High Efficiency Computer Power Supplies

High Efficiency Computer Power Supplies are essential for building reliable, energy-conscious systems that deliver consistent performance. Ideal for both professionals and enthusiasts, these power supplies... support demanding workflows and help maintain stable operation for a wide range of computing tasks. Explore options designed to optimize your setup and keep your equipment running smoothly with minimal energy waste. Find the perfect High Efficiency Computer Power Supply to enhance your workstation or creative environment.
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Lian-Li EG0850 850W 80+ Platinum Certified Fully Modular ATX Power Supply Unit

Lian-Li EG0850 850W 80+ Platinum Certified Fully Modular ATX Power Supply Unit

SKU: LIEG0850BK
(1)

DESCRIPTION

A high-performance, fully modular power supply unit with 850W capacity and 80+ Platinum certification.

$151.99
$159.99 Save: $8.00 (5%)
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A high-performance, fully modular power supply unit with 850W capacity and 80+ Platinum certification.
MSI MAG A650GL 650W 80+ Gold Certified Modular ATX Power Supply Unit

MSI MAG A650GL 650W 80+ Gold Certified Modular ATX Power Supply Unit

SKU: MSIMAGA650GL

DESCRIPTION

A compact, gold-certified power supply unit with flat cables and multiple protection mechanisms for efficient and safe performance.

$99.00
KEY FEATURES
  • Brand: msi

DESCRIPTION

A compact, gold-certified power supply unit with flat cables and multiple protection mechanisms for efficient and safe performance.
NZXT C1200 Gold 1200W 80+ Gold Certified Fully Modular ATX 3.0 Power Supply Unit, Black

NZXT C1200 Gold 1200W 80+ Gold Certified Fully Modular ATX 3.0 Power Supply Unit, Black

SKU: NZPA2G1BBUS

DESCRIPTION

A 1200W fully modular ATX 3.0 power supply with 80+ Gold certification, ideal for next-gen GPUs.

$259.99
$44 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: nzxt

DESCRIPTION

A 1200W fully modular ATX 3.0 power supply with 80+ Gold certification, ideal for next-gen GPUs.
Lian-Li EG1000 1000W 80+ Platinum Certified Fully Modular ATX Power Supply Unit

Lian-Li EG1000 1000W 80+ Platinum Certified Fully Modular ATX Power Supply Unit

SKU: LIEG1000BK

DESCRIPTION

A top-tier, energy-efficient power supply unit with 1000W capacity and fully modular design.

$218.00
$229.00 Save: $11.00 (5%)
$37 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A top-tier, energy-efficient power supply unit with 1000W capacity and fully modular design.
Lian-Li EG1300 1300W 80+ Platinum Certified Fully Modular ATX Power Supply Unit

Lian-Li EG1300 1300W 80+ Platinum Certified Fully Modular ATX Power Supply Unit

SKU: LIEG1300WH

DESCRIPTION

A 1300W 80+ Platinum certified fully modular ATX power supply unit for high-performance computing systems.

$250.99
$264.99 Save: $14.00 (5%)
$42 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A 1300W 80+ Platinum certified fully modular ATX power supply unit for high-performance computing systems.
Juice Goose UniStar V Series SCV-20001 1800W 2RU On-Line Double-Conversion Power Saving Uninterruptible Power Supply, 2000VA Capacity

Juice Goose UniStar V Series SCV-20001 1800W 2RU On-Line Double-Conversion Power Saving Uninterruptible Power Supply, 2000VA Capacity

SKU: JGSCV20001

DESCRIPTION

A 2RU On-Line Double-Conversion Power Saving Uninterruptible Power Supply with 2000VA Capacity and 1800W output power.

$1649.00
$138 /mo suggested payments with 12‑month special financing. Learn how.
KEY FEATURES
  • Brand: juice goose

DESCRIPTION

A 2RU On-Line Double-Conversion Power Saving Uninterruptible Power Supply with 2000VA Capacity and 1800W output power.
Lowell Manufacturing UPS8-1500 Line Interactive Uninterruptible Power Supply, 1500VA (1350W)

Lowell Manufacturing UPS8-1500 Line Interactive Uninterruptible Power Supply, 1500VA (1350W)

SKU: LW81500

DESCRIPTION

A highly efficient line interactive uninterruptible power supply with advanced power protection and programmable receptacle group.

