RMB 556
H68K-PRO 4G 32G MT7921
https://detail.tmall.com/item.htm?abbucket=5&id=861368651309

RMB 129
https://www.cudy.com/cdn/shop/files/GS108D_3.0_Datasheet.pdf?v=3948673627789851803

RMB 59
【5 口千兆】钢壳 更强散热 TL-SG1005D
https://detail.tmall.com/item.htm?abbucket=5&id=726745803619

556 + 59 = 615