ATX 3.1 PSU | Newegg.com

MSI MEG Ai1300P PCIE5, Fully Modular Gaming 1300W Power Supply, 80+ Platinum, Native 12V-2x6 Cable, 100% Japanese Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, Sleeve Cables, 10 Year Warranty

Model #: MEG Ai1300P PCIE5

$448^.43 –
More options from $332.49 - $741.44
Free Shipping

Compare

Thermaltake Toughpower GT 850W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 450W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-3

Quick View

(14)

Thermaltake Toughpower GT 850W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 450W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-3

Model #: PS-TPT-0850FNFAGU-3

$109^.99 –
More options from $79.31 - $159.37
$3.99 Shipping

Compare

NZXT ATX 3.1 850 Watt 80 Plus Gold Fully Modular Low-Noise Power Supply - White - PA-8G2BW-US

Quick View

(29)

NZXT ATX 3.1 850 Watt 80 Plus Gold Fully Modular Low-Noise Power Supply - White - PA-8G2BW-US

Model #: PA-8G2BW-US

$149.99
$124^.99 –
Save: $25.00 (16%)
More options from $124.99 - $182.82
Free Shipping

Compare

Thermaltake Toughpower GT 750W ATX 3.1 Snow Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-W

Quick View

(14)

Thermaltake Toughpower GT 750W ATX 3.1 Snow Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-W

Model #: PS-TPT-0750FNFAGU-W

$99^.99 –
More options from $95.99 - $150.93
Free Shipping

Compare

MSI MAG A750BN PCIE5 III, Non-Modular Compact Gaming 750W Power Supply, 80+ Bronze, ATX 3.1 & PCIe 5.1 Ready, Low-Noise Fan, Embossed Jacket Cables, 5 Year Warranty

Quick View

Lowest price

in 30 days

(106)

MSI MAG A750BN PCIE5 III, Non-Modular Compact Gaming 750W Power Supply, 80+ Bronze, ATX 3.1 & PCIe 5.1 Ready, Low-Noise Fan, Embossed Jacket Cables, 5 Year Warranty

Model #: MAG A750BN PCIE5 III

$79.99
$69^.99 –
Save: $10.00 (12%)
More options from $68.55 - $92.84
$2.99 Shipping

Compare

SAMA P850W ATX 3.1 Power Supply, 850W, Cybenetics Platinum Standards, PCIE 5.1 Ready, Full Modular, 850W Gaming PSU, Premium Japanese Capacitor, FDB Fan, Black version

Quick View

(5)

SAMA P850W ATX 3.1 Power Supply, 850W, Cybenetics Platinum Standards, PCIE 5.1 Ready, Full Modular, 850W Gaming PSU, Premium Japanese Capacitor, FDB Fan, Black version

Model #: XPH850-AP

$119.99
$99^.99 –
Save: $20.00 (16%)
More options from $99.99 - $125.28
Free Shipping

Compare

Lian Li RS 1000W Rotational Shift Fully Modular ATX Power Supply (W/o USB Fan Hub) 90° AC Inlet, Cybenetics Platinum, 80+ Gold, ATX 3.1, PCIe 5.1, 12V-2×6 Cable, 10 Year Warranty, Black (RS1000G.B)

Quick View

(1)

Lian Li RS 1000W Rotational Shift Fully Modular ATX Power Supply (W/o USB Fan Hub) 90° AC Inlet, Cybenetics Platinum, 80+ Gold, ATX 3.1, PCIe 5.1, 12V-2×6 Cable, 10 Year Warranty, Black (RS1000G.B)

Model #: RS1000G.B

$144^.99 –
Free Shipping

Compare

Lian Li SX1000P Platinum 1000W Compact ATX Form Factor Power Supply w/ 12V-2x6 Cable - ATX 3.1 & PCIE 5.1 Compliant - 140mm Fan - Full Modular - 10 Year Warranty - Black (SX1000P.B)

Quick View

(1)

Lian Li SX1000P Platinum 1000W Compact ATX Form Factor Power Supply w/ 12V-2x6 Cable - ATX 3.1 & PCIE 5.1 Compliant - 140mm Fan - Full Modular - 10 Year Warranty - Black (SX1000P.B)

Model #: SX1000P.B

$149^.99 –
More options from $149.99 - $159.99
Free Shipping

Compare

FSP Hydro PTM PRO 1350W | ATX 3.1 & PCIe 5.1 (12V-2X6) X2 | 80 Plus Platinum | Full Modular Power Supply | Full-Bridge Topology Module Design | 10 Years Warranty (HPT2-1350M-GEN5)

