Which portable SSD offers the highest read/write speeds?
This page compares 3 portable SSDs with verified specifications and prices. Top options include Corsair EX400U 2TB USB4 External SSD, OWC Envoy Ultra 2TB Thunderbolt 5 Portable SSD, SanDisk Extreme Pro Portable 2TB External USB-C NVMe SSD. Prices range from £325 to £604. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Storage Capacity (TB) ⇅ | Read Speed (MB/s) ⇅ | Write Speed (MB/s) ⇅ | Interface Type ⇅ | Dimensions (mm) ⇅ | Weight (g) ⇅ | Shock Resistance ⇅ |
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Corsair EX400U 2TB USB4 External SSD
US
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£604.17 ≈ | — | Up to 4,000MB/s | Up to 3,600MB/s | — | 64.3 x 64 x 12mm | 92g | ✓ |
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The Corsair EX400U 2TB is a compact portable SSD with USB4 connectivity and sequential speeds of up to 4,000MB/s read and 3,600MB/s write. It suits creators, gamers, and professionals transferring large files, provided their computer supports USB4 or Thunderbolt 4. ★ Ideal forIt suits users seeking the highest portable SSD read/write speeds because its USB4 interface delivers up to 4,000MB/s sequential reads and 3,600MB/s sequential writes, with Thunderbolt 4 compatibility. |
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OWC Envoy Ultra 2TB Thunderbolt 5 Portable SSD
US
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£517.65 ≈ | — | 6000 MB/s | 6000 MB/s | — | 5.1 x 3 x 0.8 in | 12 oz | ✓ |
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The OWC Envoy Ultra is a 2TB bus-powered portable SSD with Thunderbolt 5 connectivity and sequential read/write speeds of up to 6000 MB/s. Its aluminum enclosure is IP67-rated and crush-resistant, making it suited to professional video editors, photographers, and other users who need fast, rugged external storage. ★ Ideal forIt suits users seeking the highest read/write speeds because it delivers sequential speeds of up to 6000 MB/s over Thunderbolt 5, with read speeds remaining above 6000 MB/s during sustained transfers.
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SanDisk Extreme Pro Portable 2TB External USB-C NVMe SSD
US
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£324.65 ≈ | — | 2000MB/s | 2000MB/s | — | 4.34in x 2.26in x 0.4in | 77.5g | ✓ |
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This 2TB portable NVMe SSD delivers read and write speeds of up to 2000MB/s through USB 3.2 Gen 2 x2. Its compact aluminum design, IP65 water and dust resistance, and drop protection suit photographers, videographers, content creators, and other users who need fast, rugged portable storage. ★ Ideal forIt suits users seeking the highest read/write speeds because it provides up to 2000MB/s sequential read and write performance, supported by a USB 3.2 Gen 2 x2 interface and NVMe design. |
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