ASUS ROG Crosshair X870E Dark Hero ATX vs NZXT N9 X870E - AMD X870E AM5 ATX Gaming
Updated August 2026 — ASUS ROG Crosshair X870E Dark Hero ATX leads on diy features and power stages.
The ASUS ROG Crosshair X870E offers superior features and performance, while the NZXT N9 X870E provides excellent value for budget-conscious buyers.
Why ASUS ROG Crosshair X870E Dark Hero ATX is better
Power Delivery
20+2+2 vs 20+2+1 power stages
Thermal Management
Advanced cooling solutions with 3D VC heatsink
Connectivity
More USB ports and advanced networking options
Why NZXT N9 X870E - AMD X870E AM5 ATX Gaming is better
Price
More affordable at $499.99
Aesthetics
Sleek full-metal cover design
Ease of Installation
Quick-release M.2 latches
Overall score
Specifications
| Spec | ASUS ROG Crosshair X870E Dark Hero ATX | NZXT N9 X870E - AMD X870E AM5 ATX Gaming |
|---|---|---|
| Power Stages | 20+2+2 | 20+2+1 |
| M.2 Slots | 5 | 4 |
| USB Ports | 11 | 5 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| DDR5 Support | Yes | Yes |
Dimension comparison
Price Comparison
The ASUS ROG Crosshair X870E Dark Hero is priced at $699.99, while the NZXT N9 X870E is more affordable at $499.99, making it about 17% cheaper. This significant difference in price may influence buyers looking for high-performance motherboards without breaking the bank. While the ASUS model offers more advanced features, the NZXT model still provides a robust set of specifications that appeal to gamers and PC builders focused on budget-friendly options.
Power Delivery and Design
In terms of power delivery, the ASUS ROG Crosshair X870E boasts a 20+2+2 power stage configuration, whereas the NZXT N9 X870E features a slightly simpler 20+2+1 design. Both motherboards are equipped with high-quality components, with the ASUS model using ProCool II power connectors and MicroFine alloy chokes for enhanced stability. The NZXT, on the other hand, employs an 8-layer, 2-ounce copper PCB for reliable power delivery. While both designs are capable of supporting high-performance CPUs, the ASUS motherboard may offer better overclocking potential due to its additional power stage.
Thermal Management
Thermal management is crucial for maintaining system stability, and both motherboards have designed their thermal solutions effectively. The ASUS ROG Crosshair X870E features a 3D VC M.2 heatsink and massive heatsinks integrated with the I/O cover, promoting efficient heat dissipation. In contrast, the NZXT N9 X870E includes a VRM heatsink array with thermal pads and dual PWM fans, alongside four dedicated M.2 heatsinks. While both systems are built for cooling efficiency, the ASUS model's advanced cooling features suggest a better performance under extreme conditions.
Connectivity Options
Connectivity is another area where both motherboards shine, but they offer different features. The ASUS ROG Crosshair X870E includes dual USB4 Type-C ports, nine additional USB 10Gbps ports, and both Realtek 10Gb Ethernet and 5Gb Ethernet for advanced networking capabilities. In comparison, the NZXT N9 X870E also supports USB 4 (40 Gbps), Wi-Fi 7, and 5GbE, making it suitable for high-speed data transfers. However, the ASUS model's broader range of USB ports and advanced networking options may appeal more to users needing extensive connectivity.
Memory Support
Both motherboards support DDR5 memory, but the ASUS ROG Crosshair X870E offers an edge with its optimized design for high-performance RAM. It supports multiple memory configurations and includes advanced features like AI Overclocking. The NZXT N9 X870E also supports DDR5, with four DIMM slots capable of handling RAM speeds of 8000+ MT/s, focusing on multitasking and responsiveness. While both options provide excellent memory support, the ASUS model may cater better to enthusiasts seeking maximum performance.
M.2 Slots and Storage
When it comes to M.2 storage options, the ASUS ROG Crosshair X870E provides five M.2 slots, including two PCIe 5.0 and three PCIe 4.0 slots, all designed with substantial cooling solutions. The NZXT N9 X870E, while having four M.2 slots (one PCIe 5.0 and three PCIe 4.0), features quick-release latches for easier installation. The additional M.2 slots in the ASUS motherboard make it a more versatile choice for users planning to implement extensive storage configurations.
Aesthetics and Build Quality
Aesthetics can play a significant role in motherboard selection, and both brands have taken unique approaches. The ASUS ROG Crosshair X870E is designed with a striking I/O cover featuring Polymo Lighting II and three configurable ARGB headers. The NZXT N9 X870E, with its premium full-metal cover and onboard customizable RGB lighting, presents a sleek and modern look. While both motherboards are visually appealing, the choice may ultimately depend on personal preference for RGB configurations and overall design ethos.
Which should you buy?
Choosing between the ASUS ROG Crosshair X870E Dark Hero and the NZXT N9 X870E ultimately depends on your specific needs and budget. If you are looking for superior features, advanced thermal management, and extensive connectivity options, the ASUS model is worth the investment at $699.99. However, if you prefer a more budget-friendly option without compromising on essential performance features, the NZXT model at $499.99 offers excellent value. Both motherboards are designed for high-performance gaming and computing, making either a strong contender for your next build.

