RB4M2_G4 Expansion Card provides PCIe 4.0 x16 slot connectivity for up to four M.2 SSDs. Each of the four M.2 slots on the board gets four PCIe 4.0 lanes.
Two slots located in each side of the PCB making a more compact board compared to all four drives are located on one side, it is important because the board is geared towards high density server applications. Slots accommodate M.2 drives of 2242, 2260, 2280 and even 22110.
Note that only PCIe SSDs are supported, not SATA.
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Specifications
| Physical Status | |
| Dimensions | 2.90" x 5.70" (73.65 mm x 144.78 mm) |
| Type | PCB material: NPG-170D+H1 |
| I/O | |
| Upstream interface | PCIe4.0 x16 |
| Internal connectors | 4 M.2 M-key (PCIe4.0 x4); support 22110/2280/2260/2242 form factors |
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