![]() The M.2 cache is located inside the DS1821+ to the left of the furthest drive bay. Along the bottom are three remaining USB 3.2 Gen 1 ports, as well as the four RJ-45 1GbE LAN ports, a reset button, and two expansion ports. On each side of the fan is a power port to the left and the PCIe expansion slot to the right. Turning the DS1821+, you will see the two 120 mm x 120 mm fans, which take up most of the real estate of the back panel. One of the four USB 3.2 Gen 1 Ports is also located near the bottom right corner of the NAS. Along the top (left to right) are the status and alert indicators, the power button, and the LAN indicator lights. The front panel is where you access all of the eight 3.5” drives, which also feature a locking mechanism and a drive status indicator LED above each tray. The NAS also sits securely wherever you put it due to its rubber pads on the bottom of the device. It features the usual matte black chassis that nicely combines metal and plastic for a very slick look and feel. The Synology DiskStation DS1821+ looks exactly like the 6-bay model (and Synology’s tower line up in general) with the exception of slightly longer width and weight. Synology DiskStation DS1821+ Design and Build Synology DiskStation DS1821+ Specifications CPUĤ (with Link Aggregation / Failover support)īrightness Adjustable Front LED Indicators You can also turn your Synology NAS to a surveillance server with Surveillance Station, a comprehensive video monitoring package that offers a range of management tools to protect your business or home.īacked by a 3-year warranty, the Synology DiskStation DS1821+ goes for roughly $950 for the diskless model compared to $800 for the 6-bay, or about $75 per bay in this case. The web-based DSM software (currently in version 6.2) manages all aspects of Synology server solutions and offers home users, businesses, and enterprises a diverse range of apps (or packages) for virtually any need they might have.įor example, the Central Management System allows organizations to manage all their Synology NAS devices from a centralized console, while the Replication Service gives users the ability to replicate snapshots from the source to the destination. The DS1821+ is of course powered by DiskStation Manager (DSM), the company’s easy-to-use and comprehensive operating system that has set the bar in the NAS market for some time now. While the DS1621+ has a high-performing Intel-based version with the DS1621xs+, the DS1821+ is currently the only model in the line. Those who want to get the most out of the DS1821+ can utilize its PCIe Gen3 x8 slot (x4 link), which is used to add a 10GbE network adapter card or an additional M.2 NVMe drive slot to further improve performance. The Synology DS1821+ is equipped with pretty much the exact same connectivity ports as the 6-bay model that is, four RJ-45 1GbE LAN ports, two eSATA ports, and four USB 3.2 Gen 1 ports (one more than the DS1621+). The DS1621+ also can be outfitted with up to 32GB DDR4 ECC SODIMM RAM, though it ships 4GB with the standard build. The above-mentioned performance will slow down a bit when leveraging this technology due to the encryption process. Nonetheless, the DS1821+ is able to reach these numbers due to its AMD Ryzen V1500B 4-core 2.2 GHz 64-bit (also inside the DS1621+), which features Hardware Encryption Engine (AES-NI). These numbers are pretty much on par with the DS1621+ model we reviewed last week. Businesses can also significantly increase the capacity of the DS1821+ using dual DX517 expansion devices, which ups the drive count to 18 for a maximum single volume size of 108TB.Īs far as performance goes, Synology quotes the DS1821+ around 2.3GB/s read and 1.15GB/s write in sequential speeds using (when using optional aggregated 10GbE connectivity), while random speeds are expected to reach up to 113,000 IOPS read and 54,000 IOPS write (when using 10GbE iSCSI). Like others from the line, this 8-bay NAS solution features an AMD Ryzen CPU and two M.2 2280 slots for NVMe Cache, which helps to drive its solid performance. The Synology DiskStation DS1821+ is an 8-bay NAS solution designed for SMBs looking for an effective way to store and protect their data.
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