ASROCK PHANTOM GAMING 4 B550 User Manual

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2.8 CrossFireX
TM
and Quad CrossFireX
TM
Operation Guide
is motherboard supports CrossFireX
TM
and Quad CrossFireX
TM
that allows you
to install up to two identical PCI Express x16 graphics cards.
2.8.1 Installing Two CrossFireX
TM
-Ready Graphics Cards
Step 1
Insert one graphics card into PCIE1 slot
and the other graphics card to PCIE3 slot.
Make sure that the cards are properly
seated on the slots.
Step 2
Connect two graphics cards by installing
a CrossFire Bridge on the CrossFire Bridge
Interconnects on the top of the graphics
cards. (e CrossFire Bridge is provided
with the graphics card you purchase, not
bundled with this motherboard. Please
refer to your graphics card vendor for
details.)
1. You should only use identical CrossFireX
TM
-ready graphics cards that are AMD
certied.
2. Make sure that your graphics card driver supports AMD CrossFireX
TM
technology.
Download the drivers from the AMD’s website: www.amd.com
3. Make sure that your power supply unit (PSU) can provide at least the minimum
power your system requires. It is recommended to use a AMD certied PSU. Please
refer to the AMD’s website for details.
4. If you pair a 12-pipe CrossFireX
TM
Edition card with a 16-pipe card, both cards will
operate as 12-pipe cards while in CrossFireX
TM
mode.
5. Dierent CrossFireX
TM
cards may require dierent methods to enable CrossFi-
reX
TM
. Please refer to AMD graphics card manuals for detailed installation guide.
CrossFire Bridge

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