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M.2 is a solid-state drive (SSD) form factor primarily used as an operating system boot solution. Lenovo ThinkSystem servers support M.2 drives either with the addition of a supported M.2 adapter or module, or directly on the system board.
| General Information | |
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 4Y37A90063 |
| Manufacturer Website Address | http://www.lenovo.com/us/en/ |
| Brand Name | Lenovo |
| Product Model | B540i-2i |
| Product Name | ThinkSystem M.2 RAID B540i-2i SATA/NVMe Adapter |
| Product Type | NVMe/SATA M.2 Controller |
| Technical Information | |
| Host Interface | PCI Express 4.0 x2 |
| Controller Type | Serial ATA |
| Controller Type | NVMe |
| RAID Supported | Yes |
| RAID Levels | JBOD |
| RAID Levels | 0 |
| RAID Levels | 1 |
| Device Supported | Server |
| Operating System Supported | SUSE Linux Enterprise Server 15 SP4 |
| Operating System Supported | Red Hat Enterprise Linux 9.4 |
| Operating System Supported | Red Hat Enterprise Linux 9.5 |
| Operating System Supported | Red Hat Enterprise Linux 9.2 |
| Operating System Supported | Red Hat Enterprise Linux 9.0 |
| Operating System Supported | Red Hat Enterprise Linux 8.1 |
| Operating System Supported | Windows Server 2022 |
| Operating System Supported | Windows Server 2019 |
| Operating System Supported | Red Hat Enterprise Linux 8.6 |
| Operating System Supported | Red Hat Enterprise Linux 8.9 |
| Operating System Supported | Windows Server 2025 |
| Operating System Supported | Ubuntu 24.04 LTS |
| Operating System Supported | Red Hat Enterprise Linux 8.7 |
| Operating System Supported | Windows 10 |
| Operating System Supported | Red Hat Enterprise Linux 8.8 |
| Operating System Supported | Windows 11 |
| Operating System Supported | SUSE Linux Enterprise Server 15 SP5 |
| Operating System Supported | Red Hat Enterprise Linux 9.3 |
| Operating System Supported | SUSE Linux Enterprise Server 15 SP6 |
| Operating System Supported | Red Hat Enterprise Linux 9.1 |
| Interfaces/Ports | |
| Total Number of SATA Ports | 2 |
| Number of SATA Ports (Internal) | 2 |
| Number of M.2 Interfaces | 2 |
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Miscellaneous | |
| Platform Supported | PC |
| Platform Supported | Linux |
| Compatibility | ThinkSystem Servers
|
| Warranty | |
| Limited Warranty | 1 Year |
| Additional Warranty Information | The M.2 adapters carry a one-year, customer-replaceable unit (CRU) limited warranty. When the adapters are installed in a supported server, the adapters assume the server's base warranty and any warranty upgrades. |
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