ASROCK PHANTOM GAMING 4 B550 User Manual

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2.4 Expansion Slots (PCI Express Slots)
ere are 4 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 4.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIE4 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
Before installing an expansion card, please make sure that the power supply is
switched o or the power cord is unplugged. Please read the documentation of the
expansion card and make necessary hardware settings for the card before you start
the installation.
PCIE1 PCIE3
Ryzen Series CPUs (Matisse) Gen4x16 Gen3x4
Ryzen Series APUs (Renoir) Gen3x16 Gen3x4
For a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP or
CHA_FAN4/WP) when using multiple graphics cards.

ASROCK PHANTOM GAMING 4 B550 Specifications

General

Chipset	AMD B550
CPU Socket	AM4
Form Factor	ATX
Maximum Memory	128GB
SATA 6Gb/s Ports	6
RAID Support	RAID 0, 1, 10
Memory Slots	4
M.2 Slots	2
USB 3.2 Gen2 Ports	2
LAN	Gigabit Ethernet
Audio	Realtek ALC1200 7.1-Channel High Definition Audio
Memory Speed	DDR4 4733MHz (OC)
Multi-GPU Support	AMD CrossFireX
PCIe Slots	2 x PCIe 4.0 x16, 2 x PCIe 3.0 x1