How to choose a 7-bay NAS in 2026
12 NAS models across 2 vendors ship with 7 drive bays. The table below lists every one of them with its official drive-list depth — read each model page for the vendor's own tested drives.
All 7-bay models, ranked by official drive-list depth
CPU/RAM shown where the vendor publishes them (Synology/QNAP specs); "drives listed" = rows on the vendor's own compatibility tool. UniFi consoles follow spec-based requirements instead of a whitelist — their rows link to the requirement breakdown.
| Model | Vendor | CPU | RAM | Drives listed |
|---|---|---|---|---|
| Synology DS713+ | Synology | Intel Atom D2700 | DDR3 1 GB | 823 |
| Synology DS715 | Synology | Annapurna Labs Alpine AL-314 | DDR3 2 GB | 741 |
| Synology DS712+ | Synology | Intel Atom D425 | DDR3 1 GB | 715 |
| Synology DS716+ | Synology | Intel Celeron N3150 | DDR3 2 GB | 669 |
| Synology DS716+II | Synology | Intel Celeron N3160 | DDR3 2 GB | 668 |
| Synology DS710+ | Synology | Intel Atom D410 | DDR2 1 GB | 584 |
| Synology DS718+ | Synology | Intel Celeron J3455 | DDR3L SODIMM 2 GB | 520 |
| Synology DS720+ | Synology | Intel Celeron J4125 | DDR4 2 GB | 281 |
| QNAP TS-h765eU | QNAP | Intel Atom x7405C 4-core, up to 3.4GHz | 8 GB SODIMM DDR5, enabled in-band ECC | 181 |
| Synology DS723+ | Synology | AMD Ryzen R1600 | DDR4 ECC SODIMM 2 GB | 133 |
| Synology DS725+ | Synology | AMD Ryzen R1600 | DDR4 ECC SODIMM 4 GB | 41 |
| Synology DS725neo+ | Synology | AMD Ryzen R1600 | DDR4 Non-ECC SODIMM 4 GB | 41 |
| Ubiquiti UNAS Pro | UniFi | Quad-Core ARM Cortex-A57 @ 1.7 GHz | 8 GB | spec-based |
| Ubiquiti UNVR Pro | UniFi | — | — | spec-based |
Drives the most 7-bay machines share
Cross-checked against every 7-bay model's official list on this site — the safest part numbers when you're not sure which box you'll end up with:
| Drive | Brand | Series | Listed on | |
|---|---|---|---|---|
| WD20PURZ | Western Digital | Purple | 9 of 12 models | price |
| WD30PURZ | Western Digital | Purple | 9 of 12 models | price |
| WD20PURX | Western Digital | Purple | 9 of 12 models | price |
| WD30PURX | Western Digital | Purple | 9 of 12 models | price |
| WD60PURX - 64T0ZY0 | Western Digital | Purple | 9 of 12 models | price |
| WD20EJRX | Western Digital | Purple | 9 of 12 models | price |
| WD30EJRX | Western Digital | Purple | 9 of 12 models | price |
| WD40EJRX | Western Digital | Purple | 9 of 12 models | price |
| WD60EJRX | Western Digital | Purple | 9 of 12 models | price |
| WD40PURX - 64GVNY0 | Western Digital | Purple | 9 of 12 models | price |
| WD1005VBYZ | Western Digital | Gold | 8 of 12 models | price |
| WD2005VBYZ | Western Digital | Gold | 8 of 12 models | price |