<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">記憶體模組是電腦和伺服器系統中至關重要的元件。隨著運算需求的增長，記憶體技術也在不斷演進。本文將介紹DDR5<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">記憶體的三大主要類型：UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">（Unbuffered DIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">）、RDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">（Registered DIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">）和即將成為消費型桌上型DDR5<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">記憶體新標準的CUDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">（Clocked Unbuffered DIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">），並說明它們的核心特性、應用場景及在AI<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">時代中的重要性。

UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">是大多數桌面電腦和消費級PC<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">的首選記憶體模組，適合家用和中小型企業應用。由於缺少額外的緩衝元件，UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">具備較低的延遲，適合遊戲、圖形處理和日常應用程式，使其成為一個經濟實惠且高效的選擇，長期以來一直主導著家庭和辦公室電腦市場。隨著技術的進步，雖然在伺服器和高端應用中逐漸被RDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">取代，但UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">依然是消費級產品中的主要記憶體模組之一。

UDIMM：消費級市場的標準選擇

RDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">主要應用於伺服器、資料中心和高效能工作站，其最大特色是配備了暫存時脈驅動器（Register<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">），這讓記憶體和CPU<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">之間的數據傳輸更加穩定。這種設計不僅減少了CPU<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">的負擔，還顯著提升了系統的穩定性，因此在需要長時間穩定運行的大型應用中非常受歡迎。由於設計上的不同，RDIMM <span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">和 UDIMM <span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">不能在同一塊主板上互相通用。若主板專為 RDIMM <span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">設計，將無法相容使用 UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">，反之亦然。因此，在選擇記憶體模組之前，了解主板對記憶體的支援規格非常重要。
<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">此外，RDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">也有專為超頻需求設計的超頻 RDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">，支持Intel XMP<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">或AMD EXPO<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">技術，能大幅提高運算性能，特別適合高效能的工作站應用，如3D<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">建模、影片編輯和AI<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">生成等。

RDIMM：穩定性與性能的雙重保證

<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">隨著運算需求日益增加，傳統的UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">逐漸面臨性能瓶頸，想往上飆速勢必得強化現有架構，為解決這一問題，新一代的CUDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">具備CKD<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">（Clock Driver<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">）元件，能有效緩衝和分配訊號，顯著提升記憶體效能和穩定性。這讓DDR5<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">記憶體能輕鬆突破現有速度限制，達到6,400MT/s<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">甚至更高的速度，超頻後更可達到9,000MT/s<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">，預計為下一代DDR5<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">記憶體立下新的速度里程碑。

CUDIMM：DDR5記憶體時代的新標準

CUDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">專為應對AI<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">運算、高性能數據處理和機器學習訓練設計，能在極高負載下提供強大的穩定性和性能，是未來高效能運算領域的關鍵技術。
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<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">透過解析UDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">、RDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">和CUDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">的特性，我們不難看出記憶體技術將朝著更高速、更穩定的方向發展。隨著AI<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">和高效能運算需求的崛起，CUDIMM<span style="font-family: '微軟正黑體',sans-serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">勢必成為下一個記憶體市場的主導者。

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記憶體模組是電腦和伺服器系統中至關重要的元件。隨著運算需求的增長，記憶體技術也在不斷演進。本文將介紹DDR5記憶體的三大主要類型：UDIMM（Unbuffered DIMM）、RDIMM（Registered DIMM）和即將成為消費型桌上型DDR5記憶體新標準的CUDIMM（Clocked Unbuffered DIMM），並說明它們的核心特性、應用場景及在AI時代中的重要性。