With testing complete on the QSAN XN3004T, I am once again thrilled with the overall storage performance, and I'd guess anyone that prioritizes storage and features over the traditional "app" based system would truly enjoy what XCubeNAS is all about too. The N+1 design means you don't lose a drive of capacity to take advantage of storage tiering or SSD cache and the easy access panel gives access to memory upgrades through a SO-DIMM slot. The overall design of the NAS shadows the XN3002T we reviewed a year ago and the XN8008T from last December, offering a metal frame under a layered plastic exterior, drive trays full-on tool-less design and plastic to reduce vibration.
QSM 3.0 doesn't appear to have changed much since our initial review of the XN3002T, but as it was then, we have a very stable platform with virtually no bugs in navigation or setup. One big integration coming to the XCubeNAS platform is IronWolf Health Management, and as it does on many other platforms will offer a more refined look at the NAS environment, including temperatures, shock, and vibration.
Performance above all metrics was consistently able to reach the limits of Gigabit ethernet; there is a possibility of even higher performance than seen in my results by taking advantage of link aggregation and multiple client systems. With my result based on slinging data across a single cable, I will say that the XN3004T is perfectly capable of setting in a small office and delivering consistent performance for hours or days without a stumble. In my testing, we peaked at 118 MB/s sequential across all RAID modes without cache being needed. For workloads such as Servers whether its Web, File or Email, we see a large increase using SSD cache over standard HDDs and in some cases up to 7x the performance.
As far as pricing is concerned, the QSAN XN3004T comes in at $799.99 with a two-year warranty. Somewhat comparable solutions by hardware would be the Synology DS918+, Qnap TVS-471, and Asustor AS6404T.
The Bottom Line
QSAN has it together for users that want storage features and performance.