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SeaSonic FOCUS GX ATX 3 (2024) GX-850 850 W ATX3.1 80 PLUS GOLD  Nvidia RTX 40 Super/50  Certified Full Modular Power Supplies
SeaSonic FOCUS GX ATX 3 (2024) GX-850 850 W Nvidia RTX 40 Super/50 Power Supplies

Save $35 w/ promo code SSHNY3A, limited offer

  • Brand: SeaSonic
  • Series: FOCUS GX ATX 3 (2024)
  • Type: ATX 3.1
  • Maximum Power: 850 W
  • Model #: FOCUS ATX3 (2024) GX-850
  • Item #: N82E16817151271
  • Return Policy: 30-Day Return Policy
$159.99
Free Shipping
SeaSonic FOCUS GX ATX 3 (2024) GX-1000 1000 W ATX 3.1 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic FOCUS GX ATX 3 (2024) GX-1000 1000 W Power Supplies

Save $20 w/ promo code SSHNY3B, limited offer

  • Brand: SeaSonic
  • Series: FOCUS GX ATX 3 (2024)
  • Type: ATX 3.1
  • Maximum Power: 1000 W
  • Model #: FOCUS GX ATX 3 (2024) GX-1000
  • Item #: N82E16817151270
  • Return Policy: 30-Day Return Policy
Save 5%
$188.99
$199.99
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SeaSonic CORE GX-850 ATX3 850 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic CORE GX-850 ATX3 850 W Power Supplies

Save $25 w/ promo code SSHNY3H, limited offer

  • Fans: 120 mm Hydro Dynamic Bearing (HDB) Fan
  • PCI-Express Connector: ATX 3 and 16-Pin PCIe Gen 5 Cable (12V-2x6)
  • Max PSU Length: 140 mm
  • Model #: CORE GX-850 ATX3
  • Item #: N82E16817151278
  • Return Policy: 30-Day Return Policy
$125.99
$129.99
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SeaSonic FOCUS GX ATX 3 (2024) GX-750 750 W ATX3.1 80 PLUS GOLD Nvidia RTX 40 Super/50 Certified Full Modular Power Supplies
in 30 days
SeaSonic FOCUS GX ATX 3 (2024) GX-750 750 W Nvidia RTX 40 Super/50 Power Supplies

Save $20 w/ promo code SSHNY3C, limited offer

  • Brand: SeaSonic
  • Series: FOCUS GX ATX 3 (2024)
  • Type: ATX 3.1
  • Maximum Power: 750 W
  • Model #: FOCUS ATX3 (2024) GX-750
  • Item #: N82E16817151272
  • Return Policy: 30-Day Return Policy
$137.99
Free Shipping
SeaSonic CORE GX-1000 ATX3 1000 W ATX 3.1 80 PLUS GOLD Certified Full Modular power supply
SeaSonic CORE GX-1000 ATX3 1000 W power supply

Save $20 w/ promo code SSHNY3J, limited offer

  • Brand: SeaSonic
  • Type: ATX 3.1
  • Maximum Power: 1000 W
  • Modular: Full Modular
  • Model #: CORE GX-1000 ATX3
  • Item #: N82E16817151283
  • Return Policy: 30-Day Return Policy
$169.99
Free Shipping
Seasonic PRIME PX-1600, 1600W 80+ Platinum, ATX 3.1 & PCIe 5.1 Ready, Full Modular, Low Noise, Premium Japanese Capacitor, Nvidia RTX 30/40 Super, AMD GPU Compatible, Ref# SSR-1600PD2
Seasonic PRIME PX-1600, 1600W 80+ Platinum, ATX 3.1 & PCIe 5.1 Ready, Full Modular, Low Noise, Premium Japanese Capacitor, Nvidia RTX 30/40 Super, AMD GPU Compatible, Ref# SSR-1600PD2
  • Brand: SeaSonic
  • Type: ATX 3.1 Compatible
  • Maximum Power: 1600 W
  • Modular: Full Modular
  • Model #: SSR-1600PD2
  • Item #: N82E16817151260
  • Return Policy: 30-Day Return Policy
$499.99
Free Shipping
SeaSonic FOCUS GX ATX 3 (2024) GX-850 White 850 W ATX 3.1 Compatible 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic FOCUS GX ATX 3 (2024) GX-850 White 850 W Power Supplies

