NZXT

NZXT PA-xG1BB 12VHPWR Adapter Cable 600W

4.4 (63 reviews)
600W

Power Your NVIDIA 40 Series GPU with EaseThe NZXT 12VHPWR Adapter Cable allows you to connect your NVIDIA 40 Series graphics card to existing NZXT ATX 2.X power supplies. This adapter cable replaces the bulky adapter included with NVIDIA GPUs and delivers up to 600 watts of power, ensuring optima...

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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Power Your NVIDIA 40 Series GPU with Ease

The NZXT 12VHPWR Adapter Cable allows you to connect your NVIDIA 40 Series graphics card to existing NZXT ATX 2.X power supplies. This adapter cable replaces the bulky adapter included with NVIDIA GPUs and delivers up to 600 watts of power, ensuring optimal performance and stability.

  • Connector Type: 12+4-Pin (16-Pin) 12HVPWR to Dual 8-Pin PCIe
  • Compatibility: NVIDIA 40 Series Graphics Cards, NZXT ATX 2.X PSUs
  • Wattage: 600 Watts
  • Color: Black
  • Features: Bulky Replacement

Key Features

40 SERIES READY: Powers an NVIDIA 40 Series GPU with an existing NZXT ATX 2.X PSU—no ATX 3.0 required.

600W RATED: Delivers up to 600 watts of power to graphics cards with a 12VHPWR port.

CONNECTORS: 12+4-pin (16-pin) 12VHPWR goes to the GPU, and dual 8-pin PCIe goes to the PSU.

COMPACT CABLE: Replaces the bulky standard adapter that comes with NVIDIA 40 Series GPUs.

NZXT COMPATIBILITY: Guaranteed for use with all NZXT C-Series Gold ATX 2.X PSUs (PA-xG1BB).

Specifications

Cable Type
12VHPWR Adapter Cable
Power Rating
600W
GPU Connector
12+4-pin (16-pin) 12VHPWR
PSU Connectors
Dual 8-pin PCIe
Compatibility (GPU)
NVIDIA 40 Series GPU
Compatibility (PSU)
NZXT C-Series Gold ATX 2.X PSUs (PA-xG1BB)

Pros & Cons

👍 Pros

  • Specifically designed to power NVIDIA 40 Series GPUs with existing NZXT ATX 2.X PSUs, avoiding the need for an ATX 3.0 upgrade.
  • Rated to deliver up to 600 watts of power, ensuring sufficient energy for high-performance graphics cards with a 12VHPWR port.
  • Features a 12+4-pin (16-pin) 12VHPWR connector for the GPU and dual 8-pin PCIe connectors for the PSU, providing a secure and compatible connection.
  • Offers a compact cable solution that replaces the often bulky standard adapter included with NVIDIA 40 Series GPUs, improving cable management.
  • Guaranteed compatibility with all NZXT C-Series Gold ATX 2.X PSUs (PA-xG1BB), ensuring reliable performance within the NZXT ecosystem.

👎 Cons

  • Its compatibility is specifically limited to NZXT C-Series Gold ATX 2.X PSUs, meaning it may not work with other brands or PSU series.
  • The cable is designed for NVIDIA 40 Series GPUs, making it a specialized accessory and not a universal power cable solution.
  • While compact, specific length measurements are not provided, which could be relevant for intricate PC builds or larger cases.
  • The 600W rating is suitable for many 40 Series GPUs, but some higher-end models might demand more power, requiring verification from the user.
  • Serves a very niche purpose, primarily for users who own both an NZXT PSU and an NVIDIA 40 Series GPU and want an alternative to the standard adapter.

Frequently Asked Questions

The primary purpose of this cable is to allow users with an existing NZXT ATX 2.X PSU to power an NVIDIA 40 Series GPU without needing to upgrade to an ATX 3.0 power supply.
This adapter cable is rated to deliver up to 600 watts of power, which is sufficient for many graphics cards equipped with a 12VHPWR port.
It features a 12+4-pin (16-pin) 12VHPWR connector for the GPU and dual 8-pin PCIe connectors that connect to the power supply.
No, this cable is specifically guaranteed for use with all NZXT C-Series Gold ATX 2.X PSUs (model PA-xG1BB) and may not be compatible with other brands or models.
Yes, it is described as a compact cable that replaces the often bulky standard adapter that comes with NVIDIA 40 Series GPUs, contributing to cleaner cable routing.