RGeek RGEEK-300L is a compact 12 V DC power supply for small desktop or server systems. It delivers multiple rails - +3.3 V, +5 VSB, +5 V, +12 V and -12 V - and uses active PFC. The unit features a 20+4‑pin main connector and a 4‑pin CPU power plug, and it is fully modular so cables can be attached as needed. CE certified and shipped in packaging, it is designed for compact PC installations under the RGeek brand.