TerraMaster’s D2-310 RAID enclosure is a two-bay, USB 3.1 Gen 2 (10Gbps) box that’s extremely similar in appearance to the company’s fast F2-220 NAS. In fact, it’s pretty much the same box with a different backplate and logic board. As direct-attached, USB storage options go, this one is rugged and pretty fast, though still with some shortcomings.
Design and specs
Like its F2-220 cousin, silvery D2-310 is built like a brick outhouse, with real metal and a wide stance, making it difficult to knock over. That’s important when you have two rapidly spinning, rather fragile 3.5-inch hard drives inside. It’s also capable of housing 2.5-inch drives. Drives are installed and swapped using sliding trays, but there are no locks on the bay doors—the D2-310 isn’t for theft-prone areas.
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