Advantest T5851 for sale

The T5851 is a high-speed, protocol-based System-Level Test (SLT) system for NAND flash memory, introduced by Advantest around 2016. Unlike the T5835 (a general-purpose memory tester) that you previously inquired about, the T5851 specializes in SLT for UFS (Universal Flash Storage) and PCIe BGA SSDs. Its primary focus is to verify memory devices under conditions that closely resemble a real-world system environment, rather than performing conventional functional testing at the bare-die level.

Core Capabilities: The system supports UFS 4.0 and PCIe Gen 5 protocols, with test speeds reaching up to 32 Gbps and the capacity to test 512 devices in parallel. It utilizes a "tester-per-DUT" (Device Under Test) architecture combined with proprietary hardware accelerators, which Advantest claims delivers industry-leading test times. This architecture ensures that each device under test has its own dedicated testing resources, eliminating interference between test sites—a critical factor for the reliability of system-level testing.

Platform and Scalability: The T5851 runs on the FutureSuite operating system, ensuring software compatibility with other members of the T5800 series and reducing the costs associated with migrating test programs. It is available in both engineering (T5851ES) and high-volume production configurations, with a modular design that allows for upgrades based on specific device requirements. In 2022, Advantest introduced the T5851-STM16G, an enhanced version that adds support for NVMe BGA SSD testing. Targeted at the automotive storage market—including applications like autonomous driving—this version expands parallel testing capacity to 768 devices (at a data rate of 16 Gbps).

In short, the T5851 is a specialized platform developed by Advantest to capture the UFS/SSD testing market as mobile and automotive storage technologies transition toward high-speed serial protocols. By leveraging a "system-level test + tester-per-DUT" architecture, it serves a distinct purpose compared to the T5835 (which is designed for general-purpose wafer/package testing), creating a clear division of application scope between the two systems.