Backblaze B2:検証済みファクトと評価
確認日 2026-11-04
Score の内訳
95% 事実で裏付け済み · ランキングの決め方
市場と比べたBackblaze B2
点がこの会社、線はランキング全社の中央値です。
保存料金(GBあたり月額・標準クラス)$0.006$0.023$0.00695 · 中央値 $0.01463
エグレス料金(GBあたり・インターネット向け)$0.00$0.11176$0.01 · 中央値 $0.00816
稼働率SLA99.9%99.95%99.9% · 中央値 99.9%
Backblaze B2の強みと弱み
メリット
- エグレスが無料または安い
- Object Lockで変更不可のバックアップ
- 独立監査済みのセキュリティ
- 公開SLAの稼働率が高い
デメリット
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すべてのデータ
| 項目 | 内容 | 出典 | 確認日 |
|---|---|---|---|
| 保存料金(GBあたり月額・標準クラス) | $0.00695 | B2 Cloud Storage | $6.95 / TB / month | Free up to 3x average monthly storage | None. Pay as you go, or commit 1 to 5 years | | backblaze.com | 2026-11-04 |
| エグレス料金(GBあたり・インターネット向け) | $0.01 Overage rate: $0.01 per GB beyond the free allowance. | backblaze.com | 2026-11-04 |
| 恒久的な無料枠 | あり First 10 GB of storage is always free. | backblaze.com | 2026-11-04 |
| 最低保存期間 | 0 日 No minimum storage duration fee. | backblaze.com | 2026-11-04 |
| S3 API互換 | あり Backblaze B2 Cloud Storage is always-hot, S3-compatible object storage | backblaze.com | 2026-11-04 |
| リージョン数(事業者の公表値) | 4 you choose whether that account’s data is stored in the US East region, the US West region, the EU Central region, or the Canada East region. | backblaze.com | 2026-11-04 |
| バージョニング | あり Each bucket has a set of lifecycle rules that instruct Backblaze B2 to hide or delete old versions of files. | backblaze.com | 2026-11-04 |
| ライフサイクルルール | あり Each bucket has a set of lifecycle rules that instruct Backblaze B2 to hide or delete old versions of files. | backblaze.com | 2026-11-04 |
| Object Lock(変更不可の保存) | あり Backblaze B2 Cloud Storage Object Lock lets you make data immutable by preventing a file from being changed or deleted until a given date | backblaze.com | 2026-11-04 |
| 保存時の暗号化 | あり Server-side encryption (SSE) protects your data by encrypting it before it is stored on disk to B2 Cloud Storage. | backblaze.com | 2026-11-04 |
| SOC 2またはISO 27001 | あり Backblaze has achieved Service Organization Control (SOC) 2 Type 2 compliance by an independent third-party firm. | backblaze.com | 2026-11-04 |
| 稼働率SLA | 99.9% Backblaze agrees to meet or exceed a Service Level Objective (“SLO”) of 99.9% for the Monthly User Uptime Percentage. | backblaze.com | 2026-11-04 |
| 公開ステータスページ | 未確認 | — | |
| 創業 | 2007 Gleb Budman is a co-founder and has served as our chief executive officer since 2007, guiding the business from its inception | backblaze.com | 2026-11-04 |
| 本社所在地 | 未確認 | — | |
| 運営会社 | Backblaze, Inc. This Service Level Agreement ("SLA") is between Backblaze, Inc. ("Backblaze") and users of our services | backblaze.com | 2026-11-04 |