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Lenovo 4Y37A09735 ThinkSystem RAID 940-16i 8GB Flash PCIe Gen4 12Gb Internal Adapter
- 16 internal SAS lanes
- PCIe Gen4 x8 interface
- Supports SAS-3 (12Gb/s) and SATA (6Gb/s) drives
- 8GB Flash-backed Write Cache (FBWC)
- RAID levels 0, 1, 10, 5, 50, 6, 60 support
- Designed for Lenovo ThinkSystem servers
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Product Overview
The Lenovo ThinkSystem RAID 940-16i is an internal RAID adapter designed for high-performance storage connectivity in servers. It features 16 internal SAS lanes and supports PCIe Gen4, offering significant bandwidth for demanding storage applications. With 8GB of flash cache, it accelerates I/O operations and improves overall system responsiveness.
Technical Information
| Model | 4Y37A09735 |
| Brand | Lenovo |
| Product Line | ThinkSystem RAID 940-16i |
| Interface | PCIe Gen4 x8 |
Additional Specifications
| Internal Ports | 16 SAS lanes |
| Cache | 8GB Flash |
| Supported Speeds | 12Gb/s SAS, 6Gb/s SATA |
| RAID Levels | 0, 1, 10, 5, 50, 6, 60 |
Product Description
The Lenovo ThinkSystem RAID 940-16i is a high-performance internal RAID adapter engineered to provide robust and scalable storage connectivity for Lenovo's ThinkSystem servers. This adapter boasts 16 internal SAS lanes, allowing it to connect to a significant number of SAS or SATA drives directly within the server chassis. Its PCIe Gen4 x8 interface ensures maximum bandwidth utilization, delivering up to 16 GT/s per lane, which is crucial for high-speed storage solutions and demanding applications. Equipped with 8GB of flash-backed write cache (FBWC), the RAID 940-16i significantly accelerates write operations by temporarily storing data before it is written to the drives. This cache is protected by flash memory, ensuring data integrity even in the event of a power loss. The adapter supports a comprehensive range of RAID levels, including 0, 1, 10, 5, 50, 6, and 60, providing flexibility in configuring storage arrays for optimal performance, redundancy, or a balance of both. This adapter is designed to support both 12Gb/s SAS and 6Gb/s SATA drives, offering compatibility with a wide variety of storage media. It is an ideal solution for environments requiring high I/O performance, such as databases, virtualization platforms, and large-scale data analytics. The integration within the Lenovo ThinkSystem ecosystem ensures seamless compatibility and optimized performance for supported server models.



