Efficient PSU
Best Buy customers often prefer the following products when searching for Efficient PSU.
If you're looking for a power supply unit (PSU) that combines top-notch performance with exceptional energy efficiency, look no further than these efficient PSUs. Designed to provide reliable and stable power to your electronic devices, these PSUs are engineered with cutting-edge technology to optimize energy consumption without compromising on performance. Whether you're a gamer, a professional content creator, or simply someone who values efficiency, our range of efficient PSUs is sure to meet your power needs. Browse the top-ranked list of efficient PSUs below along with associated reviews and opinions.
CORSAIR - RMx Shift Series RM1200x 80 Plus Gold Fully Modular ATX Power Supply with Modular Side Interface - Black
Model: CP-9020254-NASKU: 6532108Top comment"Beastly PSU...Awesome PSU. Finally a quiet psu again. Replaced older one with hideous fan noise...Great PSU...Easy to cable manage and fits nicely in my case. Super efficient and silent"
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CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. RMx SHIFT PSUs use Japanese 105°C-rated electrolytic capacitors, for long life and reliability backed by a ten-year warranty. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side.Top comment"Beastly PSU...Awesome PSU. Finally a quiet psu again. Replaced older one with hideous fan noise...Great PSU...Easy to cable manage and fits nicely in my case. Super efficient and silent"
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CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. RMx SHIFT PSUs use Japanese 105°C-rated electrolytic capacitors, for long life and reliability backed by a ten-year warranty. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side.See all Power SuppliesYour price for this item is $219.99The comparable value price is $254.99Select pickup
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MSI - MAG A650GLS PCIE5 650W ATX 3.1 & PCIe 5.1 Ready Fully modular 80 Plus Gold Energy Efficiency Gaming Power Supply - Black
Model: MAG A650GLS PCIE5SKU: 6645321See all Power SuppliesYour price for this item is $79.99The comparable value price is $109.99Select pickup
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MSI - MAG A750GLS PCIE5 750W ATX 3.1 & PCIe 5.1 Ready Fully modular 80 Plus Gold Energy Efficiency Gaming Power Supply - Black
Model: MAG A750GLS PCIE5SKU: 6645320See all Power SuppliesYour price for this item is $99.99The comparable value price is $129.99Select pickup
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MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black
Model: MPG A1250GS PCIE5SKU: 6629566Top comment"One of the best psu....It cost a little more but I highly recommend this psu if you need it....Definitely recommend it if you're looking for a reliable PSU."
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MPG A1250GS PCIE5 Featuring ATX 3.1 and PCIe 5.1 support with two 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.Top comment"One of the best psu....It cost a little more but I highly recommend this psu if you need it....Definitely recommend it if you're looking for a reliable PSU."
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MPG A1250GS PCIE5 Featuring ATX 3.1 and PCIe 5.1 support with two 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.See all Power SuppliesYour price for this item is $179.99The comparable value price is $239.99Select pickup
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MSI - MAG A750BE 750W Non-Modular 80 Plus Bronze Power Supply - Black
Model: MAG A750BESKU: 6619435Top comment"The MSI 750W power supply is reliable and efficient, offering stable power delivery for high-performance systems. "
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The MSI MAG A750BE delivers reliable power and efficiency, embodying the resilience of the MAG series. With 80 PLUS Bronze certification, it ensures lower energy consumption and stable performance. Its non-modular design offers a straightforward setup, while flat cables improve airflow and organization. A fluid dynamic bearing fan provides quiet cooling, and DC to DC with Full Bridge technology ensures stable voltage. The single +12V rail supports high-performance GPUs and CPUs with multiple PCIe and CPU connectors. With built-in protections for stability, the MAG A750BE is a dependable and efficient choice for gamers.See all Power SuppliesTop comment"The MSI 750W power supply is reliable and efficient, offering stable power delivery for high-performance systems. "
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The MSI MAG A750BE delivers reliable power and efficiency, embodying the resilience of the MAG series. With 80 PLUS Bronze certification, it ensures lower energy consumption and stable performance. Its non-modular design offers a straightforward setup, while flat cables improve airflow and organization. A fluid dynamic bearing fan provides quiet cooling, and DC to DC with Full Bridge technology ensures stable voltage. The single +12V rail supports high-performance GPUs and CPUs with multiple PCIe and CPU connectors. With built-in protections for stability, the MAG A750BE is a dependable and efficient choice for gamers.
