You've got a spare M.2 drive sitting in a drawer, or your storage is maxed out and the motherboard's full. This card slots straight into a PCIe x4, x8, or x16 slot and hands you two M.2 bays without touching your existing setup.
The M Key slot takes NVMe drives and pushes up to 64Gbps on a PCIe 4.0 lane – that's large file transfers, video editing caches, and game loads without the spin-up wait. The B Key slot handles SATA M.2 drives at 6Gbps for bulk storage or older drives you don't want to retire.
Run both at the same time. No new motherboard, no data migration weekend. Plug it in, drop in your drives, done.
Heads up: the SATA M.2 drive on the B Key slot needs a 7-pin SATA data cable to the motherboard. It's in the box. The low-profile bracket is there too for small cases
| brand | SIMPLECOM |
| model | EC412v2 |
| interface | PCI Express x4 (compatible with x8, x16) |
| nvme_bandwidth | Up to 64Gbps (PCIe 4.0) / 32Gbps (PCIe 3.0) |
| sata_bandwidth | Up to 6Gbps |
| m2_slots | 2 (1× M Key NVMe, 1× B Key SATA) |
| supported_m2_sizes | 2230, 2242, 2260, 2280 |
| sata_cable_required | Yes – 7-pin SATA data cable to motherboard (included) |
| package_contents | 1× PCIe expansion card, 1× low-profile bracket, 1× SATA cable, screw set |
