Samsung’s lineup of transportable SSDs has loved super good fortune, beginning with the T1 again in 2015. The corporate has been frequently updating their PSSD lineup with the evolution of various high-speed interfaces in addition to NAND flash era.

Previous this yr, Samsung introduced the Moveable SSD T7 Defend, a follow-up to the Moveable SSD T7 (Contact) offered in early 2020. Samsung is principally promoting the ruggedness / IP65 ranking of the T7 Defend as a promoting level over the common Moveable SSD T7 and T7 Contact. Lately’s overview takes a have a look at the efficiency and price proposition of the Moveable SSD T7 Defend. Our detailed research within the overview under finds any other trick that Samsung has up their sleeve, which makes the T7 Defend a worthy successor (slightly than simply an addition) to the Moveable SSD T7 circle of relatives.

Creation and Product Impressions

Exterior bus-powered garage units in a position to 1GBps+ efficiency have change into entry-level choices out there nowadays. Speedy developments in flash era (together with the appearance of 3-D NAND and NVMe) in addition to quicker host interfaces (reminiscent of Thunderbolt 3 and USB 3.2 Gen 2+) were key enablers. Widely talking, there are 5 distinct efficiency ranges on this marketplace:

  • 2GBps+ drives with Thunderbolt 3 or USB4, the usage of NVMe SSDs
  • 2GBps drives with USB 3.2 Gen 2×2, the usage of NVMe SSDs or direct USB flash force (UFD) controllers
  • 1GBps drives with USB 3.2 Gen 2, the usage of NVMe SSDs or direct UFD controllers
  • 500MBps drives with USB 3.2 Gen 1 (or, Gen 2, in some circumstances), the usage of SATA SSDs
  • Sub-400MBps drives with USB 3.2 Gen 1, the usage of UFD controllers

The Samsung Moveable SSD T7 Defend we’re taking a look at nowadays belongs to the 3rd class within the above listing, using a NVMe SSD at the back of an ASMedia ASM2362 bridge chip. The configuration is moderately very similar to the Moveable SSD T7 (Contact) on the subject of the NVMe controller and the bridge chip. There are a couple of commercial design updates to offer protection to the force in opposition to mud ingress and splashes of water (IP65), in addition to lend it a component of ruggedness. The placing externally visual one is the addition of an elastomer protecting (to be had in beige, blue, and black) to the interior steel case. The brand new casing additionally has a couple of ridges that run around the longer aspect.

Samsung contains two separate cables – one USB Sort-C to Sort-A, and any other Sort-C to Sort-C of roughly the similar duration. Disassembling the unit is reasonably trivial after getting rid of the 4 screws hidden underneath the product label stickers on all sides, and putting off the elastomer protecting. This finds an aluminum steel enclosure. The plastic tray conserving the real PSSD board can then be slid out after the removing of the plastic piece reverse the connector finish. Each plastic finish items have grommets round their outer edge to verify a excellent seal and give a contribution to the IP65 ranking. The principle board is held directly to the plastic tray by way of 4 smaller screws. The connector at the major board has a red-colored sealing band to be sure that it does not change into an ingress level for exterior subject material.

A complete teardown gallery may be offered above. It presentations that one aspect of the board is roofed with a thermal pad regardless of having no parts on its aspect. The removing of the thermal pad at the different aspect finds the controller and the flash applications. The SSD controller is the S4LR033, and the ASMedia ASM2362 bridge chip is correct subsequent to it. The SSD subsysem within the PSSD T7 Defend is a DRAM-less one, and is just about the similar as that of the T7 Contact – with the exception of for the flash applications. The 2 flash chips on board have the K9DVGB8J1B tag (in opposition to the K9DVGY8J5A in our pattern of the PSSD T7 Contact). This phase quantity decodes as: TLC, sixth gen V-NAND (128L / 136T), 512Gbit in line with die, 16 dies, 1TB for the entire bundle. This is similar NAND bundle utilized in Samsung 870 EVO SATA SSD.

Shifting from the fifth Gen. 92L (96T) V-NAND within the T7 Contact to the sixth Gen. 128L (136T) V-NAND brings a couple of 10% development in latency and 15% relief in energy intake, as in line with Samsung’s claims. As we will found out additional down on this overview, those facets do endure out when taking a look at quite a lot of analysis effects.


The overview compares the Samsung Moveable SSD T7 Defend 2TB in opposition to the opposite 2TB drives reviewed previous the usage of our newest direct-attached garage check suite. We have now additionally added the Samsung Moveable SSD T7 Contact 1TB to the combination, although it does not make for an apples-to-apples comparability. The listing of PSSDs thought to be on this overview is equipped under.

  • Samsung T7 Defend 2TB
  • SanDisk Skilled G-DRIVE 2TB
  • SanDisk Skilled G-DRIVE ArmorLock 2TB
  • Kingston XS2000 2TB
  • Samsung T7 Contact 1TB

A snappy review of the interior functions of the garage units is given by way of CrystalDiskInfo. The Samsung PSSD T7 Defend helps complete S.M.A.R.T passthrough, in conjunction with TRIM to verify constant efficiency for the force over its lifetime.

