Still, as a read cache drive, boot drive, or other lighter-duty tasks, it is serviceable. This drive is not designed to be a server drive hammered by OLTP databases 24×7. Silicon Power 128GB A55 M.2 SATA SSD Benchmark Performance One can load VMware ESXi, FreeNAS/ TrueNAS Core, pfSense or other OSes and simply have a low-cost boot option. Instead, we think of this drive now as a “boot drive” class device. With a modern server, we would urge our users to utilize larger capacity drives and NVMe for primary storage. At this price point, components can change as you are not paying for a stable BOM. The A55 2.5″ SATA drives have more room so they can use different controllers and NAND. This particular drive uses a Silicon Motion controller with Intel 3D TLC NAND. For cooling purposes, this M.2 2280 or 80mm SSD only has top side components that help with keeping the drive’s temperatures moderated. The back of the drive is completely barren. Today’s M.2 SSDs can support PCIe Gen4 and speeds 14x what this drive can handle. As a result, it is not a performance class of drive. The drive itself is a M.2 SSD, however it is not NVMe like most modern drives. This makes a lot of sense since the A55 line can scale to higher capacity points with 3D TLC NAND. On the front of the drive, we can see four pads for NAND with only one occupied. Silicon Power 128GB A55 M.2 SATA SSD Overview In our review, we are going to take a look at what you can expect from a drive like this. We purchased several of these for under $35 to use as boot devices. The word “cheap” is not one we take lightly at STH, but that is essentially the product segment for this drive, an ultra-low-cost SATA M.2 device. Indeed, it is meant to be something completely different: cheap. The Silicon Power 128GB A55 M.2 SATA SSD is not a fancy drive.
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