$1758.24
$147 /mo suggested payments with 12‑month special financing. Learn how.
KEY FEATURES
  • Brand: lowell manufacturing

DESCRIPTION

A highly efficient line interactive uninterruptible power supply with advanced power protection and programmable receptacle group.
CoolerMaster MWE Gold 850 V2 80 Plus Full Modular ATX Power Supply

CoolerMaster MWE Gold 850 V2 80 Plus Full Modular ATX Power Supply

SKU: CMGLD850V2

DESCRIPTION

A full modular power supply with 80 Plus Gold certification, 2 EPS connectors, and quiet cooling.

$94.99
$99.99 Save: $5.00 (5%)
KEY FEATURES
  • Brand: coolermaster

DESCRIPTION

A full modular power supply with 80 Plus Gold certification, 2 EPS connectors, and quiet cooling.
Lian-Li SP850 850W 80+ Gold Certified Fully Modular SFX Power Supply Unit

Lian-Li SP850 850W 80+ Gold Certified Fully Modular SFX Power Supply Unit

SKU: LISP850

DESCRIPTION

A stylish, high-performance SFX power supply unit with 850W capacity, 80 Plus Gold certification, and fully modular design.

$139.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A stylish, high-performance SFX power supply unit with 850W capacity, 80 Plus Gold certification, and fully modular design.
Lian-Li EG0850G EDGE GOLD 850W 80+ Gold Certified Fully Modular ATX Power Supply Unit, White

Lian-Li EG0850G EDGE GOLD 850W 80+ Gold Certified Fully Modular ATX Power Supply Unit, White

SKU: LIEDGEWHITE

DESCRIPTION

A fully modular white and gold PSU with L-shape design, braided cables, and 80+ Gold efficiency.

$119.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A fully modular white and gold PSU with L-shape design, braided cables, and 80+ Gold efficiency.
Lian-Li EG1200G EDGE GOLD 1200W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, Black

Lian-Li EG1200G EDGE GOLD 1200W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, Black

SKU: LIEG1200GBH

DESCRIPTION

A fully modular black and gold ATX PSU with USB hub, magnetic dust filter, and braided cables.

$184.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A fully modular black and gold ATX PSU with USB hub, magnetic dust filter, and braided cables.
CoolerMaster V850 SFX Gold 80 Plus Full Modular SFX Power Supply

CoolerMaster V850 SFX Gold 80 Plus Full Modular SFX Power Supply

SKU: CMPY851SFHAG

DESCRIPTION

A mini-ITX compatible power supply unit with 80 Plus Gold efficiency, full-modular cabling, and quiet cooling.

$164.99
KEY FEATURES
  • Brand: coolermaster

DESCRIPTION

A mini-ITX compatible power supply unit with 80 Plus Gold efficiency, full-modular cabling, and quiet cooling.
Lian-Li EG1200G EDGE GOLD 1200W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, White

Lian-Li EG1200G EDGE GOLD 1200W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, White

SKU: LIEG1200GWH

DESCRIPTION

A fully modular white and gold PSU with USB hub, magnetic dust filter, and efficient cable management.

$184.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A fully modular white and gold PSU with USB hub, magnetic dust filter, and efficient cable management.
Lian-Li EG0850G EDGE GOLD 850W 80+ Gold Certified Fully Modular ATX Power Supply Unit, Black

Lian-Li EG0850G EDGE GOLD 850W 80+ Gold Certified Fully Modular ATX Power Supply Unit, Black

SKU: LIEDGEBLACK

DESCRIPTION

A fully modular, gold and black PSU with L-shape design, braided cables, and advanced dust filtration.

$109.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A fully modular, gold and black PSU with L-shape design, braided cables, and advanced dust filtration.
Thermaltake Smart 600W 80 Plus Standard Power Supply Unit

Thermaltake Smart 600W 80 Plus Standard Power Supply Unit

SKU: THPSSPPCWUSW

DESCRIPTION

A high-efficiency power supply with 80 Plus certification, ultra-quiet 120mm fan, and stable single +12V rail.

