NZXT 12VHPWR to Dual 8-Pin Alternatives: 6 Similar Picks Compared
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You might be looking for nzxt 12vhpwr adapter cable alternatives if your current setup does not fit your case or power needs. The NZXT PA-xG1BB is a compact, black cable rated for 600 watts. It connects a 12+4-pin GPU port to dual 8-pin PSU connectors. This design helps replace bulky standard adapters for NVIDIA 40 Series graphics cards. It is specifically guaranteed for NZXT C-Series Gold ATX 2.X power supplies. You get a clean connection without needing an ATX 3.0 unit. However, you may need different features. Some builders require higher wattage for more powerful hardware. Others prefer native ATX 3.1 support to avoid adapters entirely. You might also need a different form factor or color to match your build aesthetic. The alternatives in this list were chosen because their specs overlap with the original. They offer similar or superior power delivery and modern connector standards. We compared these options to help you find the right fit for your specific requirements.
Our top pick: NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable.
How these options differ from NZXT
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W is a full power supply, not just an adapter cable. It delivers 850 watts at 80 Plus Gold efficiency and supports ATX 3.1 standards. This unit includes a native 12V-2x6 connector for modern GPUs, removing the need for any third-party adapters. It measures 12 inches long, which is larger than the compact NZXT cable. You get a ten-year warranty and fully modular cabling. This choice is better if you are building a new system or replacing an old unit. It offers higher wattage and modern connector support without relying on an adapter bridge.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift is another complete power supply rather than a simple cable. It provides 850 watts with ATX 3.1 compliance and PCIe 5.1 support. The unit features a 12V-2x6 connector for direct GPU power, eliminating the bulk of adapter cables. It weighs 3.75 pounds and measures 6.3 inches in length. The white finish offers a different aesthetic compared to the black NZXT cable. This option suits builders who want native modern connectivity and gold efficiency. It is a better fit if you need a reliable power source for a standard ATX case without dealing with adapter compatibility issues.
Corsair RM1000x 1000W ATX 3.1 PSU
The Corsair RM1000x provides 1000 watts of power, significantly more than the 600-watt limit of the NZXT adapter. It is an ATX 3.1 power supply with PCIe 5.1 support and a native 12V-2x6 connector. The unit is compact at 2.3 inches wide but weighs 6.88 pounds. It is fully modular and designed for high-wattage modern GPU builds. This option is ideal if you need substantial power headroom for demanding systems. You avoid the potential bottleneck of an adapter cable by using a PSU with native high-power connector support. It is a premium choice for builders prioritizing wattage and modern standards over simple cable management.
Corsair RM1000x Shift 1000W Power Supply
The Corsair RM1000x Shift is a 1000-watt ATX 3.0 power supply, offering higher capacity than the NZXT adapter. It features fully modular cabling and 80 Plus Gold efficiency. This unit includes a 12V-2x6 connector for direct GPU power, removing the need for external adapters. It measures 7.09 inches long and weighs 4.2 pounds. The black finish matches standard build aesthetics. This option is suitable for builders needing high wattage and ATX 3.0 compatibility. It provides a cleaner solution than an adapter cable by integrating the necessary connector directly into the power supply. It is a robust choice for powerful systems requiring stable power delivery.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x is an 850-watt ATX 3.1 power supply with PCIe 5.1 support. It includes a native 12V-2x6 connector, eliminating the need for the NZXT adapter cable. The unit is fully modular and weighs 3.9 pounds. It measures 2.3 inches wide, making it compact for standard ATX cases. This option is better if you want native modern connector support and gold efficiency. It provides a cleaner build process by avoiding adapter cables entirely. This choice is ideal for builders who prioritize ATX 3.1 compatibility and modular flexibility over the simplicity of a single adapter cable.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift is a 750-watt ATX 3.1 power supply with PCIe 5.1 support. It features a side-mounted connector design and a native 12V-2x6 port. The unit is fully modular and weighs 3.75 pounds. It measures 6.3 inches in length and offers a white finish. This option is practical for builders needing modern GPU support and clean cable management. It removes the need for an adapter cable by providing the correct connector directly. This choice is suitable for users who prioritize efficiency and ease of assembly. It offers a reliable power solution for ATX 3.1 builds without relying on third-party adapters.
Quick picks
Our 7 picks
NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable
Best for: NZXT ATX 2.X users with 40 Series GPUs
- Form Factor
- ATX
- Weight
- 6 ounces
View on Amazon: NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable Affiliate link
This NZXT adapter lets you power an NVIDIA 40 Series GPU using an older ATX 2.X power supply. It converts a single 12+4-pin 12VHPWR connector on the graphics card into two standard 8-pin PCIe connectors for your existing unit. The cable is rated for 600 watts of power delivery. It is designed to replace the bulkier adapters included with many modern graphics cards. It works well if you want to keep your current power supply.
