WisdPi launched a PCIe expansion card based on the AMD Promontory 21 chipset. The card adds USB, M.2, and OCuLink connectivity to a desktop PC.
Card uses AMD Promontory 21 chipset
The PROM21 card is a PCIe AIC (add-in card) that plugs into a motherboard's PCIe slot. It uses a PCIe Gen4 x4 upstream interface to the host system.
Specifications
- Dimensions: 170mm x 70mm
- Upstream Interface: PCIe Gen4 x4
- USB-C Port: 1x USB-C 20Gbps
- USB-A Ports: 4x USB-A 10Gbps
- USB Headers: 3x USB 480Mbps headers
The card measures 170mm by 70mm. It provides one USB-C port at 20Gbps, four USB-A ports at 10Gbps, and three USB 480Mbps headers for internal connections.
Pricing and availability
Storage connectivity includes four M.2 slots and one OCuLink port. The four M.2 slots share PCIe Gen4 x8 bandwidth, configurable as two x4 or four x2 links. The OCuLink port can be set to SATA or PCIe mode.
WisdPi prices the PROM21 expansion card at $199.99. The card is available now on the company's website.
The PROM21 card offers a dense combination of USB and storage expansion in a single slot. It is a practical option for users needing extra M.2 drives and high-speed USB ports.
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