Quick View

(1)

Model #: ppa13f0102

$269^.99 –
Free Shipping

Compare

Super Flower Combat SFX FG 850W 80+ Gold, Full Modular, ATX 3.1&PCIe 5.1, W/12V-2x6, SF-850C92SFG, SFX, Black

Quick View

(1)

Super Flower Combat SFX FG 850W 80+ Gold, Full Modular, ATX 3.1&PCIe 5.1, W/12V-2x6, SF-850C92SFG, SFX, Black

Model #: SF-850C92SFG

$149.99
$119^.99 –
Save: $30.00 (20%)
Free Shipping

Compare

Quick View

darkFlash PMT750, 750W Fully Modular Power Supply, 80 PLUS Gold, ATX 3.1 & PCIe 5.1 Ready, Direct-Connected 12VHPWR, 100% Japanese 105°C Capacitors, DC-to-DC Design

Model #: DF-PMT-750-BK

$79^.99 –
Free Shipping

Compare

Thermaltake Toughpower PT 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Etched Flat Cables; Dual-Color H++ Connectors; 100% Japanese Capacitors; 135mm Hydraulic Bearing Fan; 80 Plus Platinum Certified

Quick View

Thermaltake Toughpower PT 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Etched Flat Cables; Dual-Color H++ Connectors; 100% Japanese Capacitors; 135mm Hydraulic Bearing Fan; 80 Plus Platinum Certified

Model #: PS-TPP-1200FNFAPU-1

$199^.99 –
More options from $199.99 - $241.86
Free Shipping

Compare

Quick View

FSP MEGA TI 1650W Power Supply, 80 Plus & Cybenetics Titanium, Lambda A++, ATX3.1 & PCIe 5.1 (12V-2x6), Full Modular (MEGA-1650W)

Model #: PPA16F0207

$499^.99 –
Free Shipping

Compare

Super Flower Combat SFX FP 1000W 80+ Platinum, Full Modular, ATX 3.1&PCIe 5.1, W/12V-2x6, SF-1000C92SFP, SFX, Black

Quick View

(1)

Super Flower Combat SFX FP 1000W 80+ Platinum, Full Modular, ATX 3.1&PCIe 5.1, W/12V-2x6, SF-1000C92SFP, SFX, Black

Model #: SF-1000C92SFP

$219.99
$159^.99 –
Save: $60.00 (27%)
Free Shipping

Compare

Rosewill VSB 850W 80+ Bronze, ATX 3.0 & 3.1 Compatible, Semi-Modular Power Supply, PCIe 5.1 12V-2x6 Connector, 105°C/221°F Japanese Capacitor, 120mm ICB Silent Fan - 5 Year Warranty - VSB850

Quick View

(19)

Rosewill VSB 850W 80+ Bronze, ATX 3.0 & 3.1 Compatible, Semi-Modular Power Supply, PCIe 5.1 12V-2x6 Connector, 105°C/221°F Japanese Capacitor, 120mm ICB Silent Fan - 5 Year Warranty - VSB850

Model #: VSB850

$79^.99 –
Free Shipping

Compare

Cooler Master V750 SFX Gold 750W Fully Modular Power Supply - 80+ Gold Certified SFF PSU, ATX 3.1 & PCIe 5.1 Ready, 90 Degree Angled Cable, Low Noise, Small Form Factor ITX PSU, 10-Year Warranty,Black

Quick View

(91)

Cooler Master V750 SFX Gold 750W Fully Modular Power Supply - 80+ Gold Certified SFF PSU, ATX 3.1 & PCIe 5.1 Ready, 90 Degree Angled Cable, Low Noise, Small Form Factor ITX PSU, 10-Year Warranty,Black

Model #: MPY-7501-SFHAGV-3U1

$149.99
$139^.99 –
Save: $10.00 (6%)
More options from $139.99 - $418.89
Free Shipping

Compare

ASUS ROG Thor 1200W Platinum III WHITE EDITION PSU (80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode)

Quick View

ASUS ROG Thor 1200W Platinum III WHITE EDITION PSU (80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode)

Model #: ROG-THOR-1200P3-WHITE-GAMING

$886.00
$754^.00 –
Save: $132.00 (14%)
More options from $754.00 - $899.00
Free Shipping

