DeepCool PN850D ATX v3.1 PSU Review

Box & Bundle

I got a pre-production sample for the review, which didn’t ship into the retail box, so the only photo I have to show you here is from my cat, Tom! He loves boxes, too!

Product Photos

The PSU is compact, with only 140mm depth. Its design is similar to the rest of DeepCool products, with the punched fan grille and large perforations allowing for good airflow. Around the back, you will find eleven sockets, including a 12V-2×6 one.

Cables

Captive Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (540mm) 1 1 18-20AWG No
4+4 pin EPS12V (740mm) 2 2 18AWG No
6+2 pin PCIe (580mm) 3 3 18AWG No
12+4 pin PCIe (630mm) (600W) 1 1 16-24AWG No
SATA (450mm+120mm+120mm+120mm) / 4-pin Molex (+120mm) 2 8 / 2 18AWG No

The EPS cables are extra long, but I cannot say the same for the main ATX cable, which ideally should be at least 600mm long to avoid compatibility issues at large chassis. The number of cables and connectors provided is adequate. I won’t complain about the two 4-pin Molex connectors, asking for an additional one, since this PSU only has native cables, so you should not expect a load of cables and connectors. Lastly, there is no need for thicker gauges on the high-power cables, except for the 12V-2×6 cable, which in this PSU can deliver up to 600W. Lastly, all cables are flat and stealthy.

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4 thoughts on “DeepCool PN850D ATX v3.1 PSU Review

  1. Thanks as always for the review, Aris! This unit appears to be similar to the PM-D except with Deepcool’s square grille pattern; the PM-D has been very affordable in many countries, so it is good to see that it is decent enough to use.
    The idea of somewhat budget, high-power and ATX 3.x compatible PSUs is interesting to me because, at least in my mind, by the time you have a 3090 or something else that might justify getting an 850W power supply, your PC should be high end enough that the extra $20-30 for something like the excellent PX-G line might not matter.
    Still, I think that especially in the future, there might be a niche for these, as once the 3090 and 3090 ti become older, they will become more available on the used market, which will make them promising midrange options that will still have the same power requirements. I think that something like this can fill that niche very nicely.

  2. Hi Aris. Please look with more attention on PCB back side, is a broken copper circuit (close to D20). How is that possible? Protection circuit not working on all voltage rail?

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