Lenovo ThinkSystem 2.5" PM1645a 1.6TB SAS 12Gb Hot Swap SSD

Equipment Overview

The Lenovo ThinkSystem PM1645a Mainstream SSD is a 2.5-inch enterprise-grade solid-state drive with 1.6 TB capacity, engineered for Lenovo ThinkSystem server platforms. It utilizes a 12 Gb SAS interface to deliver balanced performance for mainstream workloads, including virtualization, database transactions, and general server storage. The hot-swap capability ensures minimal service disruption during drive replacement in operational environments. This drive is positioned as a reliable storage component for data center deployments requiring consistent throughput and capacity.

Main Parameters

• Type: SSD (Solid-State Drive)
• Form Factor: 2.5 inches
• Capacity: 1.6 TB
• Interface: SAS 12 Gb/s
• Hot-Swap Support: Yes
• Series: PM1645a Mainstream
• Compatibility: Lenovo ThinkSystem ST550, SR530, SR550, SR570, SR590, SR630, SR650, SR670, SR635, SR655, SR645, SR665, SR850, SR860, SR950 (V2/V3)

Key Advantages

This SSD is selected for enterprise projects due to its mainstream performance class, which balances cost-efficiency with dependable SAS connectivity for mission-critical server operations. The 12 Gb/s interface provides high data transfer rates suitable for mixed-use workloads, while the hot-swap design reduces maintenance downtime. Its validated compatibility with a wide range of Lenovo ThinkSystem V2/V3 servers simplifies procurement and ensures predictable integration.

Compatibility & Integration

The drive is specifically designed for Lenovo ThinkSystem server models listed under MPN ST550/SR530/550/570/590/630/650/670/635/655/645/665/850/860/950 for V2/V3 platforms. It adheres to standard 2.5-inch SAS enterprise SSD specifications, enabling straightforward installation into supported server drive bays. The PM1645a series is optimized for Lenovo storage controllers and firmware environments, ensuring seamless operation within certified configurations.