A particularly strong choice as a media server, the updated Nimbustor 4 is both flexible and quick
Asustor’s Nimbustor 4 AS5404T is a four-drive NAS enclosure aimed at demanding home users or small offices. It’s a performance-focused NAS thanks to the fairly muscular Intel Celeron N5105 processor and 4GB of RAM. At the back you’ll find two 2.5GbE ports, along with two of the NAS’s three USB-A 3.2 Gen 2 sockets – the other one is easily accessed at the front.
The NAS can mount up to four 3.5in or 2.5in SATA disks in various RAID configurations including RAID5, 6 and 10. Unusually, it also has four NVMe slots. You could configure the AS5404T with a four-SSD RAID5 volume, alongside a slower disk-based storage pool. Alternatively, you could use an SSD cache to accelerate disk performance, or compromise with one or two SSDs on cache duty and others serving as a fast volume.
You can upgrade the enclosure’s installed RAM up to 16GB, though you’ll have to remove the 4GB it comes with. If you need to add storage, you can do so with up to three Asustor AS6004U expanders, allowing for a total 16 disks. Asustor says this NAS can hit maximum read and write speeds of 599MB/sec, but you’ll need to be using both network ports for that.
We’re not wild about this unit’s physical setup: there’s tool-less access for 3.5in disks, but the caddies release with a horrific snapping sound that had us checking to confirm we hadn’t broken the catches.