TerraMaster F4-421 NAS Review (2021 Model)
The TerraMaster F4-421 was launched back in 2019, but a couple of months ago, I was sent a press release with an F4-421 announcement. The announcement was especially confusing as there was no mention of the 2019 model, and at a passing glance, all the specifications looked the same. It turns out that it is a new model…