日本廠家已開始銷售Realtek主控的2.5 GbE網卡約合257元
近日一家日本公司已開始銷售使用Realtek主控的2.5 GbE網卡。該網卡適配器是半高PCIe 2.0 x1板,兼容目前絕大多數台式機。自然它的售價並不會向你預期的那麼便宜,價格為3980日元(含稅),約合257元人民幣。
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“Area Mr. Jack” 2.5 GbE LAN(SD-PE25GLAN-1L)網卡適配器是基於Realtek一年前發布的RTL8125主控的半高PCIe 2.0 x1板,機身尺寸為80mm * 44mm,非常的小巧。它的設計非常的簡潔,只有一個RJ-45端口,以及兩個狀態LED指示燈。
除了基於常規Cat5 / Cat6電纜的2.5 GbE(IEEE802.3bz 2.5G BASE-T)外,它還支持包括1 GbE及以下的協議。在系統兼容性方面,這款網絡適配器兼容Windows 7/8/8.1/10系統,但是尚不清楚是否兼容GNU/Linux系統。
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但是該卡有一個問題:它僅使用PCIe 2.0 x1插槽。它可以通過備用PCIe 2.0 x1插槽安裝到每個台式機中,這就意味著這最近十年來推出的台式機以及只有PCIe 2.0 x1的低端入門設備也可以安裝該網卡。作為對比,10 GbE網卡擁有PCIe 3.0 x4接口,而5 GbE網卡擁有PCIe 3.0 x1接口。