[請益] 自組NAS時的電源供應問題
各位鄉民好
小的最近想試著組一台4 Bay的NAS放家裡(自組爽,不考慮買組好的)
研究了一段時間後大致規格都已確定
就差在因為耗電低時一般ATX PSU的轉換效率很差且較吵
所以開始看起了變壓器+DC-ATX模組
目前估了一下需要的瓦數如下
CPU+Board: 10W (ASRock J4205-ITX)
RAM: 10W (Kingstone DDR3 4G x 2)
Case+FAN: 6W (Fractal Design Node 304)
HDD: 12Vx0.65A=7.8W + 5Vx0.5A=2.5W,共10.3W,考量啟動時加一倍,抓21W,四顆所以
84W (HGST 4TB 7200rpm NAS)
PCIE 2.0 1x轉M2+SATA孔:12W (SC330 M.2 + SATA)
M2 SSD:3.3Vx1A=3.3W,考量啟動時加一倍,抓7W(當系統碟)
所以總共84W-129W(看要不要算硬碟啟動)
覺得找160W的DC-ATX模組感覺應該很夠了
但我發現目前的DC-ATX模組最多都只有二個SATA和一個大4pin
我不確定如果把大4pin線先變二個SATA
然後再把一個SATA用一分二SATA線變成兩個這樣會不會有問題
(等同最後有五條SATA電源線插在DC-ATX上)
還是說有什麼更好的解法呢?
先謝謝各位大大們了<(__ __)>
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