Pros
- Rated for 600 watts of power delivery
- Converts 12+4-pin to dual 8-pin PCIe
- Compact design replaces bulky standard adapters
- Compatible with NVIDIA 40 Series GPUs
Cons
- Limited to ATX 2.X power supplies
- Guaranteed only for NZXT C-Series Gold PSUs
- No mention of cable length or flexibility
Good fit if
- You use an NVIDIA 40 Series graphics card
- You have an NZXT C-Series Gold ATX 2.X power supply
- You want to avoid the bulk of standard adapters
Skip if
- You use a non-NZXT ATX 2.X power supply
- You need a power rating above 600 watts
- You require ATX 3.0 native support
Verdict: NZXT 12VHPWR to Dual 8-Pin Adapter is a compact solution for users with NZXT C-Series Gold ATX 2.X power supplies who want to run an NVIDIA 40 Series GPU without upgrading their power unit. It offers a clean alternative to the standard bulky adapters included with many graphics cards.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: Standard ATX cases needing PCIe 5.1 support
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
View on Amazon: MSI MAG 850W Fully Modular ATX Power Supply Affiliate link
The MSI MAG A850GL is a fully modular 850W power supply designed for gaming systems. It meets ATX 3.1 and PCIe 5.1 standards, featuring an 80 Plus Gold efficiency rating. The unit includes a native 12V-2x6 connector for modern GPUs. Its compact dimensions measure 8.75 by 4.92 by 12 inches. This model offers a 10-year warranty, making it a reliable option for builders seeking stable power delivery.
Pros
- 850W output capacity
- ATX 3.1 and PCIe 5.1 ready
- 80 Plus Gold efficiency rating
- 10-year warranty coverage
- Fully modular cable design
Cons
- Larger physical footprint than some compact units
- No app or software control listed
- Standard ATX form factor limits fit in small cases
Good fit if
- You need a native 12V-2x6 connector for new GPUs
- You want high efficiency for lower heat output
- You prefer a fully modular setup for clean builds
Skip if
- You require a smaller SFX form factor
- You need a wattage above 850W
- You want a 16-pin 12VHPWR cable included
Verdict: MSI MAG A850GL 850W ATX 3.1 fits builders who need native PCIe 5.1 support and high efficiency in a standard ATX case.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: Standard ATX builds with PCIe 5.1 GPUs
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- PCIe 5.1
- Dimensions
- 6.3 × 5.91 × 3.39 inches
View on Amazon: Corsair RM850x Shift 850W White ATX Power Supply Affiliate link
This Corsair unit delivers 850W of power with ATX 3.1 compliance and PCIe 5.1 support. It features a fully modular design and 80 Plus Gold efficiency. The white finish and compact dimensions suit modern builds. You get reliable connectivity for high-end graphics cards without excessive cable clutter. It is a solid choice for users prioritizing standard efficiency and native PCIe 5.1 support.
Pros
- 80 Plus Gold efficiency rating
- ATX 3.1 and PCIe 5.1 compliance
- Fully modular cable design
- White color finish
Cons
- Heavier at 3.75 pounds
- Standard ATX form factor size
- No smart monitoring features listed
Good fit if
- You need native PCIe 5.1 support
- You want a fully modular unit
- You prefer a white build
Skip if
- You require ATX 3.0 compatibility only
- You need a smaller SFX form factor
- You want a black color scheme
Verdict: Corsair RM850x Shift 850W ATX 3.1 is a reliable power supply for builders needing PCIe 5.1 support and gold efficiency. It fits well in standard ATX cases where weight is not a primary constraint.
Corsair RM1000x 1000W ATX 3.1 PSU
Best for: high-wattage modern GPU builds
- Wattage
- 1000W
- Efficiency Rating
- Cybenetics Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM1000x 1000W ATX 3.1 PSU Affiliate link
This Corsair RM1000x is a fully modular 1000W power supply built for modern high-end builds. It supports ATX 3.1 and PCIe 5.1 standards, featuring a native 12V-2x6 connector for direct GPU power. The unit delivers Cybenetics Gold efficiency, ensuring reliable performance with low noise. It is designed for users who need ample power headroom and modern connectivity without relying on adapters.
