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Compare Seasonic G12 GC 550W vs CORSAIR RM1000x SHIFT 2025

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  2. Power Supplies
  3. Seasonic G12 GC 550W 🆚 CORSAIR RM1000x SHIFT 2025
The main differences between Seasonic G12 GC 550W and CORSAIR RM1000x SHIFT 2025 are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.
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Seasonic G12 GC 550W 80 Plus Gold ATX 12V G12-GC-550
Seasonic G12 GC 550W
CORSAIR RM1000x SHIFT 2025 Fully Modular ATX Side Interface Native 12V-2x6 Cable ATX 3.1 & PCIe 5.1 105°C-Rated Capacitors Cybenetics Gold CP-9020300-NA
CORSAIR RM1000x SHIFT 2025
Prices
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Prices
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In Stock
$182.99
Last updated 30 minutes ago.
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$182.99
In Stock
$197.99
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Brand
Seasonic
Brand
Corsair
Model
G12-GC-550
Model
  • CP-9020300-NA
  • CP-9020300-EU
  • CP-9020300-UK
  • CP-9020300-AU
Release Date
📅 August 2021
Release Date
📅 November 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Wattage
550 W
Wattage
1000 W
Type
ATX
Type
ATX
Modular
No
Modular
Full Shifted
Efficiency
80+ Gold
Efficiency
-
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 16 Pin 12VHPWR Connectors
1
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 6+2 Pin Connectors
1
PCI-Express 6+2 Pin Connectors
4
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
1
EPS Connectors
2
SATA Connectors
3
SATA Connectors
12
Molex Connectors
3
Molex Connectors
4
Length
140 mm
Length
160 mm
-

Comparison and key differences summary

Reasons to buy the Seasonic G12 GC 550W:

Buy now

Reasons to buy the CORSAIR RM1000x SHIFT 2025:

  • Newer Product, it was released around 4 years later
  • +450 Watts available
  • Fully modular power supply
  • +3 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available
  • +9 SATA connectors available
  • +1 Molex connectors available

Buy now

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