Compare

ASUS ROG Thor 1200W Platinum III PSU (80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode, 10-Year Warranty)

Quick View

(1)

ASUS ROG Thor 1200W Platinum III PSU (80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode, 10-Year Warranty)

Model #: ROG-THOR-1200P3-GAMING

$455^.99 –
More options from $455.99 - $1,085.72
Free Shipping

Compare

ASUS ROG Thor 1200W Platinum III RO JI x HATSUNE MIKU Edition PSU,80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode

Quick View

(1)

ASUS ROG Thor 1200W Platinum III RO JI x HATSUNE MIKU Edition PSU,80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode

Model #: ROG-THOR-1200P3-MIKU ED

$885^.44 –
More options from $855.00 - $885.44
Free Shipping

Compare

SAMA B850 850W ATX 3.1 Power Supply, Cybenetics Bronze Certified, PCIe 5.1 Ready 12V-2x6 (450W), APFC LLC + DC-DC Design, 120mm Silent Fan, Non-Modular Gaming PC PSU

Quick View

SAMA B850 850W ATX 3.1 Power Supply, Cybenetics Bronze Certified, PCIe 5.1 Ready 12V-2x6 (450W), APFC LLC + DC-DC Design, 120mm Silent Fan, Non-Modular Gaming PC PSU

Model #: B0850-BKBFWA31-US

$77.98
$64^.99 –
Save: $12.99 (16%)
Free Shipping

Compare

SAMA P1200W ATX 3.1 Power Supply, 1200W, Cybenetics Platinum Standards, PCIE 5.1 Ready, Full Modular, 1200W Gaming PSU, Premium Japanese Capacitor, FDB Fan, Black version

Quick View

(5)

SAMA P1200W ATX 3.1 Power Supply, 1200W, Cybenetics Platinum Standards, PCIE 5.1 Ready, Full Modular, 1200W Gaming PSU, Premium Japanese Capacitor, FDB Fan, Black version

Model #: XPH1200-AP

$139^.99 –
More options from $139.99 - $157.95
Free Shipping

Compare

Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply 80 Plus Gold Efficiency Smart Zero Fan Native 300W PCIe 5.1 Connector PS-TPT-0750FNFAGU-3

Quick View

Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply 80 Plus Gold Efficiency Smart Zero Fan Native 300W PCIe 5.1 Connector PS-TPT-0750FNFAGU-3

Model #: PS-TPT-0750FNFAGU-3

$99^.99 –
More options from $83.99 - $107.99
$4.99 Shipping

Compare

Quick View

FSP VITA GM 850W Power Supply, 80 Plus Gold, ATX 3.1 PCIe 5.1 Full Modular, 10 Year Warranty (VITA-850GM)

Model #: PPA8504212

$129^.99 –
Free Shipping

Compare

MSI MPG A1250GS PCIE5, Fully Modular Gaming 1250W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, Semi Digital, 10 Year Warranty

Quick View

(904)

MSI MPG A1250GS PCIE5, Fully Modular Gaming 1250W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, Semi Digital, 10 Year Warranty

Model #: MPG A1250GS PCIE5

$236^.00 –
More options from $176.88 - $531.44
Free Shipping

Compare

Quick View

Thermaltake Toughpower GT 850W ATX 3.1 Standard Power Supply 80 Plus Gold Efficiency Smart Zero Fan Native 450W PCIe 5.1 Connector PS-TPT-0850FNFAGU-3

Model #: PS-TPT-0850FNFAGU-3

$119^.99 –
$4.99 Shipping

Compare

Quick View

MONTECH BETA 2 550W Power Supply, ATX 3.1 Ready, 80+ Bronze Certified, DC-to-DC Stability, Industrial Japanese Main Capacitor, Full Protection Suite (BETA2550W)

Model #: BETA 2 550W

$49^.90 –
Free Shipping

Compare

Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold Certified; 140mm; Snow; PS-TPT-1000FNFAGU

Quick View

(1)

Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold Certified; 140mm; Snow; PS-TPT-1000FNFAGU

Model #: PS-TPT-1000FNFAGU-W

$159.99
$151^.99 –
Save: $8.00 (5%)
More options from $148.94 - $214.00
Free Shipping

Compare

GIGABYTE AORUS ELITE ICE PSU - 1000W 80 PLUS Platinum Certified - PCIe5.1 Ready - ATX3.1 - Fully Modular Power Supply (GP-AE1000PM PG5 ICE)

Quick View

(2)