Pros
- 1000W total power output
- Fully modular cable management
- ATX 3.1 and PCIe 5.1 compliance
- Native 12V-2x6 connector
- Cybenetics Gold efficiency rating
Cons
- Heavier build at 6.88 pounds
- Larger physical dimensions than compact units
- No included 12VHPWR to dual 8-pin adapter cable
Good fit if
- You need 1000W for high-end GPUs
- You want native PCIe 5.1 support
- You prefer fully modular designs
Skip if
- You require a compact form factor
- You need a lower wattage unit
- You are on a tight budget
Verdict: Corsair RM1000x ATX 3.1 provides robust power and modern connectors for demanding systems. It suits builders prioritizing high wattage and efficiency over compact size. This unit is ideal for those who do not need an included adapter cable.
Corsair RM1000x Shift 1000W Power Supply
Best for: High-wattage ATX 3.0 builds
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.0
- Dimensions
- 7.09 × 5.91 × 5.08 inches
- Weight
- 4.2 pounds
View on Amazon: Corsair RM1000x Shift 1000W Power Supply Affiliate link
This Corsair unit delivers 1000W of power with an ATX 3.0 standard. It features a fully modular design, allowing you to connect only the cables you need. The 80 Plus Gold certification ensures efficient energy use. Its compact dimensions make it suitable for smaller cases. This power supply is ideal for systems requiring high wattage and modern PCIe 5.0 support.
Pros
- 1000W output capacity
- ATX 3.0 and PCIe 5.0 compliant
- Fully modular cable design
- 80 Plus Gold efficiency rating
Cons
- Brand listed as Mkastry in data
- Heavier than some competitors at 4.2 pounds
- No mention of low-noise fan mode
Good fit if
- You need ATX 3.0 compliance for modern GPUs
- You require 1000W for high-end builds
- You prefer fully modular cable management
Skip if
- You need a lower wattage unit
- You require 80 Plus Platinum efficiency
- You need a non-modular power supply
Verdict: Corsair RM1000x Shift 1000W ATX 3.0 fits builders needing high wattage and modern standards. It suits those prioritizing efficiency and modular flexibility for powerful systems.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: ATX 3.1 systems needing 850W
- Wattage
- 850W
- Efficiency Rating
- Cybenetics Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM850x 850W Fully Modular ATX 3.1 PSU Affiliate link
The Corsair RM850x is an 850W fully modular power supply built for modern GPUs. It supports ATX 3.1 and PCIe 5.1 standards with a native 12V-2x6 connector. This design lets you connect next-generation graphics cards without needing extra adapters. The unit delivers Cybenetics Gold efficiency and operates at low noise levels. You get a reliable power source for high-end builds that require stable 12V rail performance.
Pros
- 850W wattage capacity
- Fully modular cable design
- ATX 3.1 compliance
- PCIe 5.1 support
- Native 12V-2x6 connector
Cons
- Limited to 850W output
- Cybenetics Gold rating instead of Platinum
- Standard ATX form factor size
Good fit if
- You need native support for PCIe 5.1 GPUs
- You want a fully modular unit for clean cable management
- You are building a system with an 850W power budget
Skip if
- You require more than 850W of total power
- You need a smaller SFX form factor
- You are looking for a 1000W or higher capacity unit
Verdict: Corsair RM850x ATX 3.1 offers a clean, native connection for modern graphics cards. It fits builders who prioritize ATX 3.1 compatibility and modular flexibility over maximum wattage.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: ATX 3.1 builds with side-mounted cable needs
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- Fan Size
- 140mm
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM750x Shift White 750W ATX Power Supply Affiliate link
This Corsair unit delivers 750W with ATX 3.1 and PCIe 5.1 support. It features fully modular micro-fit connectors for cleaner builds. The side-mounted modular panel simplifies cable access. A 140mm fan ensures quiet operation. Japanese capacitors provide reliable power delivery. It suits users needing efficient, modern power for high-end GPUs.
Pros
- ATX 3.1 and PCIe 5.1 certified
- Side-mounted modular connections for easier access
- 140mm fluid dynamic bearing fan for low noise
- Fully modular with micro-fit connectors
- 100% Japanese electrolytic capacitors
Cons
- 750W output is lower than 850W and 1000W alternatives
- Standard ATX form factor may be bulkier than compact units
- No mention of zero-RPM mode in all load conditions
Good fit if
- You need ATX 3.1 compatibility for new GPUs
- You want easier cable management with side-mounted ports
- You require 750W for mid-to-high range builds
Skip if
- You need more than 750W for extreme overclocking
- You prefer a compact SFX form factor
- You require higher wattage for multiple high-end GPUs
Verdict: Corsair RM750x Shift 750W ATX 3.1 is a practical choice for builders needing modern PCIe 5.1 support and clean cable management. It fits users who prioritize efficiency and ease of assembly over maximum wattage.
