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11.11 最強折扣反應熱烈!
優惠延長一週!最後倒數,立即行動!
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11.11 最強折扣反應熱烈!
優惠延長一週!最後倒數,立即行動!
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什麼是 SAS 與 SATA?

SAS(串行連接SCSI)和SATA(串行ATA)是兩種常見的計算機數據存儲接口類型,它們既有相似之處,也有不同之處。SAS 是企業級服務器中使用的傳統硬盤接口,而 SATA 是台式計算機等消費存儲解決方案中常用的直連存儲形式。

為什麼有人會選擇 SAS 而不是 SATA?

SAS 和 SATA 之間的主要區別在於速度。SAS 驅動器的傳輸速度比 SATA 驅動器快得多,高達 6Gb/s,而 SATA 驅動器的最大速度為 3Gb/s。這意味著,如果您需要數據在服務器或系統之間快速移動,您應該使用支持 SAS 的磁盤,而不是使用 SATA 橋接器的傳統硬盤。

兩者之間的另一個區別在於使用 SAS 進行熱插拔,無需關閉服務器電源即可更換設備,這使得它們非常適合需要始終保持數據冗餘的環境,例如運行 24/7 運營的企業。另一方面,該功能在 SATA 設備上不可用,因此任何升級都必須手動完成,並且系統必須完全關閉 – 對於那些想要快速訪問數據的人來說,這絕對不是理想的情況。

什麼類型的硬件使用 SAS,什麼類型的硬件使用 SATA?

當談到計算機硬件時,大多數人很可能聽說過 RAID 陣列或硬盤驅動器,這些驅動器被討論為支持“SAS”或“SATA”。這僅指設備本身使用的接口類型;較舊的服務器級計算機可能安裝有“SCSI”組件,而新型號可能有“SAS”或“SATA”連接,具體取決於其預期用途和規格要求。簡單地說; SAS 技術往往用於企業級服務器,而消費級 PC 通常配備 SATA 連接,因為與 SAS 連接相比,其成本較低,但速度較慢。

使用其中一種比另一種有什麼優勢嗎?

優勢很大程度上取決於您計劃在組織或家庭設置中採用哪種使用場景;如果您需要近乎即時的訪問並需要高吞吐量,那麼選擇“SAS”解決方案可能更合適,因為它的數據速度明顯更高(標準“SATA”連接為 6GBps 與 3GBps)。然而,如果預算限制意味著支出無法延伸這麼遠,那麼選擇價格更適中的產品可能是合理的——在這種情況下,使用傳統的“SATA”硬盤可能更有意義,因為它的成本要低得多,同時在處理網頁瀏覽或遊戲等日常工作負載時幾乎同樣適合。

這兩種格式是否比其他格式提供更好的可靠性?

兩種格式均可提供可靠的性能;但是哪一個在您的特定環境中提供更好的長期耐用性在很大程度上取決於多種因素,例如它們的訪問頻率(它們暴露於多少IOPS)以及其他太多的因素,今天在此無法一一提及。儘管如此;一般而言,如果不發生正常磨損,大多數使用任一接口的商業級硬盤在較長時間內都應表現得同樣好- 監控軟件會主動跟踪這些情況,以便在必要時觸發預防性維護例程,以防止硬件過早損壞故障會意外發生,因此無論外形要求如何,都能日復一日地提供最佳性能。

在這些格式之間進行選擇時,我應該記住什麼注意事項嗎?

在這些格式之間進行選擇時,在做出最終決定之前應考慮幾個關鍵因素: 成本 - 您計劃預先花費多少錢來購買高質量設備?可靠性 – 由於高峰時段頻繁出現 OPS 峰值,從而對 HDD 壽命產生不利影響,因此您遭受性能水平降低的可能性有多大?兼容性 – 您的操作系統是否可以支持本身配備 SCSI/SAS 接口的設備,而無需額外的努力。

如果我的計算機只有一個支持任一格式的端口,我需要考慮什麼嗎?

如果您的計算機只有一個支持任一格式的端口,那麼您需要考慮這台計算機的主要使用場景,以便您可以正確決定哪種格式最適合您的需求,並確保您擁有足夠的帶寬來驅動所有相關設備,並擁有優化的網絡架構,以便您實現目標。

SAS 和 SATA 的硬盤大小如何比較?

一般來說,支持 SAS 的硬盤往往比 SATA 硬盤稍大。這主要是因為它們配備了更強大的電機和更多數量的盤片和讀/寫頭,以實現更快的數據傳輸速度。然而,這確實意味著用戶必須確保他們的服務器級設備有足夠的空間來容納兩個或更多 SAS 驅動器,這可能並不總是可行,具體取決於服務器的設計。另一方面; SATA 驅動器通常提供更大的存儲容量(2TB 與 1TB),同時仍然可以選擇價格便宜得多 - 如果在做出購買決策時需要考慮成本因素,那麼這一優勢可能是無價的。

SAS 在某些環境中是否比 SATA 工作得更好?

對於視頻編輯或數據倉庫操作等某些應用,SAS 絕對優於 SATA,因為它能夠提供更快的訪問時間和傳輸速率。此外; 由於在快速更換驅動器時沒有限制,使用SAS 鏈路構建的硬件RAID 陣列更適合企業級企業,其中冗餘比在舊SATA 互連鏈路上運行的速度較慢但便宜得多的消費級同類產品更重要相反也是。

我應該為我的遊戲電腦選擇哪種類型的驅動器 - SAS 還是SATA?

對於大多數預算有限的遊戲 PC而言,選擇使用 PCIe 或 Sata 接口的SSD是有意義的,因為它們以合理的價格提供足夠的速度。但如果預算不是問題,那麼選擇頂級 NV。

我可以在不更換整個系統的情況下從 SATA 升級到 SAS 嗎?

選擇 SAS 還是 SATA 取決於您的具體需求和預算。根據您的應用程序的要求,這兩種接口都具有獨特的優勢。在做出決定時,考慮速度、可靠性、成本和兼容性等因素非常重要。

SAS 與 SATA 的物理尺寸如何影響它們與設備的兼容性?

SAS 驅動器通常比 SATA 驅動器大,這使得它們與筆記本電腦或平板電腦等較小的設備不兼容。此外,某些主板可能沒有足夠的空間來容納更大的 SAS 驅動器。

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