The Samsung T7 Touch has two unique selling features. A touch button for fingerprint security and the latest USB-C 3.2 Gen 2 (10Gbps) interface that can reach 1Gbps data transfer speeds.
T7 Touch does in one second what takes between six and ten times longer on a traditional
external SATA6 USB interface SSD. But there is one catch – you need a USB-C 3.2
Gen 2 device to copy from or to.
Now before you get confused about the Samsung T7 Touch, its interface is backwards compatible with all USB. The existing USB-C 3.1 Gen 1 and 2 have been thoughtfully renamed by the USB-IF as USB-C 3.2 Gen 1 and 2 for 5Gbps and 10Gbps respectively. And the drive is backwards compatible with USB-A 2.0 and 3.0!
(RRP or typical online price plus freight):
MU-PC500 500GB $279 (56 cents per
MU-PC1T0 1TB $439 (44 cents)
MU-PC2T0 2TB $799 (40 cents)
In the box:
Samsung T7 touch (85x 57x 8mm
x 58g) and formatted to
USB-C to USB-C 30cm cable (3.2 Gen
USB-C to USB-A 30 cm cable (3.2 Gen
Unfortunately, we don’t have any native USB-C 3.2 Gen 2 computers at present. Our test Lenovo 2019 Yoga C930 has 2 x Thunderbolt 3 (that should be Gen 2 compatible) and 1 x USB-A 3.1 Gen 1.
tests reflect that setup.
T7 achieves 857/769MB/s using a Thunderbolt 3 port – that’s not far off the
claimed speeds, and we expect the 500GB to perform a little slower than 1 or
2GB with larger caches.
On a using
a Gen 1 port it achieves 439/437MB/s which is at the limit of that port.
interestingly both ports had very similar large file transfer rates – within a
few percent of each other indicating that there is a small cache buffering the
flash storage. If you transfer a lot of large files, then you may need to look
at competing products with larger caches.
it works on Thunderbolt 3 (20Gbps) at close to Gen 2 speeds.
Let’s dig deeper
T7 touch uses 3-bit 92L TLC V-NAND, and its cache is called TurboWrite
Technology. This is not really DRAM cache, but a small and fixed portion of the
TLC is treated as 1-bit SLC.
That cache, one full with larger files, does slow down the transfer rates. Most typcial users will not notice it.
The App (tested Windows)
The Samsung Portable SSD software for Windows, Mac or
Android allows for firmware updates and setting security levels – off, password,
or password and fingerprint. The data is AES 256-bit hardware encrypted.
We were unable to discover any other functionality like
backup or restore. Samsung’s response was “You can select files such as photos
and mp3s that you want to back up through the file manager on your device, and
copy/paste them to the PSSD.”
We presume (not tested) that it also works with commercial
back up software.
You can register up to four fingerprints.
A few caveats
Being solid-state, it can withstand drops up to 2 metres,
but it is not IP rated waterproof.
Your USB port needs to deliver at least 5V/1.5A – most recent
ones do. Older USB-A 2.0 (black insert) may not work.
If you lose your password or finger?
you cannot reset the device – it is cactus.
Touch is only for security – it does not initiate a backup.
Use only the cables provided – other cables may not support
USB-C 3.2 gen 2.
GadgetGuy’s take – Samsung T7 touch is an evolution
I have been using Samsung T devices for some time. They are
all leading-edge (when released), and this uses the fastest USB-C interface.