Specifications side by side
| Spec | NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable | MSI MAG 850W Fully Modular ATX Power Supply | Corsair RM850x Shift 850W White ATX Power Supply | Corsair RM1000x 1000W ATX 3.1 PSU | Corsair RM1000x Shift 1000W Power Supply | Corsair RM850x 850W Fully Modular ATX 3.1 PSU | Corsair RM750x Shift White 750W ATX Power Supply |
|---|---|---|---|---|---|---|---|
| Wattage | not specified | 850W | 850W | 1000W | 1000W | 850W | 750W |
| Efficiency Rating | not specified | 80+ Gold | 80 Plus Gold | Cybenetics Gold | 80 Plus Gold | Cybenetics Gold | 80 Plus Gold |
| Modularity | not specified | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | not specified | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.0 | ATX 3.1 | ATX 3.1 |
| PCIe Connector Type | not specified | 12V-2x6 | PCIe 5.1 | 12V-2x6 | not specified | 12V-2x6 | not specified |
| Fan Size | not specified | not specified | not specified | not specified | not specified | not specified | 140mm |
| Warranty | not specified | 10 Year | not specified | not specified | not specified | not specified | not specified |
| Form Factor | ATX | ATX | ATX | ATX | ATX | ATX | ATX |
| PCIe Version | not specified | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | not specified | PCIe 5.1 | PCIe 5.1 |
| Recommended Use | not specified | Gaming | not specified | not specified | not specified | not specified | not specified |
| Connector | not specified | 12V-2x6 Connector | not specified | 12V-2x6 Connector | not specified | 12V-2x6 Connector | not specified |
| Size | not specified | 850W (PCIE 5) | 850W | 1000W | 1000W | 850W | 750W |
| Weight | 6 ounces | not specified | 3.75 pounds | 6.88 pounds | 4.2 pounds | 3.9 pounds | 3.75 pounds |
| Dimensions | not specified | 12 × 8.75 × 4.92 inches | 6.3 × 5.91 × 3.39 inches | 2.3 × 3.39 × 5.91 inches | 7.09 × 5.91 × 5.08 inches | 2.3 × 3.39 × 5.91 inches | 6.3 × 5.91 × 3.39 inches |
| Color | Black | not specified | White | Black | Black | Black | White |
| Model | PA-xG1BB | not specified | not specified | not specified | not specified | not specified | CP-9020273-NA |
If you also need dimensions for chassis cable clearance, review specifications listed for nzxt h510 alternatives.
Frequently asked questions
Can I use a standard 12VHPWR cable with an older power supply?
Yes, if you use an adapter like the NZXT PA-xG1BB. This black cable weighs 6 ounces and converts a single 12+4-pin connector to dual 8-pin inputs. It allows you to connect modern NVIDIA 40 Series GPUs to older ATX 2.X power supplies without needing a new unit.
What is the best power supply for native 12VHPWR support?
The MSI MAG 850W is a top choice for native support. It is a fully modular ATX 3.1 unit with an 80 Plus Gold rating. It features a built-in 12V-2x6 connector, which eliminates the need for bulky adapter cables entirely while fitting in standard ATX cases.
Which Corsair PSU offers the best value for PCIe 5.1?
The Corsair RM850x Shift is a strong option for PCIe 5.1 builds. This white, fully modular unit weighs 3.75 pounds and delivers 850 watts. It supports ATX 3.1 standards and includes a native 12V-2x6 connector, providing a clean solution for modern graphics cards without extra adapters.
Is there a high-wattage option without needing an adapter cable?
The Corsair RM1000x ATX 3.1 provides 1000 watts of power natively. It is a fully modular black unit that supports PCIe 5.1 standards. This power supply includes a 12V-2x6 connector, so you do not need to purchase or manage separate adapter cables for your GPU.
Does the Corsair RM1000x Shift support ATX 3.0?
Yes, the Corsair RM1000x Shift is built for ATX 3.0 standards. This fully modular black unit delivers 1000 watts of power. It is designed for high-wattage builds and offers efficient power delivery, ensuring compatibility with modern systems that require robust energy output for demanding components.
Can I get a compact 850W PSU with native PCIe 5.1?
The Corsair RM850x ATX 3.1 is a compact, black 850W option. It is fully modular and supports PCIe 5.1 standards. The unit weighs 3.9 pounds and features a 12V-2x6 connector, allowing for a direct, clean connection to modern GPUs without the clutter of additional adapter cables.
Is there a white 750W PSU for side-mounted cable builds?
The Corsair RM750x Shift White is ideal for side-mounted cable needs. This 750W unit supports ATX 3.1 and PCIe 5.1 standards. It is fully modular and weighs 3.75 pounds, offering efficient power delivery and clean cable management for builders who prioritize aesthetics and modern connector standards.