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Compare Lian Li SP Platinum 1000W vs ROSEWILL PHOTON-550

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  3. Lian Li SP Platinum 1000W 🆚 ROSEWILL PHOTON-550
Lian Li SP Platinum 1000W and ROSEWILL PHOTON-550 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 SFX 12V-2x6 Connectors ATX 3.1 & PCIE 5.1 Fully Modular 105°C Capacitors 10 Year Warranty Black (SP1000P.B)
Lian Li SP Platinum 1000W
ROSEWILL PHOTON-550 80 Plus Gold 550W Full Modular 550W
ROSEWILL PHOTON-550
Prices
(Change region)
In Stock
$178.99
Last updated 20 minutes ago.
In Stock
Free shipping
$178.99
In Stock
$184.99
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Prices
(Change region)
Out of Stock
Free shipping
$79.99
-
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Brand
Lian Li
Brand
Rosewill
Model
SP1000P.B
Model
PHOTON-550
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
1000 W
Wattage
550 W
Type
SFX
Type
ATX
Modular
Full
Modular
Full
Efficiency
80+ Platinum
Efficiency
80+ Gold
Output
-
Output
+3.3V@20A,+5V@20A,+12V@45.9A,-12V@0.3A,+5VSB@3A
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
3
Length
100 mm
Length
160 mm

Comparison and key differences summary

Reasons to buy the Lian Li SP Platinum 1000W:

  • +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 ROSEWILL PHOTON-550:

  • 55% cheaper, you can save $99.00
  • +1 SATA connectors available
  • +1 Molex connectors available

Buy now

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