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Lian Li PE-750 SFX-L 750W PSU Review

Lian Li enters the PSU market again with two new SFX-L models featuring 550 W and 750 W capacities. The PE-750 is under the microscope today. It features modular cabling, a single +12V rail, and a semi-passive fan.

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Packaging, Contents, Exterior, And Cabling

Packaging

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The box is plain-looking. Lian Li doesn't even bother with diagrams, graphs, or text about the PE-750's features. There's a photo on the front showing the modular panel, along with a capacity description and 80 PLUS Platinum badge. Strangely enough, not even the model number is provided.

Contents

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The outside of the box might lack detail, but inside the PE-750 is well-protected by packing foam. At least Lian Li doesn't cut any corners there.

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A small pouch contains the modular cables, two set of screws, and the AC power cord. In addition, the aforementioned SFX to ATX adapter comes bundled. What you won't find are zip ties or Velcro straps, and there is no manual included either. Although most of us don't bother reading the documentation, we think it should still be part of the packaging.

Exterior

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The punched fan grill looks nice and doesn't block airflow. Up front, the power switch is installed under the AC receptacle with the fan grille facing upwards. Since this is a semi-passive PSU with no option to turn that feature off, the grille should always point up to avoid trapping hot air inside when the fan isn't spinning. Lian Li needs to note this somewhere on the box or on a sticker attached to the PSU.

There's a large power specifications table on one of the PSU's sides.

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The modular panel feature nine sockets. The blue ones are for PCIe cables, while the black eight-pin corresponds to the single EPS cable. Finally, the red four-pin socket hosts the ATX connector's extra sense wires.

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Compact dimensions, appealing looks, and a decent-quality finish that isn't prone to fingerprints are all qualities the PE-750 offers. Its heat sinks with long fins tip us off that Enhance manufactures the platform.

Cabling

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As mentioned, the main ATX cable features four extra sense wires that help this PSU achieve tighter load regulation. All cables are stealth and flat, so they won't interfere with airflow. In addition, your build process should be easier since flat cables are easier to route than round cables. However, since SFX-L PSUs don't have much space for filtering capacitors, it might have been a good idea to use normal cables with extra caps attached for improved ripple suppression.

9 Comments Comment from the forums
  • blazorthon 28 September 2016 14:38
    That's an embarrassing showing from Lian-Li.
    Reply
  • Aris_Mp 28 September 2016 16:21
    For the SFX-L standards actually it is quite good. There is next to zero competition in this field. With a few part changes this platform has potential, however I don't know if it could keep efficiency at the same high levels.
    Reply
  • shrapnel_indie 28 September 2016 18:05
    Lian Li is supposed to be a premium brand. Just look how expensive (and the usual quality of) their cases are when you can find them. By the numbers and its internals, this doesn't look like a premium brand product, regardless of how much or how little competition they got in a given market.

    Lian Li, have you decided to no longer be a true premium brand?
    Reply
  • Valantar 29 September 2016 21:40
    Definitely disappointing. Looks like Lian Li is going for the "money to burn, don't care" market. This PSU had amazing promise, but the choice of fan, the too-small caps and the short warranty make this unbuyable. Now, I don't have empirical data to base this on, but I'd guess most people springing $160 on a PSU - SFX or not - want it to last more than 2-3 years. And using a fan that's both short-lived _and_ unsuitable for horizontal mounting? That's just idiotic.
    Reply
  • Virtual_Singularity 30 September 2016 05:05
    Solid review, as always, great job Aris. Even if this isn't an ideal psu, Lian Li is a quality brand, a quality case brand. However, its worth noting that of the ample (edit: particularly sfx/sfxl) PSU's Enhance has OEM'd for various brands, this one has to be among the best of them. Even if Lian Li introduced an absolutely horrible psu, wouldn't matter much to their fans, its the quality they put into many of their cases that's most important. Even if they cave more than they already have to the recent case trends, I hope they still keep producing no nonsense cases for that niche market that still values them.
    Reply
  • Valantar 01 October 2016 08:06
    18666014 said:
    Solid review, as always, great job Aris. Even if this isn't an ideal psu, Lian Li is a quality brand, a quality case brand. However, its worth noting that of the ample PSU's Enhance has OEM'd for various brands, this one has to be among the best of them. Even if Lian Li introduced an absolutely horrible psu, wouldn't matter much to their fans, its the quality they put into many of their cases that's most important. Even if they cave more than they already have to the recent case trends, I hope they still keep producing no nonsense cases for that niche market that still values them.

    Sure, Lian Li makes great cases (although IMHO they too often screw up their nice minimalist looks with unnecessary clutter, and they're way behind the times in a few usability/ease of build areas today). But how does this relate to this PSU? In no way at all. Lian Li might be "a quality brand, a quality case brand", but that does nothing to change the fact that this is a premium priced PSU built with mind-boggling cost cutting in key areas, making its lifetime radically shorter than it should be. This would barely be okay for a $60 PSU. For a $160 unit, it's not only a deal breaker, it's about on the same level as the engineers shouting "F*ck you!" to every individual buyer.
    Reply
  • Virtual_Singularity 01 October 2016 10:33
    18670375 said:
    18666014 said:
    Solid review, as always, great job Aris. Even if this isn't an ideal psu, Lian Li is a quality brand, a quality case brand. However, its worth noting that of the ample PSU's Enhance has OEM'd for various brands, this one has to be among the best of them. Even if Lian Li introduced an absolutely horrible psu, wouldn't matter much to their fans, its the quality they put into many of their cases that's most important. Even if they cave more than they already have to the recent case trends, I hope they still keep producing no nonsense cases for that niche market that still values them.

    Sure, Lian Li makes great cases (although IMHO they too often screw up their nice minimalist looks with unnecessary clutter, and they're way behind the times in a few usability/ease of build areas today). But how does this relate to this PSU? In no way at all. Lian Li might be "a quality brand, a quality case brand", but that does nothing to change the fact that this is a premium priced PSU built with mind-boggling cost cutting in key areas, making its lifetime radically shorter than it should be. This would barely be okay for a $60 PSU. For a $160 unit, it's not only a deal breaker, it's about on the same level as the engineers shouting "F*ck you!" to every individual buyer.

    Fwiw, I've no need of this form factor in a psu, so I'm really not bothered by it so much. But take the comment Aris made above into account. TBH, it'd be very easy to come to your conclusion if not for this psu being in the SFXL category. It really is one of the better ones I've seen reviewed, despite the short warranty. A shorter warranty is typical of the latest comparable units, (Silverstone, for example, has 2-3 years depending on location) the exception being Corsair, possibly. I say possibly because I don't know how their latest sfx units, despite having a longer warranty, compare with this one in overall efficiency, performance. and size.

    The latest platinum/titanium rated SFX/SFX-L units carry a price premium. For those demanding a sfx-l unit, the one reviewed above is among the best performers, regardless of it's short warranty.
    Reply
  • blazorthon 03 October 2016 12:52
    Problem is that it has multiple issues that are not inherent of being a smaller form factor such as SFX. Lian Li could have simply used a better, same-sized fan. There is also enough room for better caps. Being expensive just because of its efficiency with no regard for long-term reliability is idiotic and contradictory to being a high-end PSU in the first place.
    Reply
  • gadgety 05 October 2016 16:49
    Great to highlight the weaknesses of this PSU. How does it compare to the Silverstone SX700-LPT? Which one is best. Do a shootout, or do an comparison piece.
    Reply