Lenovo ThinkSystem S4520 240GB 2.5" SATA 6Gb/s Read Intensive SSD

Overview

The Lenovo 4XB7A17072 is a 240 GB solid state drive designed for ThinkSystem servers, featuring a 2.5 inch hot-swap form factor and a SATA interface with 6 Gb per second transfer speeds. It is optimized for read-intensive workloads, delivering up to 470 MB/s sequential read speeds and handling up to 45,000 IOPS for random 4 KB reads. This drive is ideal for environments where fast data access and reliability are critical, such as virtual desktop infrastructure, web hosting, and analytics databases.

Key features

• High-speed SATA interface that supports quick data transfers up to 6 Gb/s, ensuring smooth communication with the server.
• Optimized for read-heavy workloads, providing fast sequential and random read performance to reduce latency in data retrieval.
• Durable design with an endurance rating of 2.5 device writes per day and a total of 1 petabyte written, suitable for continuous data center operation.
• Advanced 144-layer Intel 3D NAND TLC flash technology for efficient and stable storage performance over time.
• Built-in thermal throttling and power-loss protection capacitors to maintain data integrity and consistent performance under varying conditions.
• End-to-end error detection and S.M.A.R.T. health monitoring to help administrators proactively manage drive health and prevent unexpected failures.
• Hot-swap capability allows easy replacement or upgrade without shutting down the server, minimizing downtime.

Key specs

• Capacity: 240 GB
• Form factor: 2.5 inch hot-swap
• Interface: SATA 6 Gb/s
• Sequential read speed: up to 470 MB/s
• Sequential write speed: up to 233 MB/s
• Random read IOPS (4 KB): up to 45,000
• Random write IOPS (4 KB): up to 16,500
• Endurance: 2.5 device writes per day, 1 PB total bytes written
• Flash technology: 144-layer Intel 3D NAND TLC

Connectivity and compatibility

This SSD connects via a standard SATA interface at 6 Gb/s, making it compatible with a wide range of ThinkSystem servers that support 2.5 inch hot-swap drives. Its design fits seamlessly into existing server bays, allowing for straightforward integration into data center environments focused on read-intensive applications.

Performance and reliability

The drive’s firmware and hardware are engineered to maintain consistent performance even under heavy read workloads. Thermal throttling prevents overheating, while power-loss protection capacitors safeguard data during unexpected outages. These features, combined with comprehensive error detection and health monitoring, ensure the drive remains dependable for mission-critical server tasks.

Ideal uses and environments

This SSD is well suited to data centers and enterprise environments where read speed and reliability are paramount. It excels as a boot volume for ThinkSystem nodes, supports virtual desktop infrastructure with heavy read demands, and enhances web hosting and analytics platforms by delivering fast, predictable access to stored data. Its endurance and protection features make it a strong choice for continuous operation in demanding server setups.