Broadcom MegaRAID 9540-2M2 PCIe 4.0 Dual M.2 NVMe/SATA RAID Boot Adapter
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Broadcom
05-50148-00
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Broadcom MegaRAID 9540-2M2 — Dual M.2 Boot RAID Adapter
2 × M.2 drivesNVMe or SATAPCIe 4.0 x8RAID 0 / 1
The Broadcom MegaRAID 9540-2M2, part number 05-50148-00, is a low-profile boot RAID adapter designed for two onboard M.2 SSDs. It supports either two M.2 NVMe drives or two M.2 SATA drives and connects to the host through an eight-lane PCI Express Gen 4 interface.
Compatibility — check before buying:
This adapter is specifically intended for two onboard M.2 SSDs. Both installed drives should use the same storage technology for the intended configuration: NVMe or SATA. The 9540-2M2 supports RAID 0 and RAID 1; it is not a general-purpose eight-port SAS/SATA RAID controller despite using the Broadcom SAS3808 controller architecture.
Best For
✓ Mirrored server boot SSDs
✓ Two-drive M.2 RAID 0 or RAID 1
✓ NVMe or SATA M.2 boot storage
✓ Low-profile server installations
Key Features
Two onboard M.2 slots
The adapter carries two M.2 drive connectors directly on the card, allowing a compact boot-storage configuration without consuming front drive bays.
NVMe or SATA flexibility
Broadcom Tri-Mode technology allows the card to automatically work with compatible M.2 NVMe or M.2 SATA SSDs, supporting PCIe Gen 4 NVMe and SATA 6Gb/s storage interfaces.
RAID 0 and RAID 1
RAID 0 is available for striped performance, while RAID 1 provides mirrored boot storage where redundancy between two supported M.2 SSDs is required.
Hardware secure boot
The adapter incorporates Broadcom hardware secure boot technology, which authenticates firmware through a hardware-rooted chain of trust before allowing firmware execution.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
The 9540-2M2 is a specialised two-drive boot RAID adapter, not a conventional multi-port MegaRAID card. Its main advantage is that two M.2 SSDs mount directly on the adapter, keeping operating-system storage separate from the server's primary drive bays. It supports both NVMe and SATA M.2 media, but its RAID scope is intentionally limited to RAID 0 and RAID 1. Broadcom has also announced this 9540-series model as end-of-life, with the newer 9520-2M2 positioned as its successor.
Buyer’s Guide
Buy it if
You need two onboard M.2 SSDs for boot storage and want RAID 1 redundancy or RAID 0 striping without occupying standard drive bays.
Skip it if
You need more than two drives, SAS connectivity, RAID 5/6 or a conventional cable-connected storage controller.
Exact variant
This listing is specifically for Broadcom MegaRAID 9540-2M2 single-pack part number 05-50148-00, EAN 0830343007806.
Features - Broadcom - 05-50148-00
More Details
Product Code
04:472150
EAN Code
0830343007806
Manufacturer
Broadcom