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PC Power Supply (PSU) Wattage Calculator

Configure your CPU, GPU, and system hardware to calculate real-time power draw and discover the ideal recommended PSU wattage.

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Core Processing Units
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Intel Intel Core i9-14900K
253W check
Intel Intel Core i7-14700K
253W check
Intel Intel Core i5-14600K
181W check
Intel Intel Core i9-13900K
253W check
Intel Intel Core i7-13700K
253W check
Intel Intel Core i5-13600K
181W check
Intel Intel Core i5-13400F
148W check
AMD AMD Ryzen 9 7950X3D
162W check
AMD AMD Ryzen 9 7950X
230W check
AMD AMD Ryzen 9 7900X
230W check
AMD AMD Ryzen 7 7800X3D
120W check
AMD AMD Ryzen 7 7700X
142W check
AMD AMD Ryzen 5 7600X
142W check
AMD AMD Ryzen 5 7600
88W check
AMD AMD Ryzen 7 5800X3D
105W check
AMD AMD Ryzen 5 5600X
65W check
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NVIDIA NVIDIA GeForce RTX 4090
450W check
NVIDIA NVIDIA GeForce RTX 4080 SUPER
320W check
NVIDIA NVIDIA GeForce RTX 4080
320W check
NVIDIA NVIDIA GeForce RTX 4070 Ti SUPER
285W check
NVIDIA NVIDIA GeForce RTX 4070 Ti
285W check
NVIDIA NVIDIA GeForce RTX 4070 SUPER
220W check
NVIDIA NVIDIA GeForce RTX 4070
200W check
NVIDIA NVIDIA GeForce RTX 4060 Ti
160W check
NVIDIA NVIDIA GeForce RTX 4060
115W check
NVIDIA NVIDIA GeForce RTX 3090 Ti
450W check
NVIDIA NVIDIA GeForce RTX 3090
350W check
NVIDIA NVIDIA GeForce RTX 3080
320W check
NVIDIA NVIDIA GeForce RTX 3070
220W check
NVIDIA NVIDIA GeForce RTX 3060
170W check
AMD AMD Radeon RX 7900 XTX
355W check
AMD AMD Radeon RX 7900 XT
315W check
AMD AMD Radeon RX 7800 XT
263W check
AMD AMD Radeon RX 7700 XT
245W check
AMD AMD Radeon RX 7600 XT
190W check
AMD AMD Radeon RX 7600
165W check
AMD AMD Radeon RX 6950 XT
335W check
AMD AMD Radeon RX 6800 XT
300W check
AMD AMD Radeon RX 6700 XT
230W check
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hard_drive
Memory & Storage Drives
RAM Sticks 4W per stick
M.2 NVMe SSD 6W per drive
SATA 2.5" SSD 3W per drive
3.5" HDD 10W per drive
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Cooling & System Fans
Case Fans (120/140mm)
~3W per chassis fan
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Why we calculate a 25% safety overhead: Modern gaming CPUs and GPUs experience sub-millisecond transient power spikes up to 1.5× their rated TDP. Adding a 25% buffer prevents unexpected safety trips, suppresses coil whine, and keeps your PSU operating within its highest 80 PLUS efficiency curve (50% to 70% load).
Power Analysis
Live Calculating
Estimated System Load
0 W
0W 400W 800W 1200W+
verified Recommended PSU Capacity
0 W

Engineered with +25% safety headroom for peak system stability and thermal longevity.

Power Consumption Breakdown
Processor (CPU) 0 W
Graphics Card (GPU) 0 W
Motherboard 50 W
Memory & Storage 14 W
Fans & Cooling 12 W
check_circle Efficiency Tier: 80 PLUS Gold Recommended
check_circle Standard: ATX 3.0 / PCIe 5.0 (12VHPWR)
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