Lenovo's ThinkCentre X Ultra puts 128GB of unified memory in a 1.6-liter box, and you can cluster four of them together

Lenovo unveiled the ThinkCentre X Ultra at IFA 2026, a compact desktop computer boasting a 1.6-liter form factor. Priced at $3,699 starting in November 2026, this machine is equipped with AMD's Ryzen AI Max+ PRO 495, one of the top-tier processors currently available. The configuration option enables up to 128GB of unified memory, which is the key selling point of this new class of desktops designed for agentic AI applications.

The unit can be clustered with up to three additional units, effectively pooling their processing power and memory to manage large AI models locally, eliminating the need for cloud-based alternatives. This configuration provides the user with a significant increase in computational resources, allowing for longer context windows and multi-agent workflows without the constraints of cloud-hosted services.

The powerful AMD Ryzen AI Max+ PRO 495 features 16 Zen 5 cores, 40 compute units in the Radeon 8065S integrated GPU, and a Neural Processing Unit (NPU) rated at around 55 TOPS. The standout feature of this processor is the shared memory pool, where both the CPU and GPU access the same LPDDR5X memory, enabling the handling of models that would typically require high-end GPUs with 24GB or 32GB of VRAM.

Lenovo also pairs this processor with enterprise-class security, AMD's PRO technologies, DASH out-of-band manageability, and a self-healing BIOS, which is consistent across the entire ThinkCentre line. Additionally, the ThinkCentre X Ultra integrates the AMD Ryzen AI Developer Center, providing preconfigured tools, models, and workflows that seamlessly operate on both Windows and Linux platforms.

Although the Yoga laptops released alongside it also support up to 128GB of unified memory, they lack the clustering capability and additional hardware required to build a localized AI server. However, the price of nearly $15,000 for four of these units—assuming a cost of $3,699 per unit—may be a deterrent for many potential buyers.

Lenovo has not disclosed the connectivity details, the bandwidth units when running four units together, or the performance implications of such a setup. The Ryzen AI Max+ PRO 495, while fast, is outperformed by dedicated GPUs like the Nvidia H100 in many scenarios. Despite these concerns, the ThinkCentre X Ultra offers visually appealing design with adaptive lighting, providing real-time visual feedback on the system's status.

The question remains as to how Lenovo's offering will fare against other Ryzen AI PRO 400 APUs that are increasingly becoming available to developers and AI users worldwide.