GIGABYTE AORUS ELITE ICE PSU - 1000W 80 PLUS Platinum Certified - PCIe5.1 Ready - ATX3.1 - Fully Modular Power Supply (GP-AE1000PM PG5 ICE)

Model #: GP-AE1000PM PG5 ICE Rev1.1

$319^.90 –
More options from $319.90 - $424.43
Free Shipping

Compare

Quick View

MONTECH BETA 2 650W Power Supply, ATX 3.1 Ready, 80+ Bronze Certified, DC-to-DC Stability, Industrial Japanese Main Capacitor, Full Protection Suite (BETA2650W)

Model #: BETA 2 650W

$59^.90 –
Free Shipping

Compare

ASUS ROG Strix 1200W Platinum Equalizer Cable Version (2026) ,GaN ,80PLUS PLATINUM Certified Full Modular, Compatible with PCIe Gen 5.1 and ATX 3.1 Power Supply, International Version

Quick View

ASUS ROG Strix 1200W Platinum Equalizer Cable Version (2026) ,GaN ,80PLUS PLATINUM Certified Full Modular, Compatible with PCIe Gen 5.1 and ATX 3.1 Power Supply, International Version

Model #: ROG STRIX 1200W-Equalizer Cable

$419^.00 –
Free Shipping

Compare

Thermaltake Toughpower PT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Etched Flat Cables; Dual-Color H++ Connectors; 100% Japanese Capacitors; 135mm Hydraulic Bearing Fan; 80 Plus Platinum Certified

Quick View

Thermaltake Toughpower PT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Etched Flat Cables; Dual-Color H++ Connectors; 100% Japanese Capacitors; 135mm Hydraulic Bearing Fan; 80 Plus Platinum Certified

Model #: PS-TPP-1000FNFAPU-1

$179^.99 –
More options from $179.99 - $195.30
Free Shipping

Compare

Quick View

(1)

Lian Li RS 1000W Rotational Shift Fully Modular ATX Power Supply (W/o USB Fan Hub) 90° AC Inlet, Cybenetics Platinum, 80+ Gold, ATX 3.1, PCIe 5.1, 12V-2×6 Cable, 10 Year Warranty, White (RS1000G.W)

Model #: RS1000G.W

$149^.99 –
Free Shipping

Compare

ASUS ROG STRIX 1000W Platinum Snow Edition,Gallium Nitride (GaN) ,80PLUS PLATINUM Certified Full Modular, Compatible with PCIe Gen 5.1 and ATX 3.1 Power Supply, White PSU -ROG-STRIX-1000P-GAMING-Snow

Quick View

(1)

ASUS ROG STRIX 1000W Platinum Snow Edition,Gallium Nitride (GaN) ,80PLUS PLATINUM Certified Full Modular, Compatible with PCIe Gen 5.1 and ATX 3.1 Power Supply, White PSU -ROG-STRIX-1000P-GAMING-Snow

Model #: ROG-STRIX-1000P-GAMING-Snow

$345.40
$343^.27 –
More options from $254.17 - $346.95
Free Shipping

Compare

ASUS ROG Thor 1600W Titanium III PSU (80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode, 10-Year Warranty)

Quick View

ASUS ROG Thor 1600W Titanium III PSU (80 PLUS Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, Magnetic OLED Display, Turbo Mode, 10-Year Warranty)

Model #: ROG-THOR-1600P3-GAMING

$1,099^.99 –
Free Shipping

Compare

ASUS ROG Strix 1000W Platinum Equalizer Cable Version (2026) ,GaN ,80PLUS PLATINUM Certified Full Modular, Compatible with PCIe Gen 5.1 and ATX 3.1 Power Supply, International Version

Quick View

ASUS ROG Strix 1000W Platinum Equalizer Cable Version (2026) ,GaN ,80PLUS PLATINUM Certified Full Modular, Compatible with PCIe Gen 5.1 and ATX 3.1 Power Supply, International Version

Model #: ROG STRIX 1000W-Equalizer Cable

$389^.00 –
Free Shipping

Compare

Quick View

BETA 2 850W Power Supply, ATX 3.1 & PCIe 5.1 Ready, 80+ Bronze Certified, Next-Gen 12V-2x6 Cable, DC-to-DC Stability, Industrial Japanese Main Capacitor, Full Protection Suite (BETA2850W)

Model #: BETA 2 850W

$69^.90 –
Free Shipping

Compare

"ATX 3.1 PSU"