A collection of all 300watt to 450watt power supplies.
For energy efficient PSUs have a look at their 80 PLUS rating.
As a rough guide a 450watt PSU is sufficient for a AMD Radeon R9 270 / NVIDIA GeForce GTX 750 Ti
The MWE delivers everything you expect from top tier power supply at a budget price. This unit also comes with a circuit design that will protect your system at all times. The 120mm fan keeps your system cool with little noise. This tough little box is the perfect solution for all your power needs.R 649
Corsair CX430 (CP-9020046-EU), 430w (12v:384w), EPS12V, ATX12V V2.3, 80 PLUS Bronze Certified for energy saving, with Active-PFC, 4x SATA, 3x 4pin Molex, 1x 8pin (6+2) PCI-E Power Connectors, 24pin (4pin detachable), 120mm Thermal Controlled Fan, 3 Years Warranty, no power cordR 709
High Quality Japanese Main Capacitor High-quality Japanese capacitor produces supreme stability and performance with low impedance characteristics. This delivers stable operation over extended periods of time, as well as excellent reliability. Elongated Cables The longer cables enable enthusiasts and power users to properly route the cables in...R 749
Corsair CX CP-9020120 - 450wFEATURES80 Plus Bronze: Runs cooler and uses less power than less efficient power supplies 5-year warranty: Backed by Corsair’s legendary technical support and customer service Black housing, cable sleeving and connectors: Give your build the high-end look without breaking the bank Thermally controlled 120mm fan:...R 1,019
Corsair CX 450M (CP-9020101-EU), 450w (12v: 449w), EPS 12V 2.92, ATX 12V V2.3, 80 PLUS Bronze Certified, Active-PFC, 4x Modular Cable Management, 24pin (4pin Detachable), 2x 8pin (2+6) PCI-Express Power, 4x SATA, 3x 4pin Molex, 1x 8pin (4+4) CPU, 120mm Thermal Controlled Fan, 5 Years Warranty, No Power CordR 1,079
Cooler Master Vanguard-S (RS450-AMAAG1), 450w (12v:432w), EPS12V V2.91, SSI and ATX 12V V2.3, 4x Modular Cable Management, 92% effiency 80 PLUS Gold Certification, active PFC, 2x 8pin (6+2) PCI-Express power connectors, 6x SATA, 3x 4pin molex, 135mm fan, with OVP, UVP, OPP, OTP, SCP, 5 Years WarrantyR 1,299