{"pageUrl":"https://comparethespecs.com/technology/storage-power-banks/which-portable-ssd-offers-the-highest-read-write-speeds","lastUpdated":"2026-09-13","totalProducts":3,"niche":"Which portable SSD offers the highest read/write speeds?","description":"Which portable SSD offers the highest read/write speeds?","products":[{"brand":"Corsair","model":"EX400U 2TB USB4 External SSD","price_gbp":604.17,"origin_country":null,"specs":{"weight":"92g","capacity":"2TB","interface":"USB4 Type-C","dimensions":"64.3 x 64 x 12mm","read_speed":"Up to 4,000MB/s","write_speed":"Up to 3,600MB/s","shock_resistance":"1500G"},"confidence_score":null,"sources":[{"label":"Corsair","url":"https://www.corsair.com/us/en/p/data-storage/cssd-ex400u2tb/ex400u-2tb-usb4-external-ssd-cssd-ex400u2tb","currency":"USD","source_country":"US","price":864.99,"price_gbp":639.67,"scraped_at":"2026-09-13T04:39:23.031530"},{"label":"SCAN","url":"https://www.scan.co.uk/products/2tb-corsair-cssd-ex400u2tb-ex400u-usb4-external-ssd-usb4-type-c-thunderbolt-4-4000mb-s-read-3600mb-s","currency":"USD","source_country":"US","price":816.98,"price_gbp":604.17,"scraped_at":"2026-09-13T04:39:23.031530"}],"summary":"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_for":"It 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."},{"brand":"OWC","model":"Envoy Ultra 2TB Thunderbolt 5 Portable SSD","price_gbp":517.65,"origin_country":null,"specs":{"weight":"12 oz","capacity":"2TB","interface":"USB-C Thunderbolt 5 80 Gb/s","dimensions":"5.1 x 3 x 0.8 in","read_speed":"6000 MB/s","write_speed":"6000 MB/s","shock_resistance":"Crush-resistant"},"confidence_score":null,"sources":[{"label":"OWC","url":"https://eshop.macsales.com/shop/owc-envoy-ultra","currency":"USD","source_country":"US","price":699.99,"price_gbp":517.65,"scraped_at":"2026-09-13T04:39:23.031530"},{"label":"B&H Photo Video","url":"https://www.bhphotovideo.com/c/product/1854115-REG/owc_owctb5envu02_envoy_ultra_thunderbolt_5.html","currency":"USD","source_country":"US","price":699.99,"price_gbp":517.65,"scraped_at":"2026-09-13T04:39:23.031530"},{"label":"CDW","url":"https://www.cdw.com/product/owc-2tb-envoy-ultra-thunderbolt-5-80gb-s-portable-nvme-ssd/8150113","currency":"USD","source_country":"US","price":769.99,"price_gbp":569.42,"scraped_at":"2026-09-13T04:39:23.031530"}],"summary":"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_for":"It 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."},{"brand":"SanDisk","model":"Extreme Pro Portable 2TB External USB-C NVMe SSD","price_gbp":324.65,"origin_country":null,"specs":{"weight":"77.5g","capacity":"2TB","interface":"USB 3.2 Gen 2 x2","dimensions":"4.34in x 2.26in x 0.4in","read_speed":"2000MB/s","write_speed":"2000MB/s","shock_resistance":"Up to 3m drop protection"},"confidence_score":null,"sources":[{"label":"Newegg","url":"https://www.newegg.com/p/1B0-00J7-00001","currency":"USD","source_country":"US","price":451.99,"price_gbp":334.25,"scraped_at":"2026-09-13T04:39:23.031530"},{"label":"CVP","url":"https://cvp.com/product/sandisk-sdssde81-2t00-g25","currency":"USD","source_country":"US","price":439.0,"price_gbp":324.65,"scraped_at":"2026-09-13T04:39:23.031530"},{"label":"PB Tech","url":"https://www.pbtech.co.nz/product/HDDSSN38100/SanDisk-Extreme-Pro-2TB-Portable-SSD-Up-to-2000MBs","currency":"USD","source_country":"US","price":1099.0,"price_gbp":812.73,"scraped_at":"2026-09-13T04:39:23.031530"}],"summary":"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_for":"It 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."}]}