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Compare Lian Li SP Platinum 1000W White vs Corsair RM550

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  3. Lian Li SP Platinum 1000W White 🆚 Corsair RM550
Lian Li SP Platinum 1000W White and Corsair RM550 are both power supplies with the same Modular (Full). The main differences are in Wattage, Efficiency, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.
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Lian Li SP Platinum 1000W White SFX 12V-2x6 Connectors ATX 3.1 & PCIE 5.1 Fully Modular 105°C Capacitors 10 Year Warranty (SP1000P.W)
Lian Li SP Platinum 1000W White
Corsair RM550 550W 80 PLUS Gold Modular
Corsair RM550
Prices
(Change region)
In Stock
$184.99
Last updated 0 minutes ago.
In Stock
Free shipping
$184.99
In Stock
$184.99
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Prices
(Change region)
Out of Stock
$119.99
-
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Pangoly Score (How do we rate?)
-
Pangoly Score (How do we rate?)
93
Brand
Lian Li
Brand
Corsair
Model
SP1000P.W
Model
  • CP-9020053-UK
  • CP-9020053-NA
  • CP-9020053-EU
Release Date
📅 November 2025
Release Date
📅 May 2014
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(148 reviews)
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Pros
-
Pros
  • Very good voltage regulation
  • Very good ripple suppression
  • Fully modular
  • Silent up to ~60% load
Cons
-
Cons
  • A bit loud under heavy load
Wattage
1000 W
Wattage
550 W
Type
SFX
Type
ATX
Modular
Full
Modular
Full
Efficiency
80+ Platinum
Efficiency
80+ Gold
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
2
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
2
EPS Connectors
1
SATA Connectors
5
SATA Connectors
6
Molex Connectors
2
Molex Connectors
4
Length
100 mm
Length
-
-

Comparison and key differences summary

Reasons to buy the Lian Li SP Platinum 1000W White:

  • Newer Product, it was released around 12 years later
  • +450 Watts available
  • Better 80 Plus efficiency
  • +1 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available

Buy now

Reasons to buy the Corsair RM550:

  • 35% cheaper, you can save $65.00
  • +1 SATA connectors available
  • +2 Molex connectors available

Buy now

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