 2,100 MB/s | Compact, rugged speed-focused option | Same port caveat as other Gen 2×2 drives |
| SanDisk Extreme PRO Portable SSD | USB 3.2 Gen 2×2 on newer versions | Maker lists up to about 2,000 MB/s on the latest version | Photographers and field use with a rugged build | Older versions are slower; read the exact model |
| Samsung T7 Shield / SanDisk Extreme Portable | USB 3.2 Gen 2 | Around 1,000 MB/s class | Everyday transfers, backups, mid-range | Slower than newer Gen 2×2 drives |
| OWC Envoy Pro FX | Thunderbolt / USB4 | Maker lists speeds in the 2,000+ MB/s range | Pro video and large-file workflows | Premium tier; Thunderbolt-capable Mac needed for full speed |
| SSD enclosure + your own M.2 drive | USB 3.2 or Thunderbolt | Depends on enclosure and drive | DIY users who want to reuse or pick their own drive | Requires installing a drive; thermal design varies |
Speeds in the table are the makers’ stated maximums and real-world figures are lower, especially during long writes. Check the drive’s page for its current specifications.
What to look for
Interface and cable
Use the cable supplied with the drive or one rated for the speed. A basic charging cable may restrict speed or not work well. For Thunderbolt drives, use a Thunderbolt-rated cable.
Capacity
Choose capacity based on what you will store. A drive for backups should be larger than your Mac’s internal storage. A drive for active video projects should have extra room, because performance and lifespan are better when you do not fill it completely. Buying a larger external drive is usually more economical than paying for extra internal storage on a MacBook Pro.
Sustained speed and heat
Many compact SSDs slow down during long transfers as they heat up. Reviewers have noted that drives with metal bodies and better heat management hold speed longer. Editors who move hundreds of gigabytes at a time should look for reviews that measure sustained writes rather than only short bursts.
Durability
Rugged drives list water, dust and drop ratings. Look at the stated IP rating and drop height, and treat them as protection against accidents, not a license to be careless.
Encryption and software
Some makers include password protection software. macOS also offers built-in encryption through Disk Utility and FileVault-style APFS encryption options. Consider whether you need this for sensitive files.
Format
New drives are often formatted for Windows compatibility. For Mac-only use, reformat as APFS in Disk Utility (this erases the drive). If you share the drive with Windows machines, exFAT is the cross-platform option, though it lacks some of APFS’s features. Time Machine requires a suitable Mac format and will usually prompt to erase the drive.
Budget tiers
| Tier | What to expect | Trade-offs |
|---|---|---|
| Budget | USB 3.2 Gen 2 drives, roughly 1,000 MB/s class | Slower for large video; fine for backups and documents |
| Mid-range | Gen 2×2 drives like the Samsung T9 or Crucial X10 Pro in common capacities | Needs a compatible port for full speed; sustained writes can slow |
| Premium | Thunderbolt or USB4 drives, large capacities, rugged builds | Cost; benefits depend on your workflow |
Pick this if…
| Pick this if you… | Choose |
|---|---|
| Want fast, simple external storage | Samsung T9 or Crucial X10 Pro |
| Shoot photos or video in the field | SanDisk Extreme PRO Portable SSD or a rugged shield-style drive |
| Need only backups and file storage | A USB 3.2 Gen 2 drive such as the Samsung T7 Shield |
| Edit high-bitrate video straight from the drive | A Thunderbolt or USB4 drive such as the OWC Envoy Pro FX |
| Want to choose or reuse an M.2 drive | A quality enclosure with a drive you choose |
| Use a MacBook Air as well | A USB-C drive that works across models at the slowest port speed |
Alternatives
- Thunderbolt dock with built-in NVMe slot: Combines ports and storage, though the drive is not portable.
- Network-attached storage: Better for a shared library or automatic backups, but slower and more complex.
- External hard drive: Cheaper per terabyte for archives, but slower and more fragile.
- Cloud storage: Offsite backup that complements a physical drive.
Practical tips for MacBook Pro users
Eject the drive before unplugging it, particularly when writing large files. Keep a second copy of anything important, since any single drive can fail. Avoid leaving a drive on a hot surface such as a car dashboard. If your drive disconnects or runs slowly, try a different cable and port before assuming the drive is faulty.
When using the drive for Time Machine, leave it connected or reconnect it regularly so backups stay current. If you edit video, consider copying the active project to the Mac’s internal drive for work and archiving to the external afterward, unless your workflow demands working directly from the external. Some editors keep a faster drive for projects and a larger, cheaper drive for archives. Remember that encryption protects data if a drive is lost, but you must keep the password safe, because recovery may not be possible without it.
Finally, check your Mac’s model and macOS version against the drive maker’s compatibility notes. Most USB-C drives work with current macOS versions without extra drivers, but features such as bundled software may vary. Apple silicon Macs generally handle these drives smoothly, and the maker’s support page is the best place to find the latest firmware or software notes.
Final buying checklist
Before buying, confirm your MacBook Pro model and its port type, decide how much capacity you need, and decide whether speed or portability matters more. Note whether the drive ships with a suitable cable and whether the maker lists Mac compatibility and software. Plan to keep a second backup, label the drive, and reformat it for your use. A mid-range Gen 2×2 drive satisfies most users, while Thunderbolt models are for specific heavy workflows.
Frequently Asked Questions
Do I need a Thunderbolt SSD for my MacBook Pro?
Not for most uses. A USB 3.2 Gen 2 or Gen 2×2 SSD is enough for backups, photos and moderate video work. Thunderbolt becomes worthwhile for sustained, high-bitrate editing or very large transfers.
Will a USB-C SSD run at full speed on my Mac?
It runs at the speed of the slowest link in the chain. If your Mac’s port does not support the drive’s top interface speed, the drive will run slower. Check Apple’s specifications for your model and the drive maker’s notes.
Which format should I use?
APFS is best for Mac-only use and Time Machine. exFAT works across Mac and Windows. Reformatting erases the drive, so copy off any data first.
Can I edit video directly from an external SSD?
Yes, many editors do. A fast drive with good sustained write speed helps, and a Thunderbolt model gives more headroom. Keep a backup of the project.
How much capacity should I buy?
Buy more than you currently need, since projects and libraries grow. For backups, choose a capacity above your Mac’s used storage. Leave free space on the drive for better performance.
Are external SSDs reliable for long-term storage?
SSDs are durable against shocks but can still fail, and data can be lost if a drive is left unpowered for very long periods. Keep multiple copies of important files, including an offsite or cloud backup.
