Verdict: Backblaze B2 excels for users who need elastic, off‑site storage with minimal upfront cost, offering $0.005/GB pricing and 3‑copy durability (per Backblaze). The DS923 shines for on‑premises environments, delivering faster local file access, DSM app ecosystem, and RAID protection, but requires a $549 hardware investment (per Synology). For teams prioritizing low‑latency local access and private cloud features, the DS923’s higher performance and richer feature set outweigh its higher initial cost, while pure backup‑as‑a‑service users will find B2 more economical.
Winner: Synology DiskStation DS923
Backblaze B2 Cloud Storage: 7.5/10
Synology DiskStation DS923: 8/10
| Backblaze B2 Cloud Storage | Synology DiskStation DS923 | |
|---|---|---|
| Pricing | $0.005 per GB per month (per Backblaze documentation) | — |
| Download cost | $0.01 per GB (per Backblaze documentation) | — |
| Redundancy | 3‑copy replication (per Backblaze documentation) | — |
| API compatibility | S3‑compatible REST API (per Backblaze documentation) | — |
| CPU | — | Intel Celeron J4125 4‑core 2.0‑2.7 GHz (per Synology spec sheet) |
| RAM | — | 4 GB DDR4 (expandable to 8 GB) (per Synology spec sheet) |
Our pick: Synology DiskStation DS923.
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