PCIe | PCIe

  • PCIe是什麼?
    PCI Express簡稱PCIe或PCI-e,是電腦主機板常見的匯流排規格,用來將處理器和顯示卡、硬碟、SSD及網路卡等其他關鍵零組件互相連結,提供高速的資料傳輸功能。由眾多代表性企業所組成的周邊元件互連特別興趣小組(PCI-SIG),負責訂定最新的PCIe規格,確保科技業者研發與製造的產品都能彼此相容、互相操作與溝通。

  • 為何需要?
    如果處理器和加速卡之間的連接介面資料傳輸功能太慢,儘管運算效能再強,也無法充分發揮;因此,PCIe的資料吞吐量要夠大,提供快速的資料傳輸,實體尺寸越小越好,才能安裝在小尺寸伺服器產品的主機板上。其他能確保系統正常運作的屬性也很重要,包括熱插拔,和能偵測系統錯誤、自動回報問題的智慧設計。最新一代PCIe是PCIe Gen 4.0,支援PCIe Gen 4.0的伺服器產品和解決方案能處理更具挑戰性的運算任務。

  • 技嘉的特色
    技嘉科技伺服器產品採用最新的處理器平台,並且支援PCIe Gen 4.0,頻寬與傳輸速率分別為64GB/s與16GT/s,每通道提供 2GB/s的頻寬,相較於PCIe 3.0的1GB/s頻寬和8GT/s傳輸速率,等於是提供兩倍快的頻寬和傳輸速率。因此,處理器和加速卡、儲存裝置、和高速傳輸網卡等關鍵零組件之間的資料傳輸,可藉由加倍的頻寬提供更高效能,支援高效能運算(HPC)平行運算,用來發展仰賴大數據深度學習異質運算的各種創新科技。

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