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Synology DS412+

The DS412+ is a top-end 4-disk NAS from Synology in the desktop form-factor. Released in the spring of 2012, it is based on the x86 platform which is the most popular choice in that product category. As we’ve mentioned above, the DS412+ and the DS413 look identical except for the two Gigabit Ethernet ports.

The DS412+ is configured differently inside, though. It has an Intel Atom D2700 processor clocked at 2.13 GHz. With two cores and HT support, it can process four execution threads simultaneously. The CPU works together with an ICH10R chipset that provides SATA and USB 2.0 ports. The DS412+ is equipped with 1 GB of system memory in a DDR3 SO-DIMM. It can be replaced with a larger-capacity one, but such an upgrade would breach the warranty terms. A pair of Intel 82574L chips are used as network controllers. The external eSATA port is based on an additional SiI3531 chip which seems to have better compatibility with port multiplicators (which are used in Synology’s expansion modules) than Intel’s chipset. A NEC D720200 is added to support USB 3.0. The PCB carries a 128MB flash disk with USB interface. It is used to load some of Synology’s exclusive software since the platform’s BIOS is not utilized for that purpose. The OS is a 64-bit version, by the way. It’s hard to say if this choice is necessary, but you should keep this fact in mind.

Technical Specifications

The following table helps you compare the key specifications of the three NASes from Synology:

So we can see that they differ not only in their processors but in some other specs as well. All of them support SATA 3 Gbit/s although competitor products already offer 6 Gbit/s. This is hardly critical for NAS applications, though.

The senior model is inferior to top-end solutions from other brands because it lacks video outputs and has fewer USB 2.0 and eSATA ports but the latter fact is made up for by the availability of Synology's expansion modules.

Each of these NASes features an efficient and quiet cooling system. The HDDs were no hotter than 40 to 43°C during our tests. Placed on a desk, such a NAS won't be audible among the hum of daytime noises.

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