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Kolink Continuum KL-C1500PL PSU Review: Miner's Delight?

Load Regulation, Hold-Up Time & Inrush Current

To learn more about our PSU tests and methodology, please check out How We Test Power Supply Units. 

Primary Rails And 5VSB Load Regulation

Load Regulation testing is detailed here.

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Hold-Up Time

Our hold-up time tests are described in detail here.

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Neither the hold-up time nor the power-good signal satisfy the ATX spec's requirements. At least the power-good signal is accurate. You should avoid any PSU that reports this signal falsely; it'll apply a lot of stress to your system's components any time power is lost.

Inrush Current

For details on our inrush current testing, please click here.

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For such a high-capacity PSU, the inrush current is pretty low with both voltage inputs.

Load Regulation And Efficiency Measurements

The first set of tests reveals the stability of the voltage rails and the KL-C1500PL's efficiency. The applied load equals (approximately) 10 to 110 percent of the PSU's maximum load in increments of 10 percentage points.

We conducted two additional tests. During the first, we stressed the two minor rails (5V and 3.3V) with a high load, while the load at +12V was only 0.1A. This test reveals whether a PSU is compatible with Intel's C6/C7 sleep states or not. In the second test, we determined the maximum load the +12V rail could handle with minimal load on the minor rails.

Test #12V5V3.3V5VSBDC/AC (Watts)EfficiencyFan SpeedPSU NoiseTemps (In/Out)PF/AC Volts
110.486A1.969A1.984A0.983A149.51787.838%0 RPM<6.0 dB(A)44.64°C0.977
12.199V5.077V3.325V5.090V170.21937.96°C115.77V
222.065A2.961A2.988A1.183A299.64890.432%1155 RPM31.8 dB(A)38.57°C0.981
12.180V5.065V3.312V5.074V331.35345.60°C115.56V
334.012A3.461A3.481A1.384A449.61191.215%1390 RPM36.8 dB(A)39.13°C0.988
12.161V5.056V3.302V5.057V492.91246.44°C115.46V
445.957A3.963A4.007A1.587A599.66192.144%1442 RPM38.1 dB(A)39.37°C0.980
12.152V5.047V3.292V5.040V650.78646.90°C115.36V
557.635A4.964A5.030A1.792A749.84191.721%1843 RPM43.3 dB(A)39.88°C0.982
12.134V5.036V3.280V5.023V817.52247.70°C115.15V
669.327A5.971A6.060A1.998A899.91691.214%2160 RPM46.9 dB(A)40.98°C0.986
12.118V5.025V3.268V5.006V986.59549.18°C115.02V
781.029A6.981A7.096A2.205A1050.04590.695%2310 RPM49.5 dB(A)42.16°C0.990
12.106V5.014V3.256V4.989V1157.77650.52°C114.77V
892.650A7.997A8.139A2.415A1200.22289.948%2310 RPM49.5 dB(A)43.53°C0.992
12.108V5.003V3.244V4.971V1334.35352.24°C114.62V
9104.572A8.511A8.657A2.419A1349.92589.407%2320 RPM49.5 dB(A)45.86°C0.993
12.120V4.994V3.235V4.962V1509.87054.67°C114.47V
10116.182A9.028A9.212A3.047A1499.93688.691%2320 RPM49.5 dB(A)46.02°C0.994
12.138V4.985V3.225V4.925V1691.19055.13°C114.21V
11128.320A9.040A9.229A3.051A1649.82288.167%2320 RPM49.5 dB(A)47.61°C0.995
12.158V4.979V3.218V4.916V1871.25357.08°C114.06V
CL10.735A14.002A13.997A0.000A125.18481.838%2290 RPM49.4 dB(A)44.10°C0.979
12.204V5.025V3.276V5.125V152.96647.33°C115.78V
CL2125.006A1.000A0.998A1.000A1533.12188.672%2320 RPM49.5 dB(A)46.73°C0.995
12.158V5.021V3.262V5.021V1728.98353.87°C114.18V

Load regulation on the +12V rail is tight enough, it's decent at 5V, and fairly mediocre on the 3.3V and 5VSB rails. The 5VSB rail registers the worst performance with close to 4% deviation. Fortunately, load regulation on that rail doesn't matter much so long as the voltage levels stay within spec.

This PSU's efficiency meets the 80 PLUS Platinum requirements with 20% load, and it comes pretty close with 50% and full load, even at the very high ambient temperatures we use during our measurements. Clearly, the platform is resilient to heat; it delivers more than its full power at close to 48°C. You'll simply have to tolerate a super-noisy fan. Enhance tunes its speed profile aggressively to keep air moving through the internals. But for a PSU mostly aimed at miners, this is logical.


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  • ozicom
    "The problem we see is that all eight-pin connectors have the same pattern, making it possible to accidentally connect an EPS cable to a PCIe socket and vice versa." Well I had a fully modular PSU in past and you can't connect eight pin of EPS to PCIe because the sockets may look same but they're not. If you look closer on top left two sockets of black and blue eight pins the notches are not same so you can't connect it. But if you tried and connect it it's a problem of course.
    Reply