ASROCK B550 Phantom Gaming-ITX/ax User Manual

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B550 Phantom Gaming-ITX/ax
*e diagrams shown here are for reference only. e headers might be in a dierent position
on your motherboard.
2.3 Installing Memory Modules (DIMM)
is motherboard provides two 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
AMD non-XMP Memory Frequency Support
Ryzen Series CPUs (Matisse):
Ryzen Series APUs (Renoir):
1. For dual channel conguration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one memory
module installed.
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.
UDIMM Memory Slot
Frequency
(Mhz)
A1 B1
SR - 3200
- SR 3200
DR - 3200
- DR 3200
SR SR 3200
DR DR 3200
UDIMM Memory Slot
Frequency
(Mhz)
A1 B1
SR - 3200
- SR 3200
DR - 3200
- DR 3200
SR SR 3200
DR DR 3200

ASROCK B550 Phantom Gaming-ITX/ax Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5
Memory channels	Dual-channel
Memory slots type	DIMM
Unbuffered memory	Yes
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	2133, 2400, 2667, 2933, 3200, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4466, 4533, 4600, 4666, 4733, 4800, 4866, 4933, 5000 MHz
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
Parallel processing technology support	Not supported
USB 2.0 connectors	1
Number of SATA III connectors	4
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
DisplayPort version	1.4
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
LAN controller	Intel I225-V
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax)
Bluetooth version	5.2
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
Ethernet interface type	2.5 Gigabit Ethernet
Component for	PC
Motherboard chipset	AMD B550
Audio output channels	7.1 channels
Motherboard form factor	mini ITX
Windows operating systems supported	Windows 10 x64, Windows 11 x64
BIOS type	UEFI AMI
ACPI version	5.1
BIOS memory size	256 Mbit
System Management BIOS (SMBIOS) version	2.3
Cables included	SATA

Weight and Dimensions

Width	170 mm