Lenovo 4c57a85377 Thinksystem M.2 Sata/Nvme 2-Bay

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

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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

Specifications :

Specification	Details
Part Number	4C57A85377
Product Type	M.2 SSD Backplane Adapter
Drive Support	2x M.2 SATA or NVMe SSDs
Form Factor	2-Bay Internal Backplane
Interface	SATA III / PCIe NVMe (M.2)
Hot-Swap Support	Yes
Compatibility	Lenovo ThinkSystem Servers
Installation	Tool-less
Use Case	Boot drive, cache, fast storage tier
Dimensions (Approx.)	Server-internal fit; varies by chassis
Weight	Lightweight (varies by server config)
Operating Temperature	0°C to 40°C
Storage Temperature	-20°C to 60°C
Material	Metal & industrial-grade plastics
Warranty	1-Year Limited Warranty