QNAP TS-251D
#7 in Home NAS Servers · Rated 4.3
2‑bay PCIe‑enabled NAS for multimedia and backups.
TS-251D is a compact 2‑bay NAS designed for multimedia streaming, backups, and everyday file sharing. It includes a PCIe slot to accept a network card or NVMe caching, plus a Gigabit Ethernet port (with potential upgrades via PCIe). The device runs QTS and supports Qsync for file syncing, QuMagie for photo management, and Notes Station for collaboration. Its balance of price, port options, and software makes it a dependable choice for home users who want a capable, expandable entry point to a QNAP ecosystem. Availability is global via QNAP partners.
Features
- 2 bays with PCIe expansion slot
- Gigabit Ethernet (upgradable via PCIe NIC)
- QTS with Qsync, QuMagie, and Notes Station
- 4K transcoding support and multimedia apps
- Expandable via PCIe for future upgrades
Pros
- Compact and affordable entry into QNAP ecosystem
- Flexible PCIe upgrade path
- Good multimedia and backup features
Cons
- Only 1 GbE onboard (at base)
- Performance scales with RAM and PCIe card choice