Be Quiet! or NZXT? PC Power Supplies Compared in 2026
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When researching be quiet vs NZXT PC power supply components, you need to know what each part actually does. Both are black cables designed for PC builds, but they serve different roles. The Be Quiet! unit is a dedicated CPU power cable. The NZXT item is a PCIe adapter for graphics cards. They share a black color and compact design. However, their functions and target connections are completely separate. You must match each to the correct motherboard or GPU port.
Key differences
| Aspect | Be Quiet! 0.45 m CPU Power Cable | NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable |
|---|---|---|
| Function | CPU Power Cable | PCIe Adapter Cable |
| Target Connection | Motherboard CPU socket | NVIDIA 40 Series GPU |
| Max Power Rating | not listed | 600W |
| Connector Type | Standard CPU connector | 12+4-pin to Dual 8-pin |
| Weight | 3 ounces | 6 ounces |
Which one should you choose?
Choose Be Quiet! 0.45 m CPU Power Cable if
- You need a replacement or extension cable for your motherboard CPU power connector.
- You prefer a lighter cable component for your build.
- You are using a Be Quiet! PSU that includes this specific BC060 cable.
Choose NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable if
- You have an NVIDIA 40 Series GPU and an older ATX 2.X power supply.
- You need to convert a single 12VHPWR port to dual 8-pin connectors.
- You want a compact adapter that is guaranteed compatible with NZXT C-Series Gold PSUs.
Verdict: These products are not direct competitors because they serve different parts of your system. Choose the Be Quiet! cable if you need to connect or extend power to your motherboard. Select the NZXT adapter if you are connecting a modern graphics card to an older power supply unit.
Be Quiet vs NZXT Cable Specs
Primary Role
The Be Quiet! cable is a dedicated CPU power cable, model BC060, with a length of 0.45 meters. It connects directly to the processor power socket. The NZXT item is an adapter cable, model PA-xG1BB. It converts a 12+4-pin 12VHPWR connector from the power supply into dual 8-pin PCIe connectors for the graphics card. You need one for the CPU and the other for the GPU. They serve entirely different functions within your build. Neither replaces the other in a standard PC assembly.
Power Handling
The NZXT adapter is rated to deliver up to 600 watts of power to your graphics card. It is designed for NVIDIA 40 Series GPUs. The Be Quiet! cable does not list a specific wattage rating in its published specifications. It is a standard CPU power cable. You should assume it handles typical CPU power loads, but the exact limit is not provided. For high-end GPUs, the NZXT adapter has a clear, stated capacity. The Be Quiet! cable’s limit remains unspecified in the data.
Compatibility
The NZXT adapter is guaranteed for use with all NZXT C-Series Gold ATX 2.X power supplies. It allows you to use existing ATX 2.X units with newer GPUs. It does not require an ATX 3.0 power supply. The Be Quiet! cable is a generic CPU power cable. It does not list specific compatible power supply brands or models. It is likely compatible with most ATX units that have a CPU power header. The NZXT item has a narrower, specified compatibility list.
Physical Size
The Be Quiet! cable has specific dimensions listed as 230 mm by 86 mm by 25 mm. It weighs 3 ounces. The NZXT adapter weighs 6 ounces. It is described as a compact cable that replaces bulkier standard adapters. The Be Quiet! unit has precise length and width data. The NZXT item focuses on its compact form factor relative to other adapters. The Be Quiet! cable is lighter. The NZXT adapter is heavier but designed for a different connector type.
Connector Type
The NZXT adapter features a 12+4-pin 12VHPWR connector on one end and dual 8-pin PCIe connectors on the other. This matches the modern standard for high-power graphics cards. The Be Quiet! cable is a CPU power cable. It typically ends in a 4+4 pin or 8 pin EPS connector, though the exact pin count is not listed in the provided data. The NZXT item has a very specific, modern connector layout. The Be Quiet! cable uses a standard CPU power interface.
Which cable fits your build needs
Building with a standard ATX 2.4 motherboard
You need a direct connection for your processor. This Be Quiet! cable is a dedicated 0.45 m CPU power cable. It plugs straight into the CPU socket. The model BC060 ensures reliable performance for your main power feed. Its compact 3-ounce weight keeps your case tidy without adding bulk to your build.
Upgrading an NVIDIA 40 Series GPU
You have an older ATX 2.1 or 2.2 power supply but want a new graphics card. This NZXT adapter converts dual 8-pin PCIe connectors to the 12VHPWR port. It delivers up to 600 watts to your GPU. It replaces bulky standard adapters, offering a cleaner look and guaranteed compatibility with your existing NZXT PSU setup.
Using an existing NZXT Gold PSU
You own a NZXT C-Series Gold ATX 2.X power supply and want to use it with a modern GPU. This adapter is specifically guaranteed for use with these units. It handles the power conversion safely up to 600 watts. The black color matches your components, and the 6-ounce weight is manageable for cable management.
