Asus ExpertCenter PN55: Compact Powerhouse with Ryzen AI 400 Processors

Asus has officially launched the ExpertCenter PN55, a remarkably compact mini PC designed to deliver desktop-level performance in a small form factor. The PN55 distinguishes itself by offering a range of AMD Ryzen AI 400 series processor options, supporting up to 96GB of RAM, and providing up to 4TB of storage – all within a diminutive chassis.

AI-Driven Performance with AMD Ryzen AI 400 Series

The core of the ExpertCenter PN55’s capabilities lies in its support for AMD Ryzen AI 400 series processors, featuring an AMD XDNA™ 2 NPU capable of delivering up to 55 AI TOPS (trillions of operations per second). Asus highlights that these processors, boasting up to 12 high-performance cores, accelerate productivity and collaboration, particularly in AI workloads like project management and code compilation.

Processor Options and Integrated Graphics

The PN55 offers a diverse selection of APU options to cater to various needs and budgets. Available processors include:

• AMD Ryzen AI 9 HX 470
• AMD Ryzen AI 9 465
• AMD Ryzen AI 7 Pro 450
• AMD Ryzen AI 7 450
• AMD Ryzen AI 7 445
• AMD Ryzen AI 5 Pro 440
• AMD Ryzen AI 5 435
• AMD Ryzen AI 5 430

Integrated graphics options range from the Radeon 890M, found in the higher-end models, to the Radeon 840M, 860M, and 880M in lower-tier SKUs. Even as the Radeon 890M is a capable iGPU, it’s performance is less than newer generations like the Arc B390.

Memory, Storage, and Connectivity

The ExpertCenter PN55 supports up to 96GB of user-replaceable DDR5-5600 memory and offers dual M.2 2280 slots for NVMe SSDs, allowing for up to 4TB of storage. Liliputing notes the toolless design simplifies upgrades.

Connectivity is comprehensive for a device of this size, including:

• Triple USB 3.2 Gen 2 Type-A, one USB 2.0 Type-A
• USB4 and USB 3.2 Gen 2 Type-C
• Dual DisplayPort 1.4 and HDMI 2.1
• Dual 2.5G Ethernet
• Up to WiFi 7
• Audio combo jack

The inclusion of dual 2.5G Ethernet ports is particularly beneficial for professional users requiring fast and reliable network connections.

Compact Design and Business Features

The PN55 measures just 5.12 x 5.12 x 1.34 inches and weighs approximately 0.6 kg (1.32 pounds). Notebookcheck highlights its portability and suitability for space-constrained environments. It also incorporates features geared towards business and enterprise use, such as a Kensington lock slot, VESA mount support, and MIL-STD-810H certification, along with a built-in mono speaker and fingerprint sensor.

Availability and Pricing

As of March 19, 2026, Asus has not yet announced official pricing or availability details for the ExpertCenter PN55. However, more information is expected to be released soon.