NZXT
NZXT C850 Gold Core - 850W ATX 3.1 Power Supply, 80+ Gold
Bottom line: The NZXT C850 Gold Core ($109.99 on Amazon as of 2026-10-07): ATX 3.1 certified with a native 600W 12V-2x6 connector for current NVIDIA cards; main trade-off: 850W ceiling limits headroom for a 5090-class GPU plus a high-core-count CPU.
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*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
Pros & Cons
Pros
- ✓ ATX 3.1 certified with a native 600W 12V-2x6 connector for current NVIDIA cards
- ✓ Cybenetics Platinum efficiency exceeds its 80 PLUS Gold rating
- ✓ A++ noise certification: under 15 dBA at the C850 tier
- ✓ 135mm FDB fan with Zero RPM mode stays fully off at light loads
Cons
- ✗ 850W ceiling limits headroom for a 5090-class GPU plus a high-core-count CPU
- ✗ Only three 8-pin PCIe cables if you skip the 12V-2x6 connector
- ✗ Fully modular cables add depth, tight in small-form-factor cases
- ✗ Zero RPM mode means no airflow during idle heat soak in cramped builds
Manufacturer description
The NZXT C850 Gold Core is an ATX 3.1, fully modular PSU with 80 PLUS Gold and Cybenetics Platinum efficiency, A++ noise rating, and a 600W 12V-2x6 PCIe 5.1 connector. Built for modern GPUs, it delivers clean, quiet power with easy cable management for performance PCs.
SpecPicks Verdict
SpecPicks scored NZXT C850 Gold Core using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. NZXT's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- ATX 3.1 CERTIFIED, PCIE 5.1 READY — Supports next-gen GPUs with a dual-color 12V-2x6 connector for safe, stable, and efficient power delivery—ideal for modern NVIDIA graphics cards.
- 80 PLUS GOLD & CYBENETICS PLATINUM EFFICIENCY — Delivers energy-efficient, stable performance to reduce heat and power draw, even under demanding loads.
- WHISPER-QUIET OPERATION — Cybenetics noise certified for near-silent performance: A++ for C750 and C850 (<15 dBA), A+ for C1000 (15–20 dBA).
- READY FOR AMD & NVIDIA GPUS — Compatible with most GPUs using a 12V-2x6 cable or up to three 8-pin PCIe cables.
- FDB FAN WITH ZERO RPM MODE — 135 mm fluid dynamic bearing fan stays quiet and efficient, with Zero RPM mode during light workloads for silent operation.
- PREMIUM 105°C-RATED CAPACITORS — High-quality components ensure stable, long-lasting performance across a wide range of system loads.
Full Specifications
| Brand | NZXT |
|---|---|
| Wattage | 850 watts |
| Model Name | C850 Gold Core |
| Unit Count | 1 Count |
| Form Factor | ATX |
| Model Number | PA-8G3BB-US |
| Built-In Media | NZXT PS PA-8G3BB-US C850 GOLD CORE 850W 80+Gold Fully-modular ATX3.1 |
| Connector Type | ATX |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 850 watts |
| Item Dimensions | 5.91 x 5.91 x 3.39 inches |
| Mfr Part Number | PA-8G3BB-US |
| Number of Items | 1 |
| Compatible Devices | PC |
| Power Supply Design | Full Modular |
| Warranty Description | 7 year |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 110 volts_of_alternating_current |
| Item dimensions L x W x H | 5.91 x 5.91 x 3.39 inches |
Ready to buy?
NZXT C850 Gold Core - 850W ATX 3.1 Power Supply, 80+ Gold is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
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