About the product
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.
Technical Specifications
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Warranty | |
| 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. |
| Interfaces/Ports | |
| Total Number of SATA Ports | 2 |
| Number of SATA Ports (Internal) | 2 |
| Number of M.2 Interfaces | 2 |
| Miscellaneous | |
| Compatibility | ThinkSystem Servers
|
| Platform Supported | PC |
| Linux | |
| General Information | |
| Product Type | NVMe/SATA M.2 Controller |
| Manufacturer Part Number | 4Y37A90063 |
| Manufacturer Website Address | http://www.lenovo.com |
| Manufacturer | Lenovo Group Limited |
| Product Model | B540i-2i |
| Product Name | ThinkSystem M.2 RAID B540i-2i SATA/NVMe Adapter |
| Brand Name | Lenovo |
| Technical Information | |
| Host Interface | PCI Express 4.0 x2 |
| Device Supported | Server |
| RAID Levels | JBOD |
| 1 | |
| 0 | |
| Controller Type | Serial ATA |
| NVMe | |
| Operating System Supported | SUSE Linux Enterprise Server 15 SP4 |
| Red Hat Enterprise Linux 8.1 | |
| Red Hat Enterprise Linux 9.5 | |
| Red Hat Enterprise Linux 9.4 | |
| SUSE Linux Enterprise Server 15 SP5 | |
| SUSE Linux Enterprise Server 15 SP6 | |
| Ubuntu 24.04 LTS | |
| Windows 10 | |
| Windows 11 | |
| Windows Server 2025 | |
| Red Hat Enterprise Linux 8.9 | |
| Red Hat Enterprise Linux 8.8 | |
| Red Hat Enterprise Linux 8.7 | |
| Red Hat Enterprise Linux 8.6 | |
| Red Hat Enterprise Linux 9.3 | |
| Red Hat Enterprise Linux 9.2 | |
| Red Hat Enterprise Linux 9.1 | |
| Windows Server 2019 | |
| Windows Server 2022 | |
| Red Hat Enterprise Linux 9.0 | |
| RAID Supported | Yes |
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