Features
• AM5 socket
• Micro ATX form factor
• AMD B840 chipset
Specifications
• CPU:
• AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors*
• Chipset: AMD B840 Chipset
• Memory:
• 4 x DIMM slots, max. 256GB, DDR5
• Supports up to 7600+MT/s (OC) with Ryzen 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered DIMM*
• Dual channel memory architecture
• Supports AMD Extended Profiles for Overclocking (EXPO)
• ASUS Enhanced Memory Profile (AEMP)
• * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration
• * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
• Graphics:
• 2 x DisplayPort**
• 1 x HDMI port***
• * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
• ** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
• *** Supports 4K@60Hz as specified in HDMI 2.1.
• Expansion Slots:
• AMD Ryzen 9000 & 7000 Series Desktop Processors*
• 1 x PCIe 4.0 x16 slot (supports x16 mode)
• AMD Ryzen 8000 Series Desktop Processors
• 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
• AMD B840 Chipset
• 2 x PCIe 3.0 x16 slots (support x1 mode)
• ** Specifications vary by CPU types.
• Storage:
• Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports
• AMD Ryzen 9000 & 7000 Series Desktop Processors
• M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
• M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
• AMD Ryzen 8000 Series Desktop Processors
• M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
• M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)*
• AMD B840 Chipset
• M.2_3 slot (Key M), type 2280 (supports PCIe 3.0 x4 mode)
• 4 x SATA 6Gb/s ports
• * Specifications vary by CPU types.
• RAID:
• AMD RAIDXpert2 Technology
• Ryzen 9000 Series Processors: RAID 0/1/5/10
• Ryzen 8000 Series Processors: RAID 0/1
• Ryzen 7000 Series Processors: RAID 0/1/10
• Ethernet:
• 1 x Realtek 2.5Gb Ethernet
• ASUS LANGuard
• Rear USB (Total 7 ports):
• 2 x USB 10Gbps ports (2 x Type-A)
• 1 x USB 5Gbps port (1 x USB Type-C)
• 4 x USB 2.0 ports (4 x Type-A)
• Front USB (Total 7 ports)
• 1 x USB 5Gbps connector (supports USB Type-C)
• 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
• 2 x USB 2.0 headers support 4 additional USB 2.0 ports
• * USB Type-C power delivery output: max. 5V/3A
• Audio:
• Realtek 7.1 Surround Sound High Definition Audio CODEC*
• Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
• Supports up to 24-Bit/192 kHz playback
• Audio Features:
• Audio Shielding
• Dedicated audio PCB layers
• *A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
• Back Panel I/O Ports:
• 2 x USB 10Gbps ports (2 x Type-A)
• 1 x USB 5Gbps port (1 x USB Type-C)
• 4 x USB 2.0 ports (4 x Type-A)
• 2 x DisplayPort
• 1 x HDMI port
• 1 x Realtek 2.5Gb Ethernet port
• 3 x Audio jacks
• 1 x BIOS FlashBack button
• Operating System: Windows 11, Windows 1
What's in the Box
• Asus PRIME B840M-A-CSM AM5 Micro ATX Motherboard x1