Thermaltake - Smart W3 700W 80Plus Certified ATX v3.1 Spec Power Supply - Black
Model: PS-SPW-0700NNFAWU-1SKU: 6626436See all Power SuppliesYour price for this item is $51.99The comparable value price is $64.99Select pickup
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Thermaltake - Smart W3 700W 80Plus Certified ATX v3.1 Spec Power Supply - Snow
Model: PS-SPW-0700NNFAWU-WSKU: 6626418
Thermaltake - Smart W3 500W 80Plus Certified ATX v3.1 Spec Power Supply - Black
Model: PS-SPW-0500NNFAWU-1SKU: 6626430See all Power SuppliesYour price for this item is $41.99The comparable value price is $49.99Select pickup
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MSI - MAG A650BE 650W Non-Modular 80 Plus Bronze Power Supply - Black
Model: MAG A650BESKU: 6620062Top comment"Best budget psu...I purchased this psu for my budget build and it's working perfectly with almost zero noice"
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The MSI MAG A650BE delivers reliable power and efficiency, embodying the resilience of the MAG series. With 80 PLUS Bronze certification, it ensures lower energy consumption and stable performance. Its non-modular design provides a straightforward, hassle-free setup, while flat cables improve airflow and organization. A fluid dynamic bearing fan ensures quiet cooling, and DC to DC with Full Bridge technology maintains stable voltage. The single +12V rail supports high-performance GPUs and CPUs with multiple PCIe and CPU connectors. With built-in protections for stability, the MAG A650BE is a solid and efficient choice for gamers.See all Power SuppliesTop comment"Best budget psu...I purchased this psu for my budget build and it's working perfectly with almost zero noice"
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The MSI MAG A650BE delivers reliable power and efficiency, embodying the resilience of the MAG series. With 80 PLUS Bronze certification, it ensures lower energy consumption and stable performance. Its non-modular design provides a straightforward, hassle-free setup, while flat cables improve airflow and organization. A fluid dynamic bearing fan ensures quiet cooling, and DC to DC with Full Bridge technology maintains stable voltage. The single +12V rail supports high-performance GPUs and CPUs with multiple PCIe and CPU connectors. With built-in protections for stability, the MAG A650BE is a solid and efficient choice for gamers.
Thermaltake - Smart W3 600W 80Plus Certified ATX v3.1 Spec Power Supply - Black
Model: PS-SPW-0600NNFAWU-1SKU: 6626427Top comment"Good psu...Used in a recent MATX build and was worried it may not have enough cables. Honestly a good psu for not being modular."
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The Thermaltake Smart W3 600W Power Supply is designed to deliver reliable and efficient performance for your system. Built to the latest ATX 3.1 specifications, this non-modular PSU ensures stable power delivery for modern components, making it an excellent choice for both new builds and upgrades. With 80 PLUS certification, it guarantees energy efficiency, helping to lower electricity costs while reducing heat output. The Smart W3 600W is backed by a reassuring 5-year warranty, offering long-term reliability and peace of mind. Whether you're assembling a gaming rig or a workstation, Thermaltake’s trusted quality powers your setup with confidence.Top comment"Good psu...Used in a recent MATX build and was worried it may not have enough cables. Honestly a good psu for not being modular."
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The Thermaltake Smart W3 600W Power Supply is designed to deliver reliable and efficient performance for your system. Built to the latest ATX 3.1 specifications, this non-modular PSU ensures stable power delivery for modern components, making it an excellent choice for both new builds and upgrades. With 80 PLUS certification, it guarantees energy efficiency, helping to lower electricity costs while reducing heat output. The Smart W3 600W is backed by a reassuring 5-year warranty, offering long-term reliability and peace of mind. Whether you're assembling a gaming rig or a workstation, Thermaltake’s trusted quality powers your setup with confidence.See all Power SuppliesYour price for this item is $42.99The comparable value price is $54.99Select pickup
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