Lenovo 4C57A85377
ThinkSystem M.2 SATA/NVMe 2-Bay Backplane Kit
The Lenovo 4C57A85377 ThinkSystem M.2 SATA/NVMe 2-Bay is a high-performance backplane adapter engineered for Lenovo ThinkSystem servers. Supporting two M.2 drives (SATA or NVMe), this accessory enables fast and compact storage configurations ideal for boot, cache, or application acceleration. Designed for enterprise environments, it offers a reliable, cost-effective solution for expanding internal storage while maintaining serviceability.
Introduction :
This 2-bay M.2 backplane allows IT administrators to take advantage of the speed and efficiency of M.2 SSDs inside rack-mounted servers. Supporting both SATA and NVMe protocols, it offers flexible deployment options based on workload demands—whether optimizing for throughput, latency, or cost.
Expanded Overview :
The backplane is hot-swap capable, allowing drives to be serviced or replaced without taking the server offline. This ensures improved uptime and operational continuity for enterprise applications such as virtualization, cloud hosting, database acceleration, and high-frequency trading.
Its tool-less design simplifies installation and service procedures, minimizing time spent on physical hardware management. With direct compatibility with Lenovo ThinkSystem servers, this backplane integrates seamlessly into existing infrastructures and is fully supported by Lenovo XClarity and management tools.
Product Key Features
- Supports up to 2x M.2 SATA or NVMe SSDs
- Compatible with select Lenovo ThinkSystem servers
- Enables high-speed boot drive or cache configurations
- Hot-swap support for non-disruptive maintenance
- Tool-less installation and serviceability
- Compact 2-bay form factor
Reliability & Performance :
Built to enterprise-grade standards, the Lenovo 4C57A85377 supports high IOPS and low-latency SSD configurations, delivering the performance required for demanding business workloads. Its dual M.2 architecture improves redundancy and storage density within limited space. As a hot-swappable component, it enhances system availability, while its Lenovo engineering ensures high compatibility, robust performance, and simplified lifecycle management for enterprise IT operations.
Key Features :
- Supports 2x M.2 SATA or NVMe SSDs
- Designed for Lenovo ThinkSystem servers
- Enables boot, cache, or storage tiering
- Hot-swap capable for improved uptime
- Tool-less design for easy installation
- Compact and efficient 2-bay form factor
- Flexible protocol support (SATA or NVMe)
- Enterprise-grade reliability and performance
- Seamless integration with Lenovo management tools
- Optimized for high-density storage configurations



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