Serial ATA, NVMe - PCI Express 4.0 x2 - Plug-in Card - RAID Supported - 0, 1, JBOD RAID Level - 2 Total SATA Port(s) - 2 SATA Port(s) Internal - 2 x M.2 Interface(s) - PC, Linux - Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Windows Server 2025, Red Hat Enterprise Linux 8.1, Red Hat Enterprise Linux 8.6, Red Hat Enterprise Linux 8.7, Red Hat Enterprise Linux 8.8, Red Hat Enterprise Linux 8.9, Red Hat Enterprise Linux 9.0, ... Supported Operating System
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SKU
4Y37A90063
Category
SCSI/RAID Controllers
Overview
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.
Highlights
Supports one or two M.2 drives, either SATA or NVMe
Support 42mm, 60mm, 80mm and 110mm drive form factors (2242, 2260, 2280 and 22110)
RAID support via an onboard Broadcom SAS3808N RAID Controller
With 1 drive, supports JBOD
With 2 drives, supports 2-drive RAID-0, 2-drive RAID-1, or JBOD
PCIe 4.0 x2 host interface; PCIe 4.0 x1 connection to each drive
Management and configuration support via UEFI and OS-based tools
Supports monitoring and reporting of events and temperature
Firmware update via Lenovo firmware update tools
Supports SED drive encryption
Specifications
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.
Host Interface
PCI Express 4.0 x2
Product Type
NVMe/SATA M.2 Controller
Device Supported
Server
Manufacturer Part Number
4Y37A90063
Platform Supported
PC, Linux
Limited Warranty
1 Year
Form Factor
Plug-in Card
Manufacturer
Lenovo Group Limited
Product Model
B540i-2i
Product Name
ThinkSystem M.2 RAID B540i-2i SATA/NVMe Adapter
RAID Levels
0, 1, JBOD
Controller Type
Serial ATA, NVMe
Brand Name
Lenovo
Operating System Supported
Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Windows Server 2025, Red Hat Enterprise Linux 8.1, Red Hat Enterprise Linux 8.6, Red Hat Enterprise Linux 8.7, Red Hat Enterprise Linux 8.8, Red Hat Enterprise Linux 8.9, Red Hat Enterprise Linux 9.0, Red Hat Enterprise Linux 9.1, Red Hat Enterprise Linux 9.2, Red Hat Enterprise Linux 9.3, Red Hat Enterprise Linux 9.4, SUSE Linux Enterprise Server 15 SP4, SUSE Linux Enterprise Server 15 SP5, SUSE Linux Enterprise Server 15 SP6, Red Hat Enterprise Linux 9.5, Ubuntu 24.04 LTS
