![]() ![]() If you require only simple network attached storage, such as a large shared folder on the network, a unit like the 415+ is overkill just get a DS414j or some other brand. If you require maximum flexibility and do not care about energy use, a generic server is probably better. The distinction is not as sharp as it first appears, since a Synology device like this is in fact a server. Why buy a unit like this when you could simply get a server with plenty of drive bays, or with hardware RAID, and install Linux or Windows Storage Server? The two reasons are first, simplicity of operation, and second, low power consumption. The 415+ also has specifica support for VMWare VAAI (vStorage API for Array Integration) and Windows Server ODX (Offloaded Data Transfer) this enables some storage tasks to be offloaded to the storage system for better performance on the virtualization host. It looks as if some limits are lifted with the 415+, for example there is support for 256 iSCSI LUNs on the 415+, versus 10 on the 415 Play. The software is mostly the same on all the devices, Synology’s Diskstation Manager (DSM), currently at version 5.1. The extra cost of the 415+ buys you double the amount of RAM, a quad core CPU, and an eSATA port. The 415 models are the latest releases then, and the only ones to use Intel CPUs. Incidentally, I am guessing that in the Synology numbering scheme, the first digit represents the number of drive bays, and the second two digits the year of release. You can get a more detailed comparison of these four models in this table. 2GB RAM, 2.4GHz quad core Intel Atom CPU, 1 USB 2.0 port, 2 USB 3.0 ports, 1 eSATA port, 2 1Gb Ethernet ports, 100W power supply, 32.64W power consumption. 1GB RAM, 1.6GHz dual core Intel Atom CPU, 3 USB 2.0 ports, 2 USB 3.0 ports, 1 1Gb Ethernet port, 90W power supply, 27.33W power consumption. Benefits from hardware video transcoding. 1GB RAM, 1.33 GHz dual core ARM CPU, 1 USB 2.0, 2 USB 3.0, 2 1Gb Ethernet ports, 90W power supply, 28.42W power consumption. 30W power supply, 15.48W power consumption. 512MB RAM, 1.2GHz single core ARM CPU, 2 USB 3.0 ports, 2 1Gb Ethernet ports. Given that you can normally tuck your NAS away in a corner, there is limited value in restricting yourself to these smaller drives, but there is also an energy as well as space saving. All the other units here support 3.5″ drives. DS414 Slim £237.87: Smaller case designed for 2.5″ drives. ![]() 90W power supply, 32.64W power consumption.
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