Use-Case Guide
Best External SSD for Mac
External SSDs optimized for macOS - Time Machine backups, APFS compatibility, and Thunderbolt/USB-C performance.
Mac users need external SSDs that play nicely with APFS, deliver strong sequential performance over Thunderbolt or USB-C, and work reliably with Time Machine. These drives are tested for macOS compatibility.
Ranked by Score
Sabrent
Sabrent Rocket Nano XTRM-Q
Samsung
Samsung T7 Shield
Corsair
Corsair EX400U USB4
Crucial
Crucial X10 Pro 4TB
Crucial
Crucial X10 Pro
Samsung
Samsung T7 Shield 4TB
Our Take
Our lab tested 6 drives for best external ssd for mac. The Sabrent Rocket Nano XTRM-Q scored 9.4/10, delivering 3.0 GB/s sequential reads.
What Sets Sabrent Rocket Nano XTRM-Q Apart
- 9.4/10 overall score from our testing lab
- 3.0 GB/s reads, 2.8 GB/s writes via USB4
Shopping Guide
Form factor matters for best external ssd for mac. The drives in this category offer 1.1 GB/s to 3.0 GB/s read speeds. Pocket-sized NVMe enclosures suit on-the-go professionals, while larger desktop-class drives often include additional散热or sustained performance features.
Speeds in this range typically require a Thunderbolt or USB4 host port. Standard USB 3.2 Gen 2 caps out around 10 Gbps, leaving performance on the table.
Before buying a USB4 drive, confirm your computer's port supports 40 Gbps. Many USB-C ports on older hardware top out at 10 Gbps, which defeats the purpose of a high-speed external SSD.
Storage Economics
Multi-terabyte external SSDs command a premium over HDDs. Evaluate whether your workflow benefits from the speed advantage or whether a HDD would serve as cheaper bulk storage.
Prices reflect the lowest available across major retailers. Real-world performance may vary based on host hardware and workload.
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Not Sure Which External SSD to Choose?
Visit our spec comparison tool to compare drives side-by-side, or browse our full library of buying guides and rankings.