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ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5 vs NZXT N9 X870E - AMD X870E AM5 ATX Gaming

Updated August 2026 — NZXT N9 X870E - AMD X870E AM5 ATX Gaming leads on power phases and storage slots.

The ASUS ROG Strix B650E-I offers solid performance at a budget-friendly price, while the NZXT N9 X870E excels in power delivery and connectivity features.

Why ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5 is better

Price

More affordable at $209.99

Size

Compact mini-ITX form factor

Basic Features

Adequate for general gaming needs

Why NZXT N9 X870E - AMD X870E AM5 ATX Gaming is better

Power Delivery

Superior 20+2+1 power phase design

Cooling Solutions

Advanced thermal management with dedicated heatsinks

Connectivity

Includes Wi-Fi 7 and USB 4 for faster data transfer

Overall score

ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5
75
NZXT N9 X870E - AMD X870E AM5 ATX Gaming
90

Specifications

SpecASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5NZXT N9 X870E - AMD X870E AM5 ATX Gaming
Power Phases10+220+2+1
M.2 Slots24
Wi-Fi6E7
USB Ports88
Form Factormini-ITXATX

Dimension comparison

ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5NZXT N9 X870E - AMD X870E AM5 ATX Gaming

Overview of the ASUS ROG Strix B650E-I Gaming WiFi

The ASUS ROG Strix B650E-I Gaming WiFi is a mini-ITX motherboard designed for high-performance gaming and computing. Priced at $209.99, this motherboard is tailored for AMD Ryzen 9000, 8000, and 7000 series processors. It features a robust power solution with 10+2 power stages, ensuring reliable performance for multi-core processors.

The board is equipped with advanced connectivity options, including WiFi 6E, 2.5G LAN, and a USB 3.2 Gen 2x2 Type-C port. Notably, it supports PCIe 5.0 and offers two M.2 slots for speedy storage solutions. With a focus on optimized thermal management, the ASUS ROG Strix B650E-I is designed to keep your system cool during intensive tasks.

Overview of the NZXT N9 X870E

The NZXT N9 X870E is a full-sized ATX motherboard that comes at a premium price of $499.99. This board is also compatible with AMD Ryzen 9000, 8000, and 7000 series processors and boasts a 20+2+1 power phase design. This advanced configuration, along with 110A Smart Power Stages, ensures stable power delivery, especially useful for overclocking enthusiasts.

The NZXT N9 X870E stands out with its four M.2 slots, including one PCIe 5.0 and three PCIe 4.0, allowing for extensive storage options. It also features next-gen connectivity with USB 4, Wi-Fi 7, and 5GbE, aimed at gamers and professionals who require high-speed data transfer and low latency networking. Its sleek design, reinforced by a full-metal cover, adds a touch of elegance to any build.

Power Delivery and Stability

In terms of power delivery, the ASUS ROG Strix B650E-I features a 10+2 power stage design, which provides adequate support for Ryzen processors. While this is robust, the NZXT N9 X870E offers a more advanced 20+2+1 power phase setup, emphasizing stability and performance under heavy loads. This design is particularly beneficial for users looking to overclock their systems.

The higher power phase count in the NZXT N9 X870E translates to improved performance, especially in demanding applications such as gaming or content creation. The 110A Smart Power Stages further enhance its capability, making it a clear choice for those seeking maximum stability in their power delivery.

Cooling Solutions

Cooling solutions differ significantly between the two motherboards. The ASUS ROG Strix B650E-I employs thick heatsinks and high conductivity thermal pads to manage VRM thermals effectively. This design helps maintain a quiet cooling system, crucial during intense gaming sessions.

In contrast, the NZXT N9 X870E takes cooling a step further with a dedicated VRM heatsink array, dual PWM fans, and four dedicated M.2 heatsinks. This advanced cooling system ensures optimal thermal management, allowing for sustained performance even during overclocking. Users who prioritize thermal efficiency and system longevity may find the NZXT's cooling solutions superior.

Storage Options

When it comes to storage, the ASUS ROG Strix B650E-I offers two M.2 slots, one of which supports the latest PCIe 5.0 standard. This is sufficient for many users but may seem limiting for those who require extensive storage capabilities.

On the other hand, the NZXT N9 X870E provides four M.2 slots, including one PCIe 5.0 and three PCIe 4.0 slots. This variety allows for significant flexibility in storage configurations, catering to users who need multiple high-speed storage devices. The inclusion of quick-release latches also simplifies the installation process, making it easier for users to upgrade or replace components.

Connectivity Features

Connectivity is another area where these two motherboards differ. The ASUS ROG Strix B650E-I includes WiFi 6E, Bluetooth 5.2, and several USB ports, providing a solid range of options for gamers and professionals alike. Its USB 3.2 Gen 2x2 Type-C port ensures high-speed data transfer, complementing its overall connectivity suite.

The NZXT N9 X870E excels in this category with Wi-Fi 7 and USB 4 capabilities, which significantly enhance data transfer speeds. The inclusion of 5GbE networking further ensures that users experience minimal latency, crucial for online gaming and data-heavy applications. For those who prioritize cutting-edge connectivity, the NZXT N9 X870E is the clear winner.

Design and Aesthetics

In terms of design, the ASUS ROG Strix B650E-I has a compact mini-ITX form factor, making it ideal for smaller builds. Its RGB lighting and customizable features add a personal touch, appealing to gamers who enjoy showcasing their setups.

Conversely, the NZXT N9 X870E features a full-metal cover that not only enhances its aesthetic appeal but also offers a more polished look. The customizable RGB lighting complements its modern design, making it an attractive choice for users aiming for a sleek and stylish build. For those who appreciate aesthetics, the NZXT N9 X870E provides a more sophisticated appearance.

Which should you buy?

Choosing between the ASUS ROG Strix B650E-I Gaming WiFi and the NZXT N9 X870E ultimately depends on your specific needs and budget. The ASUS ROG Strix B650E-I is priced at $209.99, making it a more affordable option for users who want solid performance without breaking the bank. It is particularly well-suited for compact builds and general gaming.

On the other hand, the NZXT N9 X870E, at $499.99, offers superior power delivery, advanced cooling, and enhanced connectivity features. This motherboard is ideal for power users and gamers looking for maximum performance and future-proofing. If your budget allows, the NZXT N9 X870E stands out as a premium choice for high-performance gaming and professional applications.