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Synology has unveiled two additions to its DiskStation lineup—the DS725+ and DS1825+—which offer two and eight drive bays, respectively. The new 25 Plus series models offer 2.5GbE networking, support SATA SSDs and HDDs (both 2.5" and 3.5"), and feature M.2 NVMe slots for use as cache.

Like the DS925+ and DS1525+, the new models can be upgraded with the company’s DX525 expansion unit. You can add a single expansion unit to the DS725+ or two expansion units to the DS1825+. Calculated using 20TB drives, you get up to 40TB of storage with the DS725+ or 140TB with added expansion; and up to 160TB with the DS1825+ or an impressive 360TB with the added expansion. That’s a serious number of photos and videos!

One caveat to consider when investing in these new 25 Plus series models is that Synology says complete functionality will only be available with Synology-branded drives—a proviso that the company says ensures the most reliable performance. This isn’t a huge deal if you’re using HDD drives, since Synology’s drives are competitively priced, but if you want to go the solid-state route, Synology SDDs are rather expensive compared to those of its competitors. (Non-certified drives can technically be used in the new NAS systems, but users that choose to do so will lose certain software- and firmware-related functionality.)

The Synology DS725+ and DS1825+ will retail for $520 and $1,150, respectively—yes, that’s without any storage drives!

Synology’s DiskStation 25-series includes the DS425+, DS725+, DS925+, DS1825+, and DS1525+