Articles: Cases/PSU

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Circuit Design

Like most newcomers to the PSU business, NZXT employs third-party platforms rather than its own inventions. Introduced in the fall of 2011, the HALE82 series is supplied by Seasonic, one of the leading PSU developers. The platform is even newer than Seasonic’s own Bronze-certified PSUs we tested earlier.

The different HALE82 series models are almost identical inside and look very advanced for mainstream products (we guess that 80 PLUS Bronze certification is not a top-end product’s feature anymore).

Not often to be seen in mainstream PSUs, there is dedicated voltage regulation based on DC-DC converters here.

The +5V and +3.3V converters are located on a small card you can find between the transformer and the massive heatsink with power components.

Besides the converter card, there are two more daughter cards here: one with a PWM controller CM6802TBHX and another with a monitoring chip PS223.

There are as many as four heatsinks here. They are not large, yet larger than those of Seasonic’s more efficient Gold-certified PSUs.

Besides conventional filters, the mains connector is screened with a copper plate to reduce electromagnetic interference.

There are Nippon Chemi-Con’s KZE series electrolytic capacitors at the output. They are reputed to be high-quality components. Every electrolytic capacitor is rated for an operating temperature of 105°C.

Cables and Connectors

The NZXT HALE82-650-M model is equipped with the following cables and connectors:

  • One mainboard cable with a 20+4-pin connector (53 cm long)
  • One CPU cable with a 4+4-pin connector (70 cm)
  • One graphics card cable with two 6+2-pin connectors on each (55+10 cm)
  • Two connectors for graphics card or CPU cables
  • Four connectors for peripheral power cables

Included with the PSU are:

  • One CPU cable with an 8-pin connector (55 cm)
  • One graphics card cable with two 6+2-pin connectors (55+10 cm)
  • Two cables with three PATA power connectors on each (55+15+15 cm)
  • Two cables with three SATA power connectors on each (56+15+15 cm)

The 750-watt model additionally has a detachable cable with two SATA power connectors (35+16 cm) whereas the 850-watt model also has a second fixed cable with two 6+2-pin graphics card connectors.

The connectors of the modular cables are labeled so that you couldn’t confuse them with another PSU’s. Thus, the HALE82 series offer quite a lot of cables. We are especially pleased with the CPU power cable which is going to be long enough for system cases with a bottom PSU bay and a dedicated cable compartment behind the mainboard.

It must be noted, however, that they offer not a single floppy-drive plug. Although floppy drives proper are hardly ever used these days, there are some devices that get their power through this type of connector, e.g. the 5.25-inch control units of Creative’s X-Fi audio cards with PCI interface. Of course, you can use an adapter from a PATA power connector, but it is not included with these PSUs.

The detachable cables are rather stiff. Although flat, they are not as flexible as cables of Enhance or FSP products, for example. They can be compared to ordinary nylon-sleeved cables in this respect.


The specifications meet today’s requirements. The PSUs can yield almost all of their output power via the +12V rail alone. The +12V rail itself is solid rather than split into multiple output lines. The single difference between the PSUs is in the load capacity of that rail: 53, 62 and 70 amperes for the 650, 750 and 850 unit, respectively. The rest of the specs are identical.

We can remind you that NZXT’s HALE82 series is 80 PLUS Bronze certified.

UPS Compatibility

The HALE82 series PSUs all showed the same behavior with our uninterruptible power supply (APC SmartUPS SC 620). They were stable at loads up to 365-375 watts when powered by the mains and could switch to the UPS’s batteries at 285-290 watts.

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