S.M.A.R.T Passthrough – CrystalDiskInfo

The desk under gifts a comparative view of the specs of the other transportable SSDs offered on this overview.

Comparative Direct-Hooked up Garage Units Configuration
Downstream Port PCIe 3.0 x2 1x PCIe 3.0 x4 (M.2 NVMe)
Upstream Port USB 3.2 Gen 2 Sort-C USB 3.2 Gen 2 Sort-C (Male)
Bridge Chip ASMedia ASM2362 ASMedia ASM2362?
Energy Bus Powered Bus Powered
Use Case Lightweight 1GBps-class transportable SSD with a sturdiness focal point (IP65 ranking) 1GBps-class, IP67-rated rugged transportable SSD for on-the-go content material seize workflows
Bodily Dimensions 88 mm x 59 mm x 13 mm 95 mm x 50 mm x 15 mm
Weight 98 grams 91 grams
Cable 45 cm USB 3.2 Gen 2 Sort-C to Sort-C
45 cm USB 3.2 Gen 2 Sort-C to Sort-A
49 cm USB 3.2 Gen 2 Sort-C to Sort-C
48 cm USB 3.2 Gen 2 Sort-C to Sort-A
S.M.A.R.T Passthrough Sure Sure
UASP Strengthen Sure Sure
TRIM Passthrough Sure Sure
{Hardware} Encryption Sure Sure (256-bit AES, best by way of SanDisk Safe App)
Evaluated Garage Samsung 128L (136T) V-NAND (6th Gen.) SanDisk BiCS 4 96L 3-D TLC
Worth USD 234 USD 360
Evaluate Hyperlink Samsung Moveable SSD T7 Defend 2TB Evaluate SanDisk Skilled G-DRIVE SSD 2TB Evaluate

Previous to taking a look on the benchmark numbers, energy intake, and thermal answer effectiveness, an outline of the testbed setup and analysis method is equipped.

Testbed Setup and Analysis Technique

Direct-attached garage units (together with transportable SSDs) are evaluated the usage of the Quartz Canyon NUC (necessarily, the Xeon / ECC model of the Ghost Canyon NUC) configured with 2x 16GB DDR4-2667 ECC SODIMMs and a PCIe 3.0 x4 NVMe SSD – the IM2P33E8 1TB from ADATA.

Essentially the most sexy facet of the Quartz Canyon NUC is the presence of 2 PCIe slots (electrically, x16 and x4) for add-in playing cards. Within the absence of a discrete GPU – for which there is not any want in a DAS testbed – each slots are to be had. Actually, we additionally added a spare SanDisk Excessive PRO M.2 NVMe SSD to the CPU direct-attached M.2 22110 slot within the baseboard so as to steer clear of DMI bottlenecks when comparing Thunderbolt 3 units. This nonetheless lets in for 2 add-in playing cards working at x8 (x16 electric) and x4 (x4 electric). For the reason that Quartz Canyon NUC does not have a local USB 3.2 Gen 2×2 port, Silverstone’s SST-ECU06 add-in card used to be put in within the x4 slot. All non-Thunderbolt units are examined the usage of the Sort-C port enabled by way of the SST-ECU06.

The specs of the testbed are summarized within the desk under:

The 2021 AnandTech DAS Testbed Configuration
Gadget Intel Quartz Canyon NUC9vXQNX
CPU Intel Xeon E-2286M
Reminiscence ADATA Business AD4B3200716G22
32 GB (2x 16GB)
DDR4-3200 ECC @ 22-22-22-52
OS Pressure ADATA Business IM2P33E8 NVMe 1TB
Secondary Pressure SanDisk Excessive PRO M.2 NVMe 3-D SSD 1TB
Upload-on Card SilverStone Tek SST-ECU06 USB 3.2 Gen 2×2 Sort-C Host
OS Home windows 10 Endeavor x64 (21H1)
Because of ADATA, Intel, and SilverStone Tek for the construct parts

The testbed {hardware} is just one section of the analysis. Over the previous couple of years, the standard direct-attached garage workloads for reminiscence playing cards have additionally developed. Top bit-rate 4K movies at 60fps have change into moderately commonplace, and 8K movies are beginning to make an look. Recreation set up sizes have additionally grown ceaselessly even in transportable recreation consoles, due to excessive answer textures and art work. Retaining those in thoughts, our analysis scheme for direct-attached garage units comes to more than one workloads which can be described intimately within the corresponding sections.

  • Artificial workloads the usage of CrystalDiskMark and ATTO
  • Actual-world get entry to strains the usage of PCMark 10’s garage benchmark
  • Customized robocopy workloads reflective of conventional DAS utilization
  • Sequential write pressure check

Within the subsequent phase, we’ve got an outline of the efficiency of the Samsung Moveable SSD T7 Defend in those benchmarks. Previous to offering concluding remarks, we’ve got some observations at the PSSD’s energy intake numbers and thermal answer additionally.


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