Silicon Motion allegedly readying SM8466 SSD controller with PCIe 6.0 x4 interface - rumors indicate reveal at FMS 2025, promising speeds of up to 28GB per second
The technology world is abuzz with anticipation as Silicon Motion (SMI) unveils its latest innovation, the MonTitan SM8466 SSD controller. This groundbreaking technology is expected to be at the heart of next-generation AI servers based on Nvidia's Rubin GPUs.
The MonTitan SM8466 SSD controller is designed for enterprise SSDs and supports 16 NAND channels, making it compatible with all upcoming types of 3D NAND memory. With a capacity of up to 512 TB, these SSD drives are poised to offer significant storage solutions for AI applications.
SMI believes that AI will be the main application that will take advantage of PCIe Gen6 drives, and the MonTitan SM8466 SSD controller is no exception. The controller, which is compliant with NVMe 2.0+ and OCP NVMe SSD Spec 2.5 specifications, enables sequential read speeds of up to 28 GB/s and random read/write throughput of 7M IOPS.
The performance of SM8466-based SSDs exceeds that of both the best client SSDs and most available enterprise-grade drives, making it an ideal choice for AI applications that require high-speed data processing.
The emergence of SM8466-based products is linked to the ramp of next-generation AI servers. SMI plans to use TSMC's 4nm-class fabrication process to build the SM8466 controller, ensuring top-notch performance and efficiency.
However, the adoption of SSDs with PCIe 6.0 x4 for traditional storage applications is not expected until 2030 or later. For the MonTitan SM8466 SSD controller, partners are expected to start shipping SM8466-based products sometime in late 2026 - early 2027.
The leaked slide from SMI's presentation reveals the general specifications of the MonTitan SM8466 SSD controller but does not disclose when actual drives powered by the controller will be available. The search results do not specify which companies plan to produce Silicon Motion's MonTitan SM8466-based SSDs in 2026/2027.
The SM8466 includes SR-IOV/MPF for virtualization, SMART monitoring, and end-to-end data protection. Security features of the SM8466 include Secure Boot, AES-256 encryption, TCG Opal compliance, and firmware attestation.
The MonTitan SM8466 SSD controller is set to be introduced at the FMS 2025 conference, marking a significant step forward in the storage solutions for AI applications. As we eagerly await the arrival of SM8466-based products, it's clear that the future of AI storage is bright.
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