1. はじめに
The Fractal Design Define Mini C is a compact Micro ATX computer case engineered for high airflow and silent computing. It integrates signature Define Series traits, including an iconic front panel design, dense sound dampening material, and modular technology. This manual provides essential information for setting up, operating, and maintaining your Define Mini C case.

図1.1: 前面と側面 view of the Fractal Design Define Mini C case, showcasing its minimalist design and ventilation.
2. 主な特徴
- サウンドDampエニング: Features Define Series sound dampening with ModuVent technology for quiet operation in a compact Micro ATX form factor.
- 最適化された空気の流れ: Designed for high airflow and silent computing, ensuring efficient cooling.
- Industrial-Grade Insulation: Side and front panels are lined with industrial-grade sound dampening material to minimize noise.
- 柔軟なストレージ: Offers versatile storage options with space for up to 5 drives (2x 3.5"/2.5" and 3x 2.5").
- PCI 拡張スロット: Equipped with 5 PCI expansion slots, supporting powerful dual GPU setups.
- 付属ファン: Comes with two Fractal Design Dynamic X2 GP-12 120mm silent fans for immediate cooling.
- PSUシュラウド: Integrated PSU shroud for a clean interior and improved airflow.
3. パッケージ内容
Upon opening the package, please verify that all components are present and undamaged. The standard package for the Define Mini C includes:
- Fractal Design Define Mini C Micro ATX Computer Case
- 2x Fractal Design Dynamic X2 GP-12 120mm Fans (pre-installed)
- アクセサリボックス(ネジ、結束バンド、その他の取り付け用ハードウェアを含む)
- ユーザーマニュアル(このドキュメント)

図3.1:以上view of the case and its primary removable components, including drive trays and dust filters.
4. セットアップとインストール
This section guides you through the process of installing your computer components into the Define Mini C case.
4.1. ケースの準備
- ケースを安定した平らな面に置きます。
- Remove the side panels by unscrewing the captive thumbscrews at the rear and sliding the panels backward.
- Familiarize yourself with the interior layout, including the motherboard tray, PSU shroud, and drive bays.

Figure 4.1: Interior layout of the Define Mini C, highlighting the spacious design for component installation.
4.2. 電源ユニット(PSU)の取り付け
- Mount your PSU to the bracket at the rear of the case, ensuring the fan faces downwards (if the case is on feet) or upwards (if preferred for internal airflow).
- Slide the PSU into the dedicated compartment under the shroud from the rear.
- Secure the PSU with screws from the outside.
4.3. マザーボードの取り付け
- I/O シールドをケースの背面開口部に取り付けます。
- Align your Micro ATX motherboard with the pre-installed standoffs.
- 付属のネジでマザーボードを固定します。

Figure 4.2: Rear panel of the Define Mini C, illustrating the motherboard I/O cutout and PCI expansion slots.
4.4. ドライブのインストール
The Define Mini C supports various drive configurations:
- 3.5インチ/2.5インチドライブ: Two universal drive trays are located under the PSU shroud. Pull out the trays, mount your drives, and slide them back in.
- 2.5インチSSD: Three dedicated 2.5" SSD mounts are located behind the motherboard tray. Secure SSDs to these mounts with screws.
4.5. グラフィックカードと拡張カード
- ケースの背面から必要な PCI スロット カバーを取り外します。
- グラフィック カードまたはその他の拡張カードをマザーボードの PCI-E スロットに挿入します。
- カードをネジで固定します。
4.6.ケーブル管理
The Define Mini C offers ample space behind the motherboard tray and includes velcro straps for efficient cable routing. Route all power and data cables neatly to ensure optimal airflow and a clean build.

図4.3: 後部内装 view, illustrating the cable management channels and SSD mounting points.
4.7. フロントI/O接続
Connect the front panel cables (USB 3.0, audio, power switch, reset switch, HDD LED) to the corresponding headers on your motherboard. Refer to your motherboard manual for exact pinouts.

