![]() ![]() SP’s XS70 arrives in minimal packaging with no additional accessories. Worth noting here is that modern drives often have encryption in-flash as well, so attackers cannot access data by removing the physical NAND chips. For example, Microsoft removed SED support for Bitlocker back in late 2018 because poor firmware implementation allowed malicious decryption. This can be for product segmentation but also because software encryption is often a preferred approach. While we do try to check for this support on drives, it’s worth noting that this feature, while optional for most controllers, is often not present on consumer drives. Data can also be scrambled after this process. This includes an option for a cryptographic erase which throws away the key, being a faster option for a sanitize. Self-encrypting drives (SED) can utilize AES-256 encryption to protect the contents through hardware. SP also informed us that the XS70 does not support TCG Opal. That is to say, be aware that results are often under ideal circumstances that will vary in actual usage and, further, manufacturers may modify the hardware down the road. Therefore, the wise consumer should pay attention to overall hardware and design, which includes the mutability of hardware. Likewise these metrics may rely on a certain queue depth or level of threading, often at unrealistic values. Speeds are limited by the amount of interleaving, that is the amount of flash (NAND) dies available for parallelization, such that sequential writes, for example, should be lower at 1TB. It’s worth noting that sequential reads are taken from the native flash, in this case 3-bit MLC or TLC, while sequential writes come from the SLC write cache. if you search Silicon Power's spec sheets hard enough, you'll find that the endurance is rated for up to 700 TB of write data per TB of capacity (with the exception of 3PBW at 4TB).Īs with all SSDs, there is an “up to” qualifier for performance metrics. Pricing varies from $0.12-0.19 per gigabyte with the upper limit approached only with the 4TB SKU this premium is typical, particularly with TLC. The drive comes in 1TB, 2TB, and 4TB capacities. The XS70 is rated for sequential speeds of up to 7.3/6.85 Gbps read/write and 1 million random read and write IOPS, matching competing drives. The option of a 4TB capacity is nice, particularly because the Gaming Performance Plus doesn't come with this spacious option. Silicon Power positions it as a PlayStation 5 (PS5) option as we have seen from competing products, like the Kingston Fury Renegade and Inland Gaming Performance Plus, and it has the newest flash and an attractive PS5-compliant heatsink. The company continues to produce mostly Phison-controlled drives, like the UD70 and US70, but the XS70 is certainly the premium part of their product stack. Still, the availability and reasonable pricing of the P34A80 put Silicon Power on the map. Such swaps are common in the industry, but this made the drive less desirable. Eventually, it transitioned to using the Phison E12S or Silicon Motion’s SM2262EN controller. The latter was one of the first SSDs based on the Phison E12 controller and it maintained the original hardware layout for a significant period of time. The company's most popular SSDs are and were the P34A60 for budget or entry-level, and the perennial mainstream P34A80. Silicon Power is another third-party SSD manufacturer that also makes other products, predominantly flash-based drives that vie for a spot on our list of Best SSDs. ![]()
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