Samsung is still claiming the same sequential 450MB/s performance despite upgrading to the USB 3.1 spec. Now we have the T3, though from a performance point of view little appears to have changed. Since USB 3.0 offers slightly less bandwidth, the T1 was limited to read and write throughputs of 450MB/s. The 850 Evo 500GB boasts read and write speeds of 540 to 520MB/s over SATA 6Gb/s. The T1 was essentially an mSATA 850 Evo stuffed in a sleek enclosure with a SATA to USB 3.0 adapter card. Having already proved this technique with the SSD 850 range, Samsung released an external portable SSD known as the T1 in early 2015. Stacking 32 cell layers of cells on top of one another allows for greater density and more performance without an increase in size, while overcoming the interference and manufacturing challenges which had previously limited progress. The SSD 850 Pro is the world's fastest 2.5" SATA SSD, while the SSD 850 Evo is arguably the best value going.īoth are based on Samsung's proprietary 3D Vertical NAND (V-NAND) technology which overcomes cell-to-cell interference by stacking cell layers in 3D like manner. Samsung has enjoyed a lot of success with its SSDs over the past few years and its current drives are as good as ever. That being said, let's move on to discover all of said significant upgrades. The key upgrade as far as we can tell is the change from USB 3.0 to USB 3.1, providing the T3 series with the easier to use and more convenient USB Type-C connection. The company tells us that the T3 features several significant upgrades based on the T1's consumer feedback. The new Samsung Portable SSD T3 drives will be available in four capacities ranging from 250GB all the way up to 2TB. Having lowered its T1 series to a new price bracket, Samsung has made room for a newcomer - no, not the T2 series, but rather T3. Now 13 months later the T1 pricing has been adjusted somewhat and the huge 1TB model can be had for just $360, 40% less than its debut price.
Upon release the T1 series was $180 for the smallest 250GB model, $300 for the 500GB unit that we tested and $600 for the 1TB flagship.
Having been based on an mSATA version of the company's SSD 850 Evo, the T1 shared similar performance to that TLC SSD, and although USB 3.0 doesn't offer quite as much bandwidth as SATA 6Gb/s, Samsung touted sequential read and write speeds of 450MB/s, which at the time was more than twice that of the fastest thumb drive we'd handled. Samsung's ultra-compact T1 SSD made a strong impression around this time last year when it topped our performance charts as the quickest USB 3.0 storage device we'd ever tested.
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