Compare Power Supplies

Compare Seasonic S12III SSR-450GB3 450W vs Focus SGX-450 450W

  1. Compare
  2. Power Supplies
  3. Seasonic S12III SSR-450GB3 450W 🆚 Seasonic Focus SGX-450 450W
Seasonic S12III SSR-450GB3 450W and Seasonic Focus SGX-450 450W are both power supplies with the same Wattage (450 W), PCI-Express 6+2 Pin Connectors (2) and EPS Connectors (1). The main differences are in Modular, Efficiency, SATA Connectors and Length.
Save comparison
Seasonic S12III SSR-450GB3 450W 80+ Bronze ATX12V & EPS12V
Seasonic S12III SSR-450GB3 450W
Seasonic Focus SGX-450 450W 80+ Gold SFX 12 V/ATX 12V Full Modular SSR-450SGX
Seasonic Focus SGX-450 450W
Prices
(Change region)
-
Buy now
Prices
(Change region)
Out of Stock
Free shipping
$199.00
-
Buy now
* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure)
* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Seasonic
Brand
Seasonic
Model
SSR-450GB3
Model
SSR-450SGX
Release Date
📅 January 2019
Release Date
📅 November 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Wattage
450 W
Wattage
450 W
Type
ATX
Type
SFX
Modular
No
Modular
Full
Efficiency
80+ Bronze
Efficiency
80+ Gold
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
1
EPS Connectors
1
SATA Connectors
4
SATA Connectors
3
Molex Connectors
3
Molex Connectors
3
Length
140 mm
Length
125 mm

Comparison and key differences summary

Reasons to buy the Seasonic S12III SSR-450GB3 450W:

  • +1 SATA connectors available

Buy now

Reasons to buy the Seasonic Focus SGX-450 450W:

  • Fully modular power supply
  • Better 80 Plus efficiency

Buy now

Have you found incorrect information on this page? Contact us and we will fix it as soon as possible.

Trending comparisons (Power Supplies)

CORSAIR RM850e (2025)
VS
MSI MAG A850GL PCIE 5
CORSAIR RM850e (2025)

vs

MSI MAG A850GL PCIE 5
be quiet! Pure Power 13 M 1000W
VS
CORSAIR RMx Series RM1000x (2024)
be quiet! Pure Power 13 M 1000W

vs

CORSAIR RMx Series RM1000x (2024)
Corsair RM850e
VS
Corsair RM850x
Corsair RM850e

vs

Corsair RM850x
Lian Li EDGE GOLD 850W
VS
MSI MAG A850GL PCIE 5
Lian Li EDGE GOLD 850W

vs

MSI MAG A850GL PCIE 5
be quiet! Dark Power 14 850W
VS
SeaSonic VERTEX PX-850
be quiet! Dark Power 14 850W

vs

SeaSonic VERTEX PX-850
MSI MAG A750GLS PCIE5
VS
MSI MAG A750GL PCIE 5
MSI MAG A750GLS PCIE5

vs

MSI MAG A750GL PCIE 5
NZXT C850 Gold Core
VS
CORSAIR RM850e (2025)
NZXT C850 Gold Core

vs

CORSAIR RM850e (2025)
CORSAIR RMx Series RM850x (2024)
VS
CORSAIR RMx Series RM1000x (2024)
CORSAIR RMx Series RM850x (2024)

vs

CORSAIR RMx Series RM1000x (2024)
CORSAIR HX1500i 2025
VS
EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W
CORSAIR HX1500i 2025

vs

EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W
be quiet! Pure Power 13 M 850W
VS
Cooler Master MWE 750 Bronze V2
be quiet! Pure Power 13 M 850W

vs

Cooler Master MWE 750 Bronze V2
    News
    Discover how NVIDIA's new RTX Spark superchip challenges Intel x86 and Apple Silicon with 1 Petaflop of local AI power and massive Blackwell graphics.
    NVIDIA RTX Spark: A New Threat to Intel x86 and Apple Chips
    Browse PC Parts
    Spotlight
    $214
    B760M GAMING WIFI PLUS
    Gigabyte B760M GAMING WIFI PLUS
    Trending PC Parts
    x