Mercusys MS105GS-M2 5-port 2.5G Multi-Gigabit Desktop Switch, 5× 2.5G RJ45 Ports
1 × $77
Antec Skeleton 240 ARGB, All-in-One Liquid Cooler, 240mm, PWM ARGB fans, 2000RPM, 72.29CFM, Intel/AMD support, ≤32dB, aluminum radiator, 3Y warranty
1 × $98
TP-Link ISM311LS & ISM311LM 1000Base-LX & 1000Base-SX SMF Industrial SFP Module
1 × $35 Subtotal: $210