The RP in the name stands for redundant power: the unit has two 150 W power supplies. Connect them to separate power circuits or separate UPS units and the NAS keeps running when one supply or one circuit fails. For backups, shared folders and office application data that means fewer unplanned outages. The single-supply sibling is the RS826+.
The front panel holds four hot-swap trays for 2.5″ or 3.5″ SATA III drives (6 Gb/s). When space runs out, the Synology RX426 expansion unit adds four more bays for eight drives in total, with up to 192 TB of raw capacity. Volumes can be grown in DSM without moving data. Drives are not included, so you pick them to match the capacity and RAID level you need.
The four-core AMD Ryzen V1500B runs at 2.2 GHz and is built for round-the-clock server duty. One 4 GB DDR4 module is installed, and up to 32 GB (2 × 16 GB) can be fitted. The base memory is enough for file sharing and backups; adding more makes sense when several services run on the NAS at once and many users connect to it.
Four built-in 1GbE RJ-45 ports can be aggregated into one faster, more fault-tolerant connection. A single port delivers around 118 MB/s, so for faster work there is a PCIe 3.0 x8 slot for a 10GbE or 25GbE network card. Synology quotes sequential reads above 2000 MB/s and writes above 1300 MB/s, figures that are only reachable with a fast network card installed.
Instead of a network card, the same PCIe slot can take a Synology M.2 adapter card with two SSDs used as a cache. That speeds up frequently read files and workloads with many small files, such as databases and virtual machine disks. With a single slot, you choose whether faster networking or SSD caching matters more.
A business or branch office with a rack that needs central storage for four to eight drives and cannot afford downtime from a failed power supply. A depth of 518.6 mm, up to 46.07 W power draw and a 41.2 dB(A) noise level also suit a small server room without dedicated cooling.
| Brand | Synology |
|---|---|
| Net weight | 8.00 kg |
No, the NAS ships without drives. It takes 2.5″ and 3.5″ SATA drives.
The RS826RP+ has two power supplies, so its power is redundant. The RS826+ does not have that redundancy.
It comes with 4 GB DDR4, and up to 32 GB (2 × 16 GB) can be installed in total.
Not built in, as the ports are four 1GbE RJ-45. 10GbE or 25GbE is added with a network card in the PCIe 3.0 slot.
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