+ $20 off w/ promo code SSHNY3K, limited offer

  • Brand: SeaSonic
  • Series: FOCUS GX ATX 3 (2024)
  • Type: ATX 3.1 Compatible
  • Maximum Power: 850 W
  • Model #: SRP-FGX851-A5A32SF WHITE
  • Item #: N82E16817151274
  • Return Policy: 30-Day Return Policy
$169.99
Free Shipping
SeaSonic FOCUS GX ATX 3 (2024) GX-1000 White 1000 W ATX 3.1 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic FOCUS GX ATX 3 (2024) GX-1000 White 1000 W Power Supplies
  • Brand: SeaSonic
  • Series: FOCUS GX ATX 3 (2024)
  • Type: ATX 3.1
  • Maximum Power: 1000 W
  • Model #: SRP-FGX102-A5A32SF WHITE
  • Return Policy: View Return Policy
$134.53
Free Shipping
Seasonic VERTEX GX-1200, 1200W 80+ Gold, ATX 3.0 & PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 40 Super/50 , AMD GPU Compatible
SeaSonic CORE GX-750 ATX3 750 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic CORE GX-750 ATX3 750 W Power Supplies
  • Fans: 120 mm Hydro Dynamic Bearing (HDB) Fan
  • PCI-Express Connector: ATX 3 and 16-Pin PCIe Gen 5 Cable (12V-2x6)
  • Max PSU Length: 140 mm
  • Model #: CORE GX-750 ATX3
  • Item #: N82E16817151277
  • Return Policy: 30-Day Return Policy
$107.99
$108.99
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Seasonic PRIME TX-1300, 1300W 80+ Titanium, ATX 3.1 & PCIe 5.1 Ready, Full Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, Nvidia RTX 40 Super/50, AMD GPU Compatible, Ref# SSR-1300TR2
Seasonic PRIME TX-1300, 1300W 80+ Titanium, ATX 3.1 & PCIe 5.1 Ready, Full Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, Nvidia RTX 40 Super/50, AMD GPU Compatible, Ref# SSR-1300TR2
  • Brand: SeaSonic
  • Type: ATX 3.1 Compatible
  • Maximum Power: 1300 W
  • Modular: Full Modular
  • Model #: SSR-1300TR2
  • Item #: N82E16817151261
  • Return Policy: 30-Day Return Policy
$479.99
Free Shipping
SeaSonic FOCUS GX ATX 3 (2024) GX-750 White 750 W ATX 3.1 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic FOCUS GX ATX 3 (2024) GX-750 White 750 W Power Supplies

Save $20 w/ promo code SSHNY3G, limited offer

  • Brand: SeaSonic
  • Series: FOCUS GX ATX 3 (2024)
  • Type: ATX 3.1
  • Maximum Power: 750 W
  • Model #: SRP-FGX751-A5A32SF WHITE
  • Item #: N82E16817151273
  • Return Policy: 30-Day Return Policy
$144.99
Free Shipping
SeaSonic CORE GX-650 ATX3 650 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies
SeaSonic CORE GX-650 ATX3 650 W Power Supplies
  • Fans: 120 mm Hydro Dynamic Bearing (HDB) Fan
  • PCI-Express Connector: ATX 3 and 16-Pin PCIe Gen 5 Cable (12V-2x6)
  • Max PSU Length: 140 mm
  • Model #: CORE GX-650 ATX3
  • Item #: N82E16817151276
  • Return Policy: 30-Day Return Policy
$100.99
Free Shipping
Seasonic VERTEX PX-1000, 1000W 80+ Platinum, ATX 3.0&PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible
Seasonic VERTEX PX-1000, 1000W 80+ Platinum, ATX 3.0&PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible
  • Fans: 1 x 135 mm
  • Over Voltage Protection: Yes
  • Input Voltage: 100 - 240 V
  • Input Frequency Range: 50/60 Hz
  • Model #: VERTEX PX-1000
  • Item #: N82E16817151267
  • Return Policy: 30-Day Return Policy
$269.99
Free Shipping
Seasonic SSP-300SFG Active PFC, 300W SFX, Intel Haswell ready, Japanese Capacitor, Operating Temperature 0-50 degree C, 80+ Gold, Extreme Silent Fanless Mode, Slim Design for Outstanding Airflow - OEM
Seasonic MAGFLOW 120mm High Performance PWM Fan - Black
Seasonic MAGFLOW 120mm High Performance PWM Fan - Black
  • Brand: Seasonic
  • Series: MagFlow
  • Fan Size: 120mm
  • LED: Non-LED
  • Model #: MagFlow 1-Fan Kit
  • Return Policy: View Return Policy
Save 7%
$35.57
$38.31
Free Shipping
Seasonic SSP-300SUG Active PFC, 300W Flex/Mini 1U, Intel Haswell ready, Japanese capacitor, Operating temperature 0-50°C, 80+ Gold, Modular wire
Seasonic SSP-300SUG Active PFC, 300W Flex/Mini 1U, Intel Haswell ready, Japanese capacitor, Operating temperature 0-50°C, 80+ Gold, Modular wire
  • Fans: 40 mm Double ball Bearing fan
  • Main Connector: 24Pin
  • +12V Rails: Single
  • SATA Power Connector: 3
  • Model #: SSP-300SUG
  • Return Policy: View Return Policy
$103.99
Free Shipping
Seasonic PRIME TX-1600, 1600W 80+ Titanium, ATX Form Factor, Full Modular, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible, Ref# SSR-1600TR
Seasonic PRIME TX-1600, 1600W 80+ Titanium, ATX Form Factor, Full Modular, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible, Ref# SSR-1600TR
  • Fans: 1 x 135 mm Fluid Dynamic Bearing
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 8 x 6+2-Pin
  • Model #: PRIME TX-1600
  • Return Policy: View Return Policy
$662.15
Free Shipping
Seasonic VERTEX GX-850, 850W 80+ Gold, ATX 3.0 & PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 40 Super/50 , AMD GPU Compatible
Seasonic FOCUS PX-850, 850W 80+ Platinum, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 10 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible, Ref# SSR-850PX
Seasonic FOCUS PX-850, 850W 80+ Platinum, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 10 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible, Ref# SSR-850PX
  • Fans: 1 x 120mm Fluid Dynamic Bearing fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 6 x 6+2-Pin
  • Model #: FOCUS PX-850
  • Return Policy: View Return Policy
$248.65
$29.99 Shipping

