Expansion Slots - Biostar A520MH Manual

2.5 Expansion Slots

PEX16_1: PCI-Express (Gen3/ Gen4) x16 Slot
A520MH:
• PCI-Express 3.0 compliant. Theoretical maximum bandwidth using two slots
simultaneously is 16GB/s for each slot, a total of 32GB/s.
• Supports PCIe 3.0 x16 mode with AMD® Ryzen™ processors. (Matisse only)
• Supports PCIe 3.0 x16 mode AMD® Ryzen™ with Radeon Vega Graphics processors.
(Renoir only)
B550MH:
• PCI-Express 3.0 compliant. Theoretical maximum bandwidth using two slots
simultaneously is 16GB/s for each slot, a total of 32GB/s.
• PCI-Express 4.0 compliant. Theoretical maximum bandwidth using two slots
simultaneously is 32GB/s for each slot, a total of 64GB/s. (Matisse Only)
• Supports PCIe 4.0 x16 mode with AMD® Ryzen™ processors. (Matisse only)
• Supports PCIe 3.0 x16 mode AMD® Ryzen™ with Radeon Vega Graphics processors.
(Renoir only)
PEX1_1/ PEX1_2: PCI-Express (Gen3) x1 Slot
• PCI-Express 3.0 compliant.
• Data transfer bandwidth up to 1GB/s per direction; 2GB/s in total.
Note
» PCIe 4.0 speed is only applicable to AMD® Ryzen™ 3rd Gen Matisse, and will have different speeds
according to different CPUs.
14 | Chapter 2: Hardware installation