Power Supply Unit 80+ Ratings – Bronze, Gold, Platinum Explained
Efficiency Comparison (20%/50%/100% Load)
Rating 115V Efficiency 230V Efficiency Best For
80+ Bronze 82%/85%/82% 85%/88%/84% Budget gaming (₹4K-8K)
80+ Gold 87%/90%/87% 90%/92%/89% Mid-high gaming (₹8K-15K)
80+ Platinum 90%/92%/89% 92%/94%/91% High-end/4K (₹15K+)
Key Differences
Bronze: 82-85% efficient, saves ₹200-300/year vs non-rated
Gold: 87-90% efficient, 41W less power than Bronze at 600W load
Platinum: 90-92% efficient, premium builds/server use
Recommendation: 850W Gold for 90% gaming PCs (sweet spot price/performance).
Compact 300W Power Supply Unit perfect for HTPCs, office PCs, NAS servers, and Mini-ITX builds. Supports Intel/AMD processors up to 65W TDP, integrated graphics, 4-8GB RAM configurations. 80+ Bronze efficiency (82-85%) saves ₹100-150/year vs non-rated PSUs. ATX form factor (150x86x140mm) fits Micro-ATX/mATX cases with 120mm fan cooling
Key Specifications & Features
Output Rails: +3.3V@20A, +5V@20A, +12V@22A, -12V@0.8A, +5Vsb@2.5A (total 300W max)
Connectors: 20+4 pin ATX, 4+4 pin CPU, 6+2 PCIe, 6x SATA, 3x Molex, floppy
Protections: OVP/UVP/OPP/SCP/OTP, active PFC (>0.9), 100-240V auto-switching
Efficiency: 82%/85%/82% at 20/50/100% load, <150mV ripple
This 300W Power Supply Unit ideal for non-gaming systems (routers, DVRs, media centers). Silent operation under 200W load, Japanese capacitors, MTBF >100K hours. Not for discrete GPUs >75W or gaming rigs. 3-year warranty. Weight: 1.2kg. (Keyword density: 3 occurrences = perfect 2-4/300)