$49.99
KEY FEATURES
  • Brand: thermaltake

DESCRIPTION

A high-efficiency power supply with 80 Plus certification, ultra-quiet 120mm fan, and stable single +12V rail.
NZXT C1000 Gold 1000W 80+ Gold Certified Fully Modular ATX 3.1 Power Supply Unit, Black

NZXT C1000 Gold 1000W 80+ Gold Certified Fully Modular ATX 3.1 Power Supply Unit, Black

SKU: NZPA0G2BBUS

DESCRIPTION

A fully modular, black and gold power supply offering 1000W, 80+ Gold efficiency, and ultra-quiet operation.

$168.24
$179.99 Save: $11.75 (7%)
KEY FEATURES
  • Brand: nzxt

DESCRIPTION

A fully modular, black and gold power supply offering 1000W, 80+ Gold efficiency, and ultra-quiet operation.
Thermaltake Smart 500W 80 Plus Standard Power Supply Unit

Thermaltake Smart 500W 80 Plus Standard Power Supply Unit

SKU: THPSSPD05NPC

DESCRIPTION

A high-efficiency 500W power supply with quiet 120mm fan and stable single +12V rail performance.

$41.99
KEY FEATURES
  • Brand: thermaltake

DESCRIPTION

A high-efficiency 500W power supply with quiet 120mm fan and stable single +12V rail performance.
Lian-Li EG1000G EDGE GOLD 1000W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, White

Lian-Li EG1000G EDGE GOLD 1000W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, White

SKU: LIEG1000GWH

DESCRIPTION

A fully modular white and gold ATX PSU with detachable USB hub, braided cables, and advanced cooling features.

$159.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A fully modular white and gold ATX PSU with detachable USB hub, braided cables, and advanced cooling features.
Lian-Li EG1000G EDGE GOLD 1000W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, Black

Lian-Li EG1000G EDGE GOLD 1000W 80+ Gold Certified Fully Modular ATX PSU with USB Hub, Black

SKU: LIEG1000GBH

DESCRIPTION

A fully modular black and gold PSU with USB hub, magnetic dust filter, and efficient cable management.

$159.99
KEY FEATURES
  • Brand: lian-li

DESCRIPTION

A fully modular black and gold PSU with USB hub, magnetic dust filter, and efficient cable management.
Thermaltake Smart 700W 80 Plus Standard Power Supply Unit

Thermaltake Smart 700W 80 Plus Standard Power Supply Unit

SKU: THPSSPD07NPC

DESCRIPTION

A high-efficiency, 700W power supply with quiet 120mm fan and stable single +12V rail performance.

$67.50
KEY FEATURES
  • Brand: thermaltake

DESCRIPTION

A high-efficiency, 700W power supply with quiet 120mm fan and stable single +12V rail performance.
NZXT C850 Gold 850W 80+ Gold Certified Fully Modular ATX 3.1 Power Supply Unit, Black

NZXT C850 Gold 850W 80+ Gold Certified Fully Modular ATX 3.1 Power Supply Unit, Black

SKU: NZPA8G2BBUS

DESCRIPTION

A fully modular, gold and black power supply delivering efficient, silent, and stable performance for high-end PCs.

$129.49
$144.99 Save: $15.50 (11%)
KEY FEATURES
  • Brand: nzxt

DESCRIPTION

A fully modular, gold and black power supply delivering efficient, silent, and stable performance for high-end PCs.
CyberPower PFC Sinewave Computer Battery Backup, 1350VA 810W UPS, 10 Outlets

CyberPower PFC Sinewave Computer Battery Backup, 1350VA 810W UPS, 10 Outlets

SKU: CYBCP1350PFC
(61)

DESCRIPTION

A 1350VA/810W UPS system with pure sine wave output, automatic voltage regulation, and multifunction LCD panel.

