Corsair SF750 SFX Fully Modular 80 PLUS Platinum vs Lian Li SP750

Researched, not hands-on tested.How we review ›

all judged against power supplies at a similar price

The Corsair SF750 SFX Fully Modular 80 PLUS Platinum scores 7.4/10 overall, ahead of the Lian Li SP750 at 5.9/10.

The Corsair SF750 SFX Fully Modular 80 PLUS Platinum leads on quality and protections, efficiency, cabling and connectors, noise and warranty.

Corsair SF750 SFX Fully Modular 80 PLUS Platinum

7.4/10verdict: good, not the best

The Corsair SF750 is a 750 W SFX power supply for small-form-factor builds that need a modern GPU cable. It suits buyers who want Platinum efficiency, quiet running and ATX 3.1 support in a compact case. It fits a single-GPU system better than a build that needs many PCIe 8-pin connectors.

Typically about £137.97 in the UK when we researched itSearch Amazon UK

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Lian Li SP750

5.9/10verdict: good, not the best

The Lian Li SP750 is a 750 W SFX power supply for compact builds that need a fully modular unit with an 80 PLUS Gold rating. It suits builders who want quiet running and flexible braided cables in a small case. It is a weaker fit for anyone who needs a native 12V-2x6 cable or many SATA connectors.

Typically about £109.99 in the UK when we researched itSearch Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	Corsair SF750 SFX Fully Modular 80 PLUS Platinum	Lian Li SP750
Quality and protections	30%	7/10	6/10
Efficiency	20%	9/10	7/10
Cabling and connectors	20%	7/10	5/10
Noise	15%	7/10	6/10
Warranty	15%	7/10	5/10
Overall		7.4/10	5.9/10

Specifications

Spec	Corsair SF750 SFX Fully Modular 80 PLUS Platinum	Lian Li SP750
Rated output (W)	750 W continuous; +12V rated 62.5 A / 750 W	750 W maximum DC output; +12V 744 W; +3.3V/+5V 100 W combined
Efficiency rating (80 Plus or Cybenetics)	80 PLUS Platinum; Cybenetics Efficiency Platinum; Cybenetics Noise A-	80 PLUS Gold
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x support	SFX, 100x125x63.5 mm	SFX, 100 x 63.5 x 125 mm (D x W x H)
Modular cabling (fully, semi or non-modular)	Fully modular, Type-5 Micro-Fit connectors	Fully modular
Graphics card connectors (12V-2x6 / 12VHPWR and PCIe 8-pin count)	1x 12VHPWR (12+4-pin) 400 mm; 2x PCIe 8-pin (6+2) 400 mm; 8 SATA, 3 PATA, 2 EPS	Three PCIe 8-pin (6+2) outputs; one CPU, two SATA and one peripheral connector listed by manufacturer; no 12V-2x6 or 12VHPWR cable listed
Fan size and zero-fan mode	92 mm PWM, fluid dynamic bearing, Zero RPM mode	One 92 mm hydraulic-bearing fan; zero-RPM mode until 40% load
Warranty (years)	7 years	5 years

Strengths and weaknesses

Corsair SF750 SFX Fully Modular 80 PLUS Platinum

+ 80 PLUS Platinum with 95% reported at 400 W
+ Native 12VHPWR cable and ATX 3.1 compliance
+ Low ripple and quiet running praised by reviewers
− Fan becomes audible under heavy load, owners say
− Only two PCIe 8-pin cables supplied
− Hold-up time called weak in one review

Skip it if:

Buyers building a multi-GPU or high-draw system needing many PCIe 8-pin connectors.
Anyone who wants silence even when the system runs near full load for long periods.
Buyers who need the strongest hold-up time for unstable mains conditions.

Read the full Corsair SF750 SFX Fully Modular 80 PLUS Platinum review ›

Lian Li SP750

+ Fully modular with braided cables
+ 80 PLUS Gold; 90.23% efficiency measured at 808 W
+ Several owners praise quiet operation
− No 12V-2x6 or 12VHPWR cable listed
− Some owners report fan spinning up at idle
− Only two SATA connectors listed

Skip it if:

Buyers with a new NVIDIA card who want a native 12V-2x6 cable
Builders with many SATA drives who need more than two connectors
Anyone who needs a fan that stays fully silent at idle

Read the full Lian Li SP750 review ›

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