Figure 4.4: Top panel with front I/O ports, including USB 3.0 and audio jacks.
5. ケースの操作
Once all components are installed and secured, replace the side panels. The Define Mini C is designed for optimal airflow and quiet operation. Ensure proper fan orientation for intake and exhaust to maintain low temperatures.
The ModuVent technology on the top panel allows you to choose between a solid, sound-dampened panel for maximum silence or a ventilated panel for enhanced airflow, depending on your cooling needs.
6. メンテナンス
Regular maintenance ensures the longevity and optimal performance of your Define Mini C case.
6.1. ダストフィルターのクリーニング
The Define Mini C features easily removable dust filters at the front and bottom. It is recommended to clean these filters every 1-3 months, or more frequently in dusty environments, to maintain optimal airflow and prevent dust buildup inside the case.
- フロントフィルター: Gently pull the front panel from the bottom to detach it, then remove the filter for cleaning.
- 下部フィルター: Slide out the filter from the front of the case.
- Clean filters using compressed air or by rinsing with water (ensure they are completely dry before reinstallation).
6.2.一般的なクリーニング
ケースの外側を柔らかくて乾いた布で拭いてください。amp 布で拭いてください。仕上げを傷める可能性のある強い化学薬品や研磨剤の使用は避けてください。
7。 トラブルシューティング
This section addresses common issues you might encounter during or after building your system.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| システムの電源が入らない。 | 電源接続が緩んでいる、PSU に障害がある、フロント パネルの配線が正しくない。 | Check all power cables (24-pin, CPU, GPU). Ensure PSU switch is ON. Verify front panel power switch connection to motherboard. |
| ファンの騒音が大きすぎる。 | Dust buildup, fan obstruction, fan speed settings. | Clean dust filters and fans. Ensure no cables obstruct fan blades. Adjust fan curves in BIOS/UEFI or software. |
| コンポーネントの温度が高くなります。 | Poor airflow, dust buildup, incorrect fan orientation. | Ensure fans are oriented correctly (front intake, rear/top exhaust). Clean dust filters. Consider adding more fans or upgrading cooling solutions. |
| USB ports not working. | Front panel USB cable not connected or incorrectly connected. | Verify the USB 3.0 header cable is securely connected to the motherboard. |
For more complex issues, please consult your component manuals or contact Fractal Design support.
8. 仕様
| 特徴 | 仕様 |
|---|---|
| モデル名 | ミニ C を定義する |
| モデル番号 | FD-CA-DEF-MINI-C-BK |
| ケースタイプ | Mini Tower (Micro ATX) |
| マザーボードの互換性 | Micro ATX、Mini ITX |
| 寸法(長さx幅x高さ) | 19 x 11.4 x 19.7 インチ (482.6 x 289.6 x 500.4 mm) |
| アイテム重量 | 17.8ポンド(8.07kg) |
| 材料 | Steel, Plastic, Sound Damp材料の加工 |
| ドライブベイ | 2x 3.5"/2.5" (universal), 3x 2.5" (dedicated SSD) |
| 拡張スロット | 5 |
| フロントI/O | 2x USB 3.0, Audio In/Out, Power Button with LED, Reset Button |
| 付属ファン | 2x Fractal Design Dynamic X2 GP-12 120mm |
| 冷却方法 | Air, Water (Radiator support: Front up to 280mm, Top up to 240mm, Rear 120mm) |
| ダストフィルター | Front, Bottom, Top (optional ModuVent) |
9. 保証とサポート
Fractal Design products are manufactured to the highest quality standards. For warranty information and technical support, please visit the official Fractal Design webサイトをご覧いただくか、カスタマー サービスに直接お問い合わせください。
- 正式 Webサイト: www.フラクタルデザイン.com
- サポートページ: 公式のサポートセクションを参照してください webFAQ、トラブルシューティング ガイド、および連絡先オプションに関するサイト。
保証請求のために購入証明書を保管してください。





