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Compare Lian Li SP750 vs RB750

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  2. Power Supplies
  3. Lian Li SP750 🆚 Lian Li RB750
Lian Li SP750 and Lian Li RB750 are both power supplies with the same Wattage (750 W), PCI-Express 6+2 Pin Connectors (3) and EPS Connectors (2). The main differences are in Modular, Efficiency, PCI-Express 16 Pin 12VHPWR Connectors and SATA Connectors.
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Lian Li SP750 750W 80+ Gold Fully Modular
Lian Li SP750
Lian Li RB750 80 Plus Bronze Non Modular ATX 750W 12+4Pin Connector ATX 3.1 & PCIe 5.1 135mm Fan Active PFC (RB0750B)
Lian Li RB750
Prices
(Change region)
In Stock
Free shipping
$207.87
Prices
(Change region)
In Stock
$69.90
Last updated 23 minutes ago.
In Stock
Free shipping
$69.99
In Stock
$69.99
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Brand
Lian Li
Brand
Lian Li
Model
SP750
Model
  • RB0750B
  • G9P.RB0750B.B000
  • G9P.RB0750B.B000.EU
Release Date
-
Release Date
📅 October 2025
* 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
750 W
Wattage
750 W
Type
SFX
Type
ATX
Modular
Full
Modular
No
Efficiency
80+ Gold
Efficiency
80+ Bronze
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
3
PCI-Express 6+2 Pin Connectors
3
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
2
EPS Connectors
2
SATA Connectors
8
SATA Connectors
5
Molex Connectors
4
Molex Connectors
2
Length
100 mm
Length
150 mm

Comparison and key differences summary

Reasons to buy the Lian Li SP750:

  • Fully modular power supply
  • Better 80 Plus efficiency
  • +3 SATA connectors available
  • +2 Molex connectors available

Buy now

Reasons to buy the Lian Li RB750:

  • 66% cheaper, you can save $137.97

Buy now

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