Expansion Slots - Biostar B550MH User Manual

2.5 Expansion Slots

PEX16_1: PCI-Express (Gen3/ Gen4) x16 Slot
• PCI-Express 3.0 compliant. Maximum bandwidth total of 32GB/s.
• PCI-Express 4.0 compliant. Maximum bandwidth 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.
M2_PCIE_SATA1: M.2 (M Key) Socket
• The M.2 slot supports M.2 Type 2242/2260/2280 SSD module. When installing M.2 SSD
module, please place the screw and hex pillar to correct position.
• Support M.2 SATA III (6.0 Gb/s) module and M.2 PCI Express module up to Gen3 x4
(32Gb/s) or Gen4 x4 (64Gb/s) - NVMe & AHCI SSD.
Note
» PCIe 4.0 speed is only applicable to AMD® Ryzen™ 3rd Gen Matisse, and will have different speeds
according to different CPUs.
» M.2 (M Key) Socket: The bandwidth is depended on CPU.
Supports PCI-E 4.0 x4 (64Gb/s) speed, which depends only on Ryzen 3rd Gen Matisse.
12 | Chapter 2: Hardware installation