ASUS Prime B840-PLUS WiFi Motherboard

ASUS Prime B840-PLUS WiFi AM5 B840 DDR5 PCIe 4.0 3X M.2 Wi-Fi 6E 2.5Gb LAN DisplayPort HDMI USB 10Gbps Type-A & Type-C ATX

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Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
AMD AM5 Socket: Ready for AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
Enhanced Power Solution: 6-layer PCB, alloy chokes and durable capacitors for stable power delivery
Ultrafast Connectivity: Wi-Fi 6E, PCIe 4.0 x16 slot, PCIe 4.0 M.2 slots, Realtek 2.5Gb Ethernet, rear USB 10Gbps Type-A & Type-C ports, and front USB 5Gbps Type-C support
Comprehensive Cooling: VRM and M.2 heatsinks, PCH heatsink, hybrid fan headers and Fan Xpert 2+

Specifications Overview

Model	PRIME B840-PLUS WIFI 90MB1IZ0-M0AAY0
Release Date	January 2025 * First availability for purchase, it may not correspond to the actual market launch date.
Socket	AM5
Form factor	ATX
Chipset	AMD B840
Supported Memory	DDR5 4400Mhz 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
Max LAN Speed	2.5Gbps
SLI Support	No
CrossFire Support	No
RAID Support	Yes
Back Connect	No
Back I/O Ports	1 x USB 10Gbps port (1 x USB Type-C) 1 x USB 10Gbps port (1 x Type-A) 2 x USB 5Gbps ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack button
Wireless LAN	Yes
Wi-Fi Generation	6E
PCI-Express x16 Slots	4
PCI-Express x4 Slots	0
PCI-Express x1 Slots	1
SATA 6 Gbps Ports	4
SATA Express Ports	0
M.2 Ports	3
M.2 Devices support	2280 - M Key 2280 - M Key 2242 / 2260 / 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