Compare Power Supplies

Compare Seasonic FOCUS FM SSR-450FM 450W vs FOCUS FM SSR-550FM 550W

  1. Compare
  2. Power Supplies
  3. Seasonic FOCUS FM SSR-450FM 450W 🆚 Seasonic FOCUS FM SSR-550FM 550W
Seasonic FOCUS FM SSR-450FM 450W and Seasonic FOCUS FM SSR-550FM 550W are both power supplies with the same Modular (Semi), Efficiency (80+ Gold) and PCI-Express 6+2 Pin Connectors (2). The main differences are in Wattage and SATA Connectors.
Save comparison
Seasonic FOCUS FM SSR-450FM 450W 80 PLUS Gold Semi-Modular
Seasonic FOCUS FM SSR-450FM 450W
Seasonic FOCUS FM SSR-550FM 550W 80 PLUS Gold Semi-Modular
Seasonic FOCUS FM SSR-550FM 550W
Prices
(Change region)
-
Buy now
Prices
(Change region)
Out of Stock
Free shipping
$79.99
Out of Stock
Free shipping
$79.99
Out of Stock
Free shipping
$98.99
Show 2 more offers
* 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-450FM
Model
SSR-550FM
Release Date
📅 October 2018
Release Date
-
* 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
550 W
Type
ATX
Type
ATX
Modular
Semi
Modular
Semi
Efficiency
80+ Gold
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
6
Molex Connectors
3
Molex Connectors
3
Length
140 mm
Length
140 mm

Comparison and key differences summary

Reasons to buy the Seasonic FOCUS FM SSR-450FM 450W:

Buy now

Reasons to buy the Seasonic FOCUS FM SSR-550FM 550W:

  • +100 Watts available
  • +2 SATA connectors available

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