SilverStone Hela 2500Rz ATX v3.1 PSU Review

Box & Bundle

The box is enormous and heavy, since it contains an equally large (and heavy) PSU. At its face, there is a photo of the PSU along with several badges depicting efficiency and ATX v3.1 compatibility.

Product Photos

The fan grille of this huge PSU has average-sized perforations. SilverStone should opt for a less restrictive fan grille to increase airflow. At the PSU’s front side, there is a massive power switch, a smaller one for the fan-stop feature, and an IEC 60320 C20 receptacle which can handle up to 16A of current. On the sides, the stickers are plain, depicting the model number and the efficiency level.

The modular panel around the back includes 17 sockets, four of which are of the 12V-2×6 type.

Cables

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 24 pin (600mm) 1 1 16-18AWG No
4+4 pin EPS12V (600mm) 4 4 16AWG No
6+2 pin PCIe (650mm+150mm) 2 4 16-18AWG No
6+2 pin PCIe (600mm) 3 3 16AWG No
12+4 pin PCIe (600mm) (600W) 4 4 16-24AWG No
SATA (550mm+105mm+105mm+105mm) 3 12 18AWG No
4-pin Molex (550mm+105mm+105mm+105mm) 1 4 18AWG No

The PSU has many cables, including four EPS, five legacy PCIe, and four 12V-2×6! The last can deliver 2400W alone and 4800W under transient loads! Given the PSU’s enormous capacity, I expected longer ATX and especially EPS cables, since such powerful PSUs will most likely be installed in large chassis. Moreover, the distance between the peripheral connectors is low at just 105mm. Lastly, all cables are flat and stealthy thanks to their black-colored gauges.

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