ASUS PRIME B840M-A-CSM AM5 DDR5 ATX motherboard

ASUS PRIME B840M-A-CSM AM5 DDR5 ATX Motherboard

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B840M-A-CSM motherboard provides users and PC builders with a range of performance optimizations via intuitive software and firmware features. It is engineered to be Advanced AI PC-ready, delivering the power and connectivity required for demanding AI applications.

Digital Power Design
The PRIME B840M-A-CSM features an 8+2+1 power stage design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors and reliable performance for daily computing.

Enhanced DDR5 Performance
Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B840M-A-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.2
For entry-level modules without EXPO support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.
For those looking to go beyond standard DDR5 speeds, the PRIME B840M-A-CSM offers extensive AMD Extended Profiles for Overclocking (EXPO) support and a wide array of UEFI settings for further performance tuning.

Triple M.2 Slots (Up to 64 Gbps)
The PRIME B840M-A-CSM offers a total of three M.2 slots, including two that support data transfer speeds of up to 64 Gbps via PCIe 4.0, and one supporting PCIe 3.0. This enables quicker boot-up and app load times for OS or application drives.

Cooling
The PRIME B840M-A-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.

Realtek 2.5 Gb Ethernet
Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers.
Front-Panel USB 5Gbps Type-C
This motherboard features a front-panel USB 5Gbps Type-C ® connector for fast data transfer speeds of up to 5 Gbps.

Manufacturer Details:
ASUSTeK Computer Inc. No. 15, Li-De Road, Beitou District, Taipei 112 Taiwan email@asus.com Responsible Safety Officer: ASUS Europe Paasheuvelweg 25, 1105 Amsterdam Netherlands acwb_st_consumer@asus.com

Manufacturer Code	90MB1J10-M0EAYC
EAN Code:	4711387797204
Manufacturer:	ASUS
Sale	No
Socket:	AM5
Chipset:	AMD B840
Form Factor:	Micro ATX
Memory:	4x DDR5 max. 256GB, up to 7600+MT/s (OC)
Expansion Slots:	AMD Ryzen 9000 & 7000: 1x PCIe 4.0 x16 (supports x16 mode) AMD Ryzen 8000: 1x PCIe 4.0 x16 (supports x8 mode) 2x PCIe 3.0 x16 (supports x1 mode)
Storage:	M.2 2280 (supports PCIe 4.0 x4 mode) M.2 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode) M.2_3 2280 (supports PCIe 3.0 x4 mode) 4 x SATA 6Gb/s AMD RAIDXpert2 Ryzen 9000 RAID 0/1/5/10 Ryzen 8000 RAID 0/1 Ryzen 7000 RAID 0/1/10
Audio:	Realtek 7.1 Surround
LAN:	1 x Realtek 2.5Gb Ethernet
Rear Panel Connectors:	2x USB 3.2 10Gbps Type-A 1x USB 3.2 5Gbps Type-C 4x USB 2.0 Type-A 2x DisplayPort 1x HDMI 1x Realtek 2.5Gb Ethernet 3x Audio jacks 1x BIOS FlashBack button
Internal Connectors:	1x 4-pin CPU Fan 1x 4-pin CPU OPT Fan 2x 4-pin Chassis Fan 1 x 24-pin Main Power 1 x 8-pin +12V CPU Power 1 x USB 3.2 5Gbps USB Type-C 1 x USB 3.2 5Gbps for 2 additional USB 5Gbps ports 2 x USB 2.0 for 4 additional USB 2.0 ports 3 x Addressable Gen 2 RGB headers 1 x Clear CMOS 1 x COM Port 1 x Front Panel Audio (F_AUDIO) 1 x S/PDIF Out 1 x SPI TPM (14-1 pin) 1 x 10-1 pin Front Panel
Package Contents:	2x SATA 6Gb/s, 2x M.2 screws
Warranty	36 months