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C850 Gold ATX 3.1

4.3

Rated 4.3 out of 5 stars

4.3 Stars (4 Reviews)

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Sale price$124.99Regular price$149.99

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Starting at $11/mo with Affirm. Check your purchasing power

Color:White

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Ships by May 28th

Complete With

Kraken Elite 280 RGBSale priceStarting at $159.99Regular price$274.99

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Key Specs

Compatible Devices: PC
Output Wattage: 850 Watts
Form Factor: ATX
Wattage: 850 Watts
Cooling Method: Air
Item Dimensions (L × W × H): 9 × 5 × 13 inches
Item Weight: 4 Pounds

Inside the Box

C850 Gold
24-Pin ATX Power Cable
4+4-pin CPU Power Cable
8-pin CPU Power Cable
6+2-pin PCIe Power Cable x3
16-pin (12+4) 12V-2x6 PCIe Cable
SATA Cable x3
Peripherals Cable
6-32 Screws x4
AC Power Cord

Warranty & Return Policy

NZXT Product Warranty Length click here
NZXT.com Store Returns/Exchange Policy

Eligible products qualify for a refund or exchange only with an authorized RMA number and the item is returned to the NZXT.com Store inventory within 30 days of purchase. Returns are not allowed beyond 30 days of the purchase date.

The NZXT.com Store reserves the right to deny any return or exchange. Refunds will be credited to the original method of payment. To initiate a return, simply submit a request.

Your Prepay and Save Options

Choose the plan that works best for you.

Month-to-Month

Cancel and return anytime with no fees. This option provides maximum flexibility with no long-term obligations.

Prepaid Terms

Prepay for a multi-month term (3, 6, 12 months) and lock in a lower effective monthly rate.

When your term ends, you have simple options:

Month-to-Month: By default, your subscription automatically converts to the month to month rate requiring no action from you.

Prepay Again: Alternatively, you can choose to prepay for another 3, 6, or 12 month term.

End Subscription: Cancel and return with no fees.

C850 Gold ATX 3.1Sale price$124.99Regular price$149.99

Add to Cart

Choose options

C850 Gold ATX 3.1Sale price$124.99Regular price$149.99

C850 Gold ATX 3.1

4.3

Rated 4.3 out of 5 stars

4.3 Stars (4 Reviews)

Sale price$124.99Regular price$149.99

Color:White

BlackWhite

Decrease quantityIncrease quantity

Add to Cart

Your Prepay and Save Options

Choose the plan that works best for you.

Month-to-Month

Cancel and return anytime with no fees. This option provides maximum flexibility with no long-term obligations.

Prepaid Terms

Prepay for a multi-month term (3, 6, 12 months) and lock in a lower effective monthly rate.

When your term ends, you have simple options:

Month-to-Month: By default, your subscription automatically converts to the month to month rate requiring no action from you.

Prepay Again: Alternatively, you can choose to prepay for another 3, 6, or 12 month term.

End Subscription: Cancel and return with no fees.

View details

Overview

Designed for maximum performance with minimal noise, NZXT C Series Gold ATX 3.1 PSUs are ready to fuel the demands of top-tier GPUs and CPUs.

Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance.
Durable, heat-resistant 12V-2x6 connector pumps up to 600 watts to NVIDIA® GeForce RTX™ 50 Series graphics cards.
135mm fluid dynamic bearing fan with Zero Fan Mode is completely silent when under 50% load.
100% premium Japanese capacitors improve hold-up time and minimal ripple noise, ensuring reliable and stable power delivery.
Fully modular design allows for only connecting essential cables, reducing clutter for better airflow and a neater build.
Compact form factor frees up valuable room for cable management and more case airflow.
Thanks to high-quality construction and rigorous product testing, NZXT PSUs are backed by a 10-year warranty.

NZXT Gold ATX 3.1 PSU

ATX 3.1 compliant PSUs featuring high efficiency, low noise, and premium construction.

RTX 50 Series Ready

12V-2x6 cable delivers up to 600 watts of power to NVIDIA® GeForce RTX™ 50 Series GPUs.

ATX 3.1 Compliant

ATX 3.1 powers high-performance components with stable delivery and improved efficiency.

