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Dell WX5KW BOSS-S1 M.2 6G PCI-E MX Blade Controller Card
- BOSS-S1 (Boot Optimized Storage Solution) controller
- Supports M.2 SATA SSDs
- 6Gb/s SATA interface
- PCIe interface for server connectivity
- Designed for Dell PowerEdge C-Series servers
- Provides boot drive redundancy with dual M.2 slots
- Hot-swappable M.2 drives
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Product Overview
The Dell WX5KW is a BOSS-S1 M.2 6Gb/s PCI-E Blade Controller Card. It is designed for Dell PowerEdge C-Series servers to provide boot-optimized storage solutions.
Technical Information
| Controller Type | BOSS-S1 |
| Interface | SATA 6Gb/s |
| Form Factor | M.2 |
Additional Specifications
| Slot Type | PCIe |
| Number of M.2 Slots | 2 |
| Compatibility | Dell PowerEdge C-Series |
Product Description
The Dell WX5KW is a Boot Optimized Storage Solution (BOSS-S1) controller card designed to provide a robust and efficient boot drive configuration for Dell PowerEdge C-Series servers. This PCIe card allows for the installation of two M.2 SATA SSDs, offering a high-performance and reliable platform for the server's operating system and critical boot files. The 6Gb/s SATA interface ensures fast data transfer speeds for the M.2 drives, significantly improving boot times and overall system responsiveness. One of the key features of the WX5KW controller is its support for RAID 1 (mirroring) between the two M.2 drives. This provides data redundancy, ensuring that the server can continue to boot even if one of the M.2 SSDs fails. The M.2 drives are also hot-swappable, allowing for replacement without the need to power down the server, which is crucial for maintaining high availability in enterprise environments. This controller card is specifically engineered for integration into Dell PowerEdge C-Series servers, simplifying deployment and ensuring compatibility. By offloading the boot drive function to a dedicated PCIe card with M.2 SSDs, it frees up internal drive bays for additional storage capacity and enhances the overall reliability and performance of the server's boot process. The WX5KW is an essential component for modern server infrastructure requiring fast, reliable, and redundant boot capabilities.

