best nvme for Synology NAS (Synology, Samsung 990 Pro, FireCuda 530, FireCuda 520 and WD Red SN700)
How do Synology NVMe compare with other brands?
In order to choose SSD for caching consider the size of the NVMe required, as this will impact the amount of data that can be cached. The Synology NVMe M.2 and the WD Red SN700 offer lower capacities of 400GB and 250GB, respectively, while the Seagate FireCuda 530 SSD and Seagate FireCuda 520 offer larger capacities of up to 4TB and 2TB, respectively.
Another critical factor is the interface and controller used by the NVMe. The Synology NVMe M.2 and the WD Red SN700 use PCIe Gen3 x4, while the Seagate FireCuda 520 and Seagate FireCuda 530 SSD use PCIe Gen4 x4. The NVMe controller also varies, with the Synology NVMe M.2 using NVMe 1.3, while the other three models use NVMe 1.4 or 1.3.
The speed of the NVMe is also an essential consideration. The Seagate FireCuda 530 SSD has the highest read and write speeds of up to 7,300MB/s and 6,900MB/s, respectively, while the Synology NVMe M.2 has the lowest read and write speeds of up to 3,000MB/s and 750MB/s, respectively. Additionally, the Seagate FireCuda 530 SSD has the highest read and write IOPS of up to 1,000,000 and 1,000,000, respectively, while the Synology NVMe M.2 has the lowest IOPS of up to 225,000 and 45,000, respectively.
Finally, consider the NVMe’s reliability, as measured by the Mean Time Between Failures (MTBF) and the Drive Writes Per Day (DWPD). The Seagate FireCuda 530 SSD and Seagate FireCuda 520 have the highest MTBF of 1.8 million hours, while the WD Red SN700 has the highest DWPD of 1.0DWPD.
In summary, choosing the best NVMe for caching in a NAS requires considering the NAS specifications, the required capacity, interface, controller, speed, and reliability. Ultimately, the right NVMe depends on the specific needs of the user and their intended use case.
| Model | Capacities | Interface | Controller | Read Speed | Write Speed | Read IOPS | Write IOPS | TBW | MTBF | DWPD |
|---|---|---|---|---|---|---|---|---|---|---|
| Synology NVMe | 400GB, 800GB | NVMe PCIe 3.0 x4 | NVMe 1.3 | 3,000 MB/s | 750-1,000 MB/s | 225,000-400,000 | 45,000-70,000 | 491-1,022 TB | 1.8 million hours | 0.68 DWPD |
| Samsung 990 Pro | 1TB, 2TB | PCIe Gen 4.0 x4 | NVMe 2.0 | Up to 7,450 MB/s | Up to 6,900 MB/s | Up to 22,000 | Up to 1,550,000 | N/A | 1.5 million hours | 0.68 DWPD |
| FireCuda 530 SSD | 500GB, 1TB, 2TB, 4TB | PCIe Gen4 ×4 NVMe 1.4 | NVMe 1.4 3D TLC | 7,250-7,300 MB/s | 3,000-6,900 MB/s | 400,000-1,000,000 | 700,000-1,000,000 | 640-5,100 TBW | 1.8 million hours | 0.7 DWPD |
| FireCuda 520 | 500GB, 1TB, 2TB | PCIe Gen4 ×4 | NVMe 1.3 3D TLC | 5,000 MB/s | 2,500-4,400 MB/s | 430,000-760,000 | 630,000-700,000 | 850-3,600 TBW | 1.8 million hours | 0.9 DWPD |
| WD Red SN700 | 250GB-4TB | PCIe Gen3 x4 8 Gb/s | NVMe 1.3 Sandisk 3D TLC | 3,100-3,430 MB/s | 1,600-3,100 MB/s | 220K-550K | 180K-560K | 500-5,100 TBW | 1.75 million hours | 1.0 DWPD |
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