Expansion Slots - Biostar B550MX/E PRO Manual

2.5 Expansion Slots

PCIEG4X16: PCI-Express Gen3/ Gen4 x16 Slot (x16 Mode)
• PCI-Express 3.0 compliant. The maximum bandwidth of the PCIe slot is 32GB/s.
• PCI-Express 4.0 compliant. The maximum bandwidth of the PCIe slot is 64GB/s.
• Supports PCIe 3.0 x16/ 4.0 x16 mode with AMD® Ryzen™ processors.
• Supports PCIe 3.0 x16 mode AMD® Ryzen™ with Radeon Vega Graphics processors.
PCIEG3X4: PCI-Express Gen3 x16 Slot (x4 Mode)
• PCI-Express 3.0 compliant. The maximum bandwidth of the PCIe slot is 8GB/s.
• Supports PCIe 3.0 x4 mode.
PCIEG3X1: PCI-Express Gen3 x1 Slot
• PCI-Express 3.0 compliant.
• Data transfer bandwidth up to 1GB/s per direction; 2GB/s in total.
M2_PCIEG4_64G_SATA/ M2_PCIEG3_32G_SATA: 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.
• M2_PCIEG4_64G_SATA:
Support M.2 SATA III (6.0 Gb/s) module and M.2 PCI Express module up to Gen4 x4
(64Gb/s) or Gen3 x4 (32Gb/s) - NVMe/ AHCI SSD.
• M2_PCIEG3_32G_SATA:
Support M.2 SATA III (6.0 Gb/s) module and M.2 PCI Express module up to Gen3 x4
(32Gb/s) - NVMe/ AHCI SSD.
Note
» According to different CPUs will have different speeds.
» PCIe 4.0 speed only for AMD® Ryzen™ 3rd Gen Matisse and 4th Gen Vermeer CPUs.
» M.2 (M Key) Socket (M2_PCIEG4_64G_SATA): The bandwidth is depended on CPU.
Supports PCI-E 4.0 x4 (64Gb/s) speed, which depends only on Ryzen 3rd Gen Matisse and 4th Gen
Vermeer CPUs.
» When using PCIe x1 slot (PCIEG3X1), PCIe x16 slot (PCIEG3X4) will be adjusted to x2 lanes.
B550MX/E PRO | B550MH/E PRO
Chapter 2: Hardware installation | 13