NZXT
12VHPWR Adapter Cable - 12+4-Pin (16-Pin) 12HVPWR to Dual 8-Pin PCIe - Compatible with NVIDIA 40 Series Graphics Cards and Existing NZXT ATX 2.X PSUs (PA-xG1BB) - Rated for 600 Watts - Black
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 12VHPWR Adapter Cable - 12+4-Pin (16-Pin) 12HVPWR to Dual 8-Pin PCIe - Compatible with NVIDIA 40 Series Graphics Cards and Existing NZXT ATX 2.X PSUs (PA-xG1BB) - Rated for 600 Watts - Black is a solid pick with broad community endorsement in the power supplies & cables category, priced around $19.99, rated 4.4★ across 219 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
The 12VHPWR Adapter Cable powers the latest NVIDIA® GeForce RTX™ 40 Series GPUs with existing PSUs. Its specialized connector provides optimal performance and improved eciency, replacing bulky included adapters.
SpecPicks Verdict
SpecPicks classifies NZXT 12VHPWR Adapter Cable - 12+4-Pin (16-Pin) 12HVPWR to Dual 8-Pin… as a solid pick with broad community endorsement in the power supplies & cables category, based on 219 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. NZXT's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ 600W RATED: Delivers up to 600 watts of power to graphics cards with a 12VHPWR port.
- ✓ Backed by NZXT's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
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).
Full Specifications
| Brand | NZXT |
|---|---|
| Color | Black |
| 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. |
| Unit Count | 1.0 Count |
| Model Number | PA-xG1BB |
| COMPACT CABLE | Replaces the bulky standard adapter that comes with NVIDIA 40 Series GPUs. |
| Connector Type | 12VHPWR, PCIe 8-pin |
| 40 SERIES READY | Powers an NVIDIA 40 Series GPU with an existing NZXT ATX 2.X PSU—no ATX 3.0 required. |
| Mfr Part Number | BB-CG1BB |
| Number of Items | 1 |
| Number of Ports | 2 |
| Power Plug Type | No Plug |
| Compatible Devices | NZXT C Series Gold ATX 2.X PSU, NVIDIA 40 Series GPU |
Ready to buy?
NZXT 12VHPWR Adapter Cable - 12+4-Pin (16-Pin) 12HVPWR to Dual 8-Pin PCIe - Compatible with NVIDIA 40 Series Graphics Cards and Existing NZXT ATX 2.X PSUs (PA-xG1BB) - Rated for 600 Watts - Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Related Power Supplies & Cables
