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Silicon Power US70 PCIe Gen4x4 M.2 2280 2TB SSD Review

Storage/SSD by stefan @ 2021-06-14

The US70 PCIe Gen4x4 drive from Silicon Power does trade punches with the products we have tested before from the same category and in many cases, it did succeed to stay on top! The 2TB version of the product comes with a 3600TB rating and 5 years warranty, so you do not have to worry about endurance even when performing storage intensive activities. US70 thanks to its firmware and controller does make use of technologies such as LDPC, TRIM, SLC caching, DRAM cache buffer, End-to-End Data protection in order to keep a high sustained write data rate for longer and also has wear leveling in order to have a similar usage throughout all internal cells.

Packaging, A Closer Look

In this article we will concentrate our view upon the 2TB version of the US70 PCIe Gen 4x4 SSD from Silicon Power, featuring rated speeds of up to 5000MB/s regarding reads and up to 4400MB/s regarding writes, while the included Phison PS5016-E16 controller comes with multiple reliability and performance functions.

The 2TB version of the drive has arrived inside a very compact cardboard packaging, with a transparent casing in which the drive is held secure:

On the back, we will note some details on SP Worldwide Service Center, but also the supported standards, the internal code name of the product and serial number:

The plastic layer helps protect the drive during transit and to prevent bending:

On the frontal area of the drive we will find a large sticker covering the components; here we will note the drive model, product internal code name, the drive capacity but also the serial number:

On the back we will observe two BiCS4 96-layer TLC flash packages but also a DRAM 512MB cache IC:

After removing the top sticker, we will discover two additional, NAND packages, the main controller but also a secondary DRAM cache IC:

The two DDR4 ICs carry the H5AN8G8NCJ code name:

The Phison PS5016-E16 controller was manufactured on a 28nm process and comes with plenty of power in order to process ECC. The controller comes with no less than eight NAND channels with 32 CE targets, supports DDR4 RAM caching and was designed to operate on the PCIe 4x4 interface. As extra features incorporated, we will remind NVMe 1.3 support, LDPC error correction, Wear Leveling but also Over-Provision technologies:

The NAND IC packages are marked TABHG65AWV, which represent 512GB of Toshiba 96-Layer BiCS4 3D TLC:

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