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Compare Lian Li SP Platinum 850W vs Cooler Master GX 450W

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  3. Lian Li SP Platinum 850W 🆚 Cooler Master GX 450W
Lian Li SP Platinum 850W and Cooler Master GX 450W are both power supplies with the same SATA Connectors (5). The main differences are in Wattage, Modular, Efficiency and PCI-Express 16 Pin 12VHPWR Connectors.
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Lian Li SP Platinum 850W SFX 12V-2x6 Connectors ATX 3.1 & PCIE 5.1 Fully Modular 105°C Capacitors 10 Year Warranty Black (SP0850P.B)
Lian Li SP Platinum 850W
Cooler Master GX 450W RS450-ACAAD3-US
Cooler Master GX 450W
Prices
(Change region)
In Stock
Free shipping
$142.99 ($155.99)
$13.00 promotional gift card w/ purchase, limited offer
In Stock
$155.99
Last updated 36 minutes ago.
In Stock
$164.99
Prices
(Change region)
Out of Stock
Free shipping
$189.00
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Brand
Lian Li
Brand
Cooler Master
Model
SP0850P.B
Model
RS450-ACAAD3-US
Release Date
📅 November 2025
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
850 W
Wattage
450 W
Type
SFX
Type
ATX
Modular
Full
Modular
No
Efficiency
80+ Platinum
Efficiency
80+ Bronze
Output
-
Output
+3.3V@24A, +5V@15A, +12V@35A, -12V@0.3A, +5VSB@2.5A
PCI-Express 16 Pin 12VHPWR Connectors
1
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
3
PCI-Express 6+2 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
1
EPS Connectors
2
EPS Connectors
1
SATA Connectors
5
SATA Connectors
5
Molex Connectors
2
Molex Connectors
3
Length
100 mm
Length
139 mm
-

Comparison and key differences summary

Reasons to buy the Lian Li SP Platinum 850W:

  • 24% cheaper, you can save $46.01
  • +400 Watts available
  • Fully modular power supply
  • Better 80 Plus efficiency
  • +3 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available

Buy now

Reasons to buy the Cooler Master GX 450W:

  • +1 Molex connectors available

Buy now

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