The products compared
Be Quiet! 0.45 m CPU Power Cable
Best for: small cases with short CPU power runs
- Dimensions
- 9.06 × 3.54 × 1.18 inches
- Weight
- 3 ounces
View on Amazon: Be Quiet! 0.45 m CPU Power Cable Affiliate link
This Be Quiet! BC060 cable connects your CPU power connector to the motherboard. It measures 0.45 meters in length. The cable features a sleek black design. It weighs 3 ounces. The dimensions are 9.06 by 3.54 by 1.18 inches. You need this cable to ensure reliable power delivery to your processor. It suits builds where cable management and a clean look matter.
Pros
- 0.45 m cable length
- Black color for clean builds
- Lightweight at 3 ounces
- Sleek design
Cons
- Short 0.45 m length limits placement options
- Single cable only, no multi-pin support listed
- No mention of modular or sleeved construction
Good fit if
- You need a short CPU power extension
- You want a black cable for a tidy build
- Your motherboard is close to the PSU
Skip if
- You need a longer cable for a large case
- You require a multi-fan or multi-CPU setup
- You prefer a sleeved or custom-length cable
Verdict: Be Quiet! BC060 CPU Power Cable is a compact, black cable for tight spaces. It fits small form factor builds where the CPU socket is near the power supply.
NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable
Best for: NZXT ATX 2.X PSU owners upgrading to NVIDIA 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 cable connects your existing ATX 2.X power supply to an NVIDIA 40 Series GPU. It delivers up to 600 watts of power through dual 8-pin PCIe connectors on the PSU side and a 12+4-pin 16-pin connector on the GPU side. The compact black cable replaces bulkier standard adapters. It is designed specifically for compatibility with NZXT C-Series Gold ATX 2.X units.
Pros
- Rated for 600 watts of power delivery
- Converts dual 8-pin PCIe to 12+4-pin 16-pin
- Compact design replaces bulky standard adapters
- Guaranteed compatible with NZXT C-Series Gold ATX 2.X PSUs
Cons
- Requires an existing ATX 2.X power supply
- Limited to NVIDIA 40 Series GPU compatibility
- Only works with NZXT C-Series Gold units
Good fit if
- You own an NZXT C-Series Gold ATX 2.X power supply
- You need to connect an NVIDIA 40 Series GPU
- You want a compact cable to reduce case clutter
Skip if
- You use a non-NZXT power supply
- You have an older GPU that does not require this connector
- You need support for GPUs other than NVIDIA 40 Series
Verdict: NZXT 12VHPWR Adapter Cable is a specialized solution for users with NZXT C-Series Gold ATX 2.X power supplies who need to upgrade to NVIDIA 40 Series graphics cards without replacing their entire power unit.
Specifications side by side
| Spec | Be Quiet! 0.45 m CPU Power Cable | NZXT 12VHPWR to Dual 8-Pin PCIe Adapter Cable |
|---|---|---|
| Form Factor | not stated | ATX |
| Dimensions | 9.06 × 3.54 × 1.18 inches | not stated |
| Weight | 3 ounces | 6 ounces |
| Size | 230 mm x 86 mm x 25 mm | not stated |
| Color | Black | Black |
| Model | BC060 | PA-xG1BB |
Frequently asked questions
Is the Be Quiet! cable a power supply unit?
No. The Be Quiet! item is a CPU power cable, not a power supply. It connects the power supply to your processor. The product is a 0.45 m cable designed for tight spaces. It does not convert AC power to DC power for the whole system.
Does the NZXT adapter replace my power supply?
No. The NZXT adapter is a cable, not a power supply. It helps users with NZXT C-Series Gold ATX 2.X units upgrade to NVIDIA 40 Series GPUs. You keep your existing power supply and use this adapter to connect the new graphics card.
Can I use the NZXT cable for any GPU?
It is designed for specific upgrades. The NZXT adapter is for users with ATX 2.X power supplies who need to connect NVIDIA 40 Series graphics cards. It converts the 12VHPWR connector to dual 8-pin connectors. It is not a universal cable for all GPU types.
What is the Be Quiet! cable best for?
It is best for small cases with short CPU power runs. The cable is compact and black. It fits small form factor builds where the CPU socket is near the power supply. This model helps manage space in tight chassis designs.
How heavy is the NZXT adapter cable?
The NZXT adapter weighs 6 ounces. It is a black cable with the model number PA-xG1BB. The weight is modest for a specialized adapter. It is designed to handle the connection between your power supply and modern graphics cards.
Is the Be Quiet! cable compatible with ATX 2.4?
Yes. The Be Quiet! cable is a dedicated CPU power cable for standard ATX 2.4 motherboards. It plugs directly into the processor power socket. This ensures a direct connection for your CPU without needing extra adapters or converters.