Leading the Market with Innovation

Welcome to SeaSonic USA Brand Store, where cutting-edge technology meets exceptional performance. Known for our revolutionary advancements in the field, SeaSonic USA is the leading name in delivering high-quality Power Supplies that cater to your most demanding computing needs. Our commitment to innovative solutions ensures your systems run efficiently and effectively.

Uncompromising Quality in Every Element

At SeaSonic USA, we believe that reliability starts with the right components. That's why our top-tier Internal Power Cables are designed to optimize electrical flow with unparalleled efficiency. These cables maintain stable and consistent power delivery, ensuring your hardware operates at peak performance with no compromise on quality.

Optimized Cooling Solutions

Achieving the perfect balance of temperature and performance requires precision-engineered cooling systems. Our advanced Case Fans deliver superior airflow, reducing heat and enhancing equipment longevity. SeaSonic USA's commitment to world-class cooling technology makes overheating a thing of the past.

Powering Your Servers Efficiently

For businesses seeking robust and reliable power solutions, our Server Power Supplies guarantee stability and energy efficiency. SeaSonic USA's server solutions are crafted to meet the rigorous demands of enterprise-level operations, ensuring maximum uptime and performance for your critical infrastructures.

Bestselling SeaSonic USA Reviews:

Johnathon S.
1/30/2026 3:20:15 AM
Great PSU for RTX 50 series 12v hpwr

“ I'd absolutely still recommend this PSU despite the minor negatives because it's such a well rated unit for the RTX 50 series. ”

SeaSonic FOCUS GX ATX 3 (2024) GX-1000 1000 W ATX 3.1 80 PLUS GOLD Certified Full Modular Power Supplies
Jim H
12/4/2025 8:18:48 AM
This power supply is a great product

“ I would recommend this power supply in any new build or upgrade. ”

SeaSonic FOCUS GX ATX 3 (2024) GX-750 750 W ATX3.1 80 PLUS GOLD Nvidia RTX 40 Super/50 Certified Full Modular Power Supplies
30-40 Psyco
11/25/2025 7:43:57 AM
Good Power Supply, Speedy Shipping

“ I continue to recommend Seasonic as a solid, reputable brand as I've had nothing but good luck with their power supplies, even though they tend to cost more than other brands. ”

SeaSonic CORE GX-750 ATX3 750 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies
Matthew H.
10/31/2025 10:37:53 AM
Fantastic power supply, no issues, high quality

“ Highly recommended. ”

SeaSonic FOCUS GX ATX 3 (2024) GX-1000 1000 W ATX 3.1 80 PLUS GOLD Certified Full Modular Power Supplies
Anthony N.
10/15/2025 5:27:33 PM
It says SeaSonic - trust it!

“ I buy a SeaSonic PSU, whether for me or recommending to others...and then the next time same...and the next. ”

SeaSonic FOCUS GX ATX 3 (2024) GX-750 750 W ATX3.1 80 PLUS GOLD Nvidia RTX 40 Super/50 Certified Full Modular Power Supplies