This review's main subject is Lian Li's new SFX PSU, the SP750, which has enough power to support a strong gaming system.
Read the full review at TechPowerUp: [ Ссылка ]
This is the first SFX platform from Helly Technology I have seen, and I am impressed. With some changes, this platform has the potential to face off against Great Wall's excellent SFX design used by the Corsair SF Platinum and Gold models. For starters, I would suggest providing inrush current protection, which won't affect performance, but will increase production cost, and tune the EMI filter to lower EMI emissions. The hold-up time should be close to or above 17 ms, but there is no space to install large enough bulk capacitors in such small units with increased power output, so users should be willing to compromise in this regard. Even Corsair's top SF750 Platinum cannot exceed 12 ms hold-up time.
At $140 in the US and a price close to €130 in the EU, the Lian Li SP750 is a very good choice. With some changes that wouldn't affect its price tag dramatically, this platform would offer increased usability and higher performance, forcing Great Wall to update its excellent SFX platform, which has for quite some time now been the performance king in my charts. I expect to see more by Helly Technology, and kudos to Lian Li for cooperating with this capable OEM.
Pros 👍
• Good price for an SFX 750 W unit
• High power density
• Delivered full power at 46°C
• High overall performance
• Efficient
• Tight load regulation at +12 V
• Good ripple suppression on all rails
• Close to 70% efficiency with 2% load
• Good transient response on all rails
• Highly efficient 5VSB rail
• Low vampire power
• Two EPS and three PCIe cables
• Individually sleeved cables (ATX, EPS, and PCIe)
• Brushed aluminium finish
• Fully modular
• Five-year warranty
Cons 👎
• Increased noise output
• Hold-up time below 17 ms
• Both EPS connectors are on the same cable
• The modular panel's sockets could be installed differently for easier removal of the modular cables
• High OCP triggering points on all rails
• Loose load regulation on the minor rails
• Average PF with 230 V could be higher
• High inrush current with 230 V
• Not compatible with the alternative sleep mode
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