12/23/2023 0 Comments 1 tb solid state drive for imacDenser dies are particularly useful at higher capacities with four-channel controllers, such as we have here. This flash is also seen in some newer 970 EVO Plus drives - notably slower in TLC mode at 1TB than the original model that launched with less-dense, 92-layer TLC - but, if necessary for interleaving, it also appears in a 256Gb or 32GB per die configuration. This does require the proper SLC cache design, particularly at 1TB, which is to say it should be more conservative to ensure a high level of performance. Each die is capable of up to 82MBps in its native, non-SLC mode, which is more than sufficient to hit Samsung’s stated speeds. This suggests a 16DP (sixteen dies per package) configuration, similar to what’s in the 870 EVO, for a total of 32 dies at 2TB. This 128-layer flash tends to come in 512Gb, or 64GB, dies, and each of the NAND packages here is 8Tb or 1TB in capacity. The flash as labeled is Samsung K9DVGB8J1B-DCK0, which we have seen on other drives like the Samsung 870 EVO. The bridge chip is ASMedia’s ASM2362, capable of 10Gbps transfer speeds, and Samsung uses it on the other T7 models and many other portable SSDs. This controller is also used in the other T7 models as well as Samsung’s 980 desktop NVMe drive. Samsung’s Pablo controller, labeled S4LR033, is a DRAM-less four-channel design. Samsung additionally has a Dynamic Thermal Guard, which adjusts the drive's performance to make sure the casing remains below 57C, which is notably lower than the 60C international standard - this reduces the risk of users getting injured when grabbing the case. This includes being able to survive drops of up to three meters. The drive is also IP65 rated and includes protection against dust, water, shock, and vibration. The T7 Shield has many features designed around security and durability, including hardware encryption. This is almost twice as fast as SATA-based portable options. However, Samsung ensures 900MBps and 1000MBps sustained performance for the 1TB and 2TB SKUs, respectively, which is particularly excellent for the intended market. This is quite modest as a result of the 10Gbps bridge chip, especially considering we have 20Gbps and Thunderbolt 3 portable SSDs on the market. The drive is rated for up to 1,050/1,000MBps for sequential reads and writes, respectively. It’s nice to see a 2TB option, and considering this drive is ideal for those who likely need capacity, the omission of smaller SKUs is not an issue. The Samsung T7 Shield comes in 1TB and 2TB capacities. IP65, Shock/Vibration Resistant, Thermal Guard USB Type-C to Type-C, USB Type-C to Type-A cables We will see if this bears out in testing. This makes it an excellent choice for photographers and videographers in the field who want something consistent and reliable. It’s probably best to focus on what it does better - the T7 Shield has increased durability and guaranteed performance. This product is otherwise not too exciting, given that it doesn’t improve much on models going back over two years. For example, Samsung uses pulp material with one-third less tray packaging. This essentially means that all steps involved in creating the product and its packaging were designed and verified to minimize the resultant carbon footprint. Samsung also made a concerted effort to reduce waste on this product and earned a Product Carbon Footprint label from the Carbon Trust. Regardless, Samsung promises to maintain sufficient performance to meet high-resolution video recording requirements, defined as the ability to write at 900MBps consistently. Compatibility for mobile devices includes the T7 Shield operating within the USB power specification, which means a maximum power draw of between 2.5W and 7.5W, depending on the port. Samsung also ensures compatibility with Windows 7 or higher, macOS, and Android Lollipop or higher.
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