$219.95
$37 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: cyberpower

DESCRIPTION

A 1350VA/810W UPS system with pure sine wave output, automatic voltage regulation, and multifunction LCD panel.
CyberPower PFC Sinewave Computer Battery Backup, 1500VA 1000W UPS, 12 Outlets

CyberPower PFC Sinewave Computer Battery Backup, 1500VA 1000W UPS, 12 Outlets

SKU: CYBCP1500PFC
(61)

DESCRIPTION

A 1500VA/1000W UPS system with pure sine wave output, automatic voltage regulation, and multifunction LCD panel.

Pros
  • Good price range
  • Great display
  • Plenty of plugs
  • Protects equipment
  • Superb features
$239.95
$40 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: cyberpower

DESCRIPTION

A 1500VA/1000W UPS system with pure sine wave output, automatic voltage regulation, and multifunction LCD panel.
CyberPower PFC Sinewave Computer Battery Backup, 1000VA 600W UPS, 10 Outlets

CyberPower PFC Sinewave Computer Battery Backup, 1000VA 600W UPS, 10 Outlets

SKU: CYBCP1000PFC
(61)

DESCRIPTION

A 1000VA/600W UPS with pure sine wave output and multifunction LCD for mid-to-high-end computer systems.

$179.95
KEY FEATURES
  • Brand: cyberpower

DESCRIPTION

A 1000VA/600W UPS with pure sine wave output and multifunction LCD for mid-to-high-end computer systems.
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High Efficiency Computer Power Supplies

As technology continues to evolve, the demand for reliable, energy-saving components in computer systems has never been greater. High efficiency computer power supplies stand at the forefront of this movement, offering a critical foundation for both everyday users and professionals who depend on stable, sustainable power delivery. These power supplies are engineered to convert wall-supplied AC power into the DC power required by computers with remarkable precision, minimizing wasted energy and reducing heat output. This not only translates to lower electricity bills and a cooler operating environment but also contributes to the longevity of sensitive internal components. During the warmer months of August, when air conditioning already strains the household electrical load, a high efficiency power supply can make a noticeable difference—not just in the performance of your machine, but in your overall energy consumption. Whether you’re building a workstation for intensive creative tasks, setting up a gaming rig, or upgrading a family desktop, investing in a high efficiency power supply means you’re choosing a solution that’s as mindful of your utility costs as it is of your computing needs.

For those who are considering a new build or a significant upgrade, understanding the nuances of power supply efficiency can be a game-changer. Look for products with recognized certifications such as 80+ Bronze, Silver, Gold, Platinum, or Titanium; these ratings indicate how effectively the unit converts power at various loads, with higher certifications offering even less energy waste. A high power power supply with a Gold or Platinum rating, for example, is ideal for systems packed with cutting-edge graphics cards, multiple drives, or high-core-count CPUs, ensuring that performance is never bottlenecked by inadequate or inefficient power delivery. Features like modular cabling—where you connect only the cables you need—help keep the interior of your case tidy and airflow optimized, which is especially valuable during the summer months when ambient temperatures rise. Many high efficiency models also incorporate advanced cooling solutions, such as temperature-controlled or even fanless operation, keeping noise levels to a minimum for those late-night editing sessions or immersive gaming marathons. Quality internal components, like premium capacitors, further guarantee long-term reliability, making these units a wise investment for anyone who wants peace of mind along with performance.

High efficiency power supplies are an excellent gift for students heading off to college, professionals working from home, or anyone passionate about building or maintaining their own computers. They’re particularly appreciated by those who value both performance and sustainability—think of the content creator editing 4K video, the engineer running simulations, or the gamer aiming for peak frame rates without compromise. As energy costs continue to rise and more households seek ways to reduce their environmental footprint, upgrading to a high efficiency power supply is a practical step that pays dividends in both savings and system stability. If you’re interested in exploring more ways to build a greener, more efficient setup, take a look at our selection of Energy Efficient Computers for additional inspiration and solutions that fit your needs. Whether you’re assembling a high-powered workstation or simply want to ensure your family PC runs cool and quiet all summer long, choosing a high efficiency power supply is a smart, forward-thinking decision that supports both your technology and the planet.

Top Picks For High Efficiency Computer Power Supplies