有 M.2 SSD 為何還有人買 SATA SSD - 儲存設備
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By James
at 2020-08-18T10:07
at 2020-08-18T10:07
Table of Contents
我最近想買SSD
查了一下,分2種
1. SATA 3 介面 SSD , 下載速度 極限 500MB/sec , 上傳速度 極限 500MB/sec
2. NVME M.2 PCI-E 介面 SSD
(1) PCIe Gen 2 x2 通道最高可達上傳下載 1,000MB/s
(2) PCIe Gen 2 x4 通道最高可達上傳下載 2,000MB/s
(3) PCIe Gen 3 x4 通道最高可達上傳下載 4,000MB/s
簡單講
1. NVME M.2 PCI-E 速度是 SATA 3 的 2~8 倍
2. 重點,價格
(1)SATA 3 512 MB 大約 1900~2000元
(2) NVME M.2 PCI-E PCIe Gen 3 x4 512 MB
讀取2200MB/s;寫入2000MB/s 2000元
同容量 NVME M.2 PCI-E 價格大約是 SATA3 的 1.1倍 (幾乎價格一樣)
但速度是 4倍以上
價格一樣,速度差4倍,為何還有人買 SATA 介面的 SSD ?
我最近想買 SSD , 請幫忙解惑 , 也好做決定
--
查了一下,分2種
1. SATA 3 介面 SSD , 下載速度 極限 500MB/sec , 上傳速度 極限 500MB/sec
2. NVME M.2 PCI-E 介面 SSD
(1) PCIe Gen 2 x2 通道最高可達上傳下載 1,000MB/s
(2) PCIe Gen 2 x4 通道最高可達上傳下載 2,000MB/s
(3) PCIe Gen 3 x4 通道最高可達上傳下載 4,000MB/s
簡單講
1. NVME M.2 PCI-E 速度是 SATA 3 的 2~8 倍
2. 重點,價格
(1)SATA 3 512 MB 大約 1900~2000元
(2) NVME M.2 PCI-E PCIe Gen 3 x4 512 MB
讀取2200MB/s;寫入2000MB/s 2000元
同容量 NVME M.2 PCI-E 價格大約是 SATA3 的 1.1倍 (幾乎價格一樣)
但速度是 4倍以上
價格一樣,速度差4倍,為何還有人買 SATA 介面的 SSD ?
我最近想買 SSD , 請幫忙解惑 , 也好做決定
--
Tags:
儲存設備
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By Erin
at 2020-08-14T16:09
at 2020-08-14T16:09