Thermal Grizzly has put a Noctua fan on its GPU power monitor and is charging 70 euros more for it. The WireView Pro II Noctua Edition arrived on September 27, 2026 with a suggested price of USD 219.90, or EUR 189.90, and its measurement hardware is identical to the standard model.
The device is a passthrough that sits between the power supply cable and the graphics card's 12V-2x6 connector. Thermal Grizzly says it measures current separately in every 12V wire instead of reporting one combined figure.
That per-pin reading is the whole argument for the product. Noctua says it makes uneven load distribution and potential contact issues visible early, before they lead to localized heating.
What the WireView Pro II Noctua Edition measures
The Thermal Grizzly product page lists continuous monitoring of current, voltage, temperature and power draw. Temperature is read at both the input and the output of the 12V-2x6 connector, and two external NTC sensors are included.
Readings go to a 320 by 170 pixel TFT-IPS color display that can be rotated 180 degrees in software. One view shows per-pin current in amps with a threshold marker, another shows per-pin voltage, and a third shows all four temperature sensors.
Cross a threshold and the device shows a visual warning and sounds an alarm. A supplied Y-splitter can also trigger an automatic system shutdown through the motherboard power circuit.
An onboard memory logs per-wire current, total power and the temperature near the output connector. Thermal Grizzly says the device works fully without software, with the optional PC application used for configuration and data export.
What Noctua contributed, and what it did not
Noctua supplied a 40mm frameless NF-A4x10n PWM fan, a custom fan grill designed around it, and the test data. Thermal Grizzly built the enlarged CNC-machined aluminum housing, the cooling plate and the thermal pad.
Noctua also got a display skin. The Noctua Edition ships with a default layout using the company's brown design elements, which can be swapped for other presets.
Nothing in either company's material says Noctua touched the sensing, the firmware, the alarms or the shutdown function. Thermal Grizzly states flatly that the Noctua Edition "retains the full functionality of the WireView Pro II", a platform it holds under European patent EP4250057.
So this is cooling and acoustics work, not co-engineered measurement. It is more than a color scheme, and less than a joint design. Thermal Grizzly approached Noctua, according to Noctua's announcement, after feedback that the standard model's fan was audible in very quiet builds. The two companies have worked together before, most recently on the Pulsar Feinmann F01 Noctua Edition mouse.
Noctua's own fan and noise figures
Noctua disabled every case fan to push in-case temperatures above 40C. At 200W, 250W and 300W of GPU load the Noctua Edition never started its fan, while the standard version spun up after 5 minutes 40 seconds at 200W.
At 400W and 480W both versions eventually ran their fans. Noctua measured 21.5 dB(A) at 10cm for its edition at just under 2000rpm, against 39.4 dB(A) for the standard unit at around 5000rpm.
Connector temperatures came in roughly 3C lower across the board. These are internal numbers published by Noctua, which also concedes that the regular WireView Pro II "is by no means loud". That caveat narrows the audience considerably.
What the monitor can and cannot prevent
The market here is obvious. NVIDIA lists the GeForce RTX 5090 at 575W of total graphics power, fed by a single 600W PCIe Gen 5 cable, and owners have described severe damage to that connector.
NVIDIA's own support note on the subject, updated November 18, 2022, says the company was aware of about 50 cases globally on the RTX 4090. Its stated finding was that "connectors are not fully plugged into the graphics card". NVIDIA has not published a failure rate since, and neither has Thermal Grizzly or Noctua.
That matters for what this device does. It reports, warns and logs, and it can cut the system off through the motherboard, but it cannot reseat a badly inserted plug.
Thermal Grizzly does not claim otherwise. Its warranty text covers damage occurring "despite proper use and the integrated protective mechanisms", and the company has had reported trouble with earlier WireView hardware.
Price, availability and the gaps
The Noctua Edition went on sale on announcement day through Thermal Grizzly and its sales partners, in Normal and Reversed connector orientations. Both include a two-year Thermal Grizzly warranty on the graphics card's 12VHPWR or 12V-2x6 connector, subject to the published terms.
As of October 3, 2026, Thermal Grizzly's own store listed it at 189,90 euros including VAT, with the English storefront showing $222.18 as a VAT-inclusive conversion rather than a separate US price. The standard black model sits at 119,90 euros on the same store.
Several things are not published. Neither the product page, the datasheet, the manual nor the measuring guide states a rated maximum current per pin, a power ceiling for the device, or any measurement accuracy figure. That is a strange omission for hardware sold on electrical safety. No US or UK retailer listings and no sterling price have been announced. The compatibility list is dated February 18, 2026 and covers only five card families, and prices can change.
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