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Compare Lian Li SP Platinum 1000W White vs Antec EarthWatts Platinum 550W

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  3. Lian Li SP Platinum 1000W White 🆚 Antec EarthWatts Platinum 550W
Lian Li SP Platinum 1000W White and Antec EarthWatts Platinum 550W are both power supplies with the same Efficiency (80+ Platinum) and SATA Connectors (5). The main differences are in Wattage, Modular, 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
Antec EarthWatts Platinum 550W 80 PLUS Platinum EA-550
Antec EarthWatts Platinum 550W
Prices
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In Stock
$184.99
Last updated 39 minutes ago.
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$184.99
In Stock
$184.99
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Pangoly Score (How do we rate?)
-
Pangoly Score (How do we rate?)
88
Brand
Lian Li
Brand
Antec
Model
SP1000P.W
Model
  • EA-550
  • EA-550 Platinum
Release Date
📅 November 2025
Release Date
📅 September 2013
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(10 reviews)
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Pros
-
Pros
  • 80PLUS Platinum
  • Low price for Platinum unit
  • Very quiet
Cons
-
Cons
  • Not modular
  • Voltage regulation could be better
Wattage
1000 W
Wattage
550 W
Type
SFX
Type
ATX
Modular
Full
Modular
No
Efficiency
80+ Platinum
Efficiency
80+ Platinum
Output
-
Output
+5V@16A, +3.3V@16A, +12V1@30A, +12V2@30A, +12V3@30A, +12V4@30A, -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
5
Molex Connectors
2
Molex Connectors
4
Length
100 mm
Length
139 mm

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
  • Fully modular power supply
  • +1 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available

Buy now

Reasons to buy the Antec EarthWatts Platinum 550W:

  • +2 Molex connectors available

Buy now

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