Asus PRIME B840M-A WIFI Motherboard

Asus PRIME B840M-A WIFI AM5 Micro ATX

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Model	PRIME B840M-A WIFI 90MB1J20-M0EAY0
Release Date	January 2025 * First availability for purchase, it may not correspond to the actual market launch date.
Socket	AM5
Form factor	Micro ATX
Chipset	AMD B840
Supported Memory	DDR5 6400Mhz 6600Mhz 6800Mhz 7200Mhz 7600Mhz View compatible RAM ► * High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support	No
SLI Support	No
CrossFire Support	No
RAID Support	Yes
Back Connect	No
Wireless LAN	Yes
Wi-Fi Generation	6E
PCI-Express x16 Slots	3
PCI-Express x4 Slots	0
PCI-Express x1 Slots	0
SATA 6 Gbps Ports	4
SATA Express Ports	0
M.2 Ports	3
M.2 Devices support	2280 - M Key 2242 / 2260 / 2280 - M Key 2280 - M Key
RAM Slots	4
Maximum Supported RAM	192 GB
Onboard USB 2.0	2
Onboard USB 3.2 Gen 1	1
Onboard USB 3.2 Gen 2	1
Onboard USB 3.2 Gen 2x2	0

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C