Certified for High Efficiency & Low Noise

Silence is Golden

135mm FDB fan with Zero Fan Mode stops spinning under 50% load for total silence.

100% Japanese Capacitors

Improved hold-up time and reduced ripple noise for stable, reliable power delivery.

Fully Modular

Only connect the cables needed to keep a tidy build. Full cable set included.

Space-Saving Size

Compact form factor frees up room for cable management and improved airflow.

Peace of Mind

Backed by a 10-year warranty and reliable customer support.

Tech Specs

Output Connectors

24-pin ATX Power Cable

4+4-pin CPU Power Cable

8-pin CPU Power Cable

6+2-pin PCIe Power Cable

16-pin (12+4) 12V-2x6 PCIe Cable

SATA Cable

Peripherals Cable

Cable Specs

24-pin ATX Power Cable

600 mm with nylon sleeving

4+4-pin CPU Power Cable

700 mm with nylon sleeving

8-pin CPU Power Cable

700 mm with nylon sleeving

6+2-pin PCIe Power Cable

650 mm with nylon sleeving

16-pin (12+4) 12V-2x6 PCIe Cable

650 mm with nylon sleeving

SATA Cable

500 + 150 mm

Peripherals Cable

500 + 150 mm

AC Input Rating

100 - 240Vac

10A–5A 50Hz–60Hz

200 - 240Vac

DC Output Rating

3.3V / +5V

22A (120W)

12V

70.83A (850W)

5Vsb

3A (15W)

Total

850W

Energy Efficiency

Rating

80 Plus Gold

10% loading

85.8% @ 115Vac

20% loading

89.5% @ 115Vac

50% loading

91.7% @ 115Vac

100% loading

89.2% @ 115Vac

Electrical Features

PF Correction

Active @ 0.99

Protections

OVP / UVP / SCP / OTP / OPP / OCP

Fan Specs

Dimensions

135 x 135 x 25 mm

Speed

2300 ± 10% RPM

Airflow

93.02 CFM (Min.)

Noise

44.5 dBA max

Bearing

Fluid Dynamic Bearing (FDB)

Operation

MTBF

100,000 hours

Temperature

0 – 50 °C

Dimensions

Width

150 mm

Height

86 mm

Depth

160 mm

General

Material(s)

Steel, PCB and Plastic

Compliance Standard

ATX12V v3.1 / EPS12V v2.92

Regulation & Certification

FCC, Canada, CE, CB(IEC 62368-1), UKCA, CCC, BSMI, BIS, RCM, UAE, TUV, cTUVus, KC, CP65

Warranty

10 Years

Product Info

Model Number (Black)

PA-8G2BB-CN / PA-8G2BB-UK / PA-8G2BB-US / PA-8G2BB-EU / PA-8G2BB-JP / PA-8G2BB-AU

EAN (Black)

5056547204765 (CN) / 5056547204772 (UK) / 5056547204789 (US) / 5056547204796 (EU) / 5056547204802 (JP) / 5056547204819 (AU)

UPC (Black)

810074844833 (CN) / 810074844840 (UK) / 810074844857 (US) / 810074844864 (EU) / 810074844871 (JP) / 810074844888 (AU)

Model Number (White)

PA-8G2BW-CN / PA-8G2BW-UK / PA-8G2BW-US / PA-8G2BW-EU / PA-8G2BW-JP / PA-8G2BW-AU

EAN (White)

5056547206387 (CN) / 5056547206394 (UK) / 5056547206400 (US) / 5056547206417 (EU) / 5056547206424 (JP) / 5056547206431 (AU)

UPC (White)

810074846448 (CN) / 810074846455 (UK) / 810074846462 (US) / 810074846479 (EU) / 810074846486 (JP) / 810074846493 (AU)

4.3

Rated 4.3 out of 5 stars

Based on 4 reviews

75% would recommend this product

5 Rated out of 5 stars

Total 5 star reviews: 3

4 Rated out of 5 stars

Total 4 star reviews: 0

3 Rated out of 5 stars

Total 3 star reviews: 0

2 Rated out of 5 stars

Total 2 star reviews: 1

1 Rated out of 5 stars

Total 1 star reviews: 0

Reviews 4(tab expanded) Questions 3(tab collapsed)

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4 reviews

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Landon P.

Verified Buyer

I recommend this product

Product Standouts Great Quality, Value for Money, Ease of use

Rated 5 out of 5 stars

1 week ago

This is the second c850 I bought and it works perfectly out of the box. No problems, love the look.

I bought this for a second pc in my room. The cables have great quality and look premium even without extenders. My first c850 has also never had any issues since I bought it in January

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Global N.

I recommend this product

Product Standouts Great Quality, Performance, Design, Value for Money

Rated 5 out of 5 stars

2 months ago

Works as described.

Picked up from Best Buy for $119 3-14-2026. Very well built and comes with a purple NZXT bag for all the cables to be stored in. Zero Fan button needs to be pushed in for that function to work (button in, fan off). If temp comes up, fan will automatically turn on - Zero Fan function works great - Very Quiet. This C850 Gold ATX 3.1 unit replaced our 2017 ABS MJ1100-M 80 Gold, not because it failed, but because we upgraded our GPU to the RTX5080 OC (360watt) and needed the 12v-2x6 connector. NZXT PSU fit into our existing case leaving more room than my old PSU, cables are slim and modular (clean look).

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NZXT

1 month ago

Hi Robert,

Thank you for the detailed review! We're thrilled to hear that the C850 Gold ATX 3.1 is working perfectly for your RTX 5080 OC upgrade. It's great to know you're enjoying the Zero Fan function and finding it nice and quiet during operation.

We're also glad the modular cables and compact design are giving you that clean look and extra room in your case. The purple cable bag is definitely a nice touch for keeping everything organized!

Thanks for choosing NZXT for your PSU upgrade and we appreciate the honest 5-star review!

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Johannes K.

Verified Reviewer

I do not recommend this product

Rated 2 out of 5 stars

8 months ago

Das Netzteil ist laut und stört 2sterne nur für die Leistung

Das Netzteil ist laut und störend die zero Fan Funktion funktioniert nicht der Lüfter ist immer an (Knop ist nach außen ja ) alles richtig eingestellt selbst beim pc Leerlauf bei nicht Nutzung auf dem Desktop ist der Lüfter lauter als mein ganzes System

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Yes, this review from Johannes K. was helpful. 3 people voted yesNo, this review from Johannes K. was not helpful. 21 people voted no

J.H.

Verified Reviewer

I recommend this product

Rated 5 out of 5 stars

10 months ago

Altes System, neues Netzteil

Bei meinem alten ThinkCentre M92 war das Netzteil ausgefallen. Es ist ein ziemlich alter PC. Nichtsdestoweniger passt das NZXT - Netzteil perfekt - und funktionierte auf Anhieb. Insgesamt macht das Netzteil einen hochwertigen Eindruck, hat anscheinend eingebaute Sicherheits/Schutzschalter und ist im normal-Betrieb nicht zu hören. Perfekt ist das Kabelmanagement - wie gesagt: Auch passend für alte PCs - mit alten / oder sonderbaren ATX-Anschlüssen. Für den Anschluss ans Mainboard brauche ich zwar nach wie vor den Lenovo/ThinkCentre-Adapter - aber das liegt nicht an NZXT, sondern an der proprietären Bauform des Lenovo-Mainboards. Demnächst wird ein aktuelles Board mit neuer IntelCPU angeschafft - Das Netzteil ist optimal darauf vorbereitet. Insofern alles perfekt. Ich wollte diesmal beim Netzteil keinerlei Kompromisse eingehen und wurde belohnt. Der etwas höhere Preis macht sich bezahlt. Es gibt nicht den geringsten Grund zur Klage. Ich kann das Produkt ohne wenn und aber weiterempfehlen. Bestellt über Alternate.de . Lieferschwierigkeiten aufgrund von Trump-Mania. Sonst aber alles Okay.

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Yes, this review from J.H. was helpful. 1 person voted yesNo, this review from J.H. was not helpful. 1 person voted no

Rated 2 out of 5 stars

nzxt.com is blocked