Asus Prime B850M-A-CSM AMD AM5 Micro-ATX DDR5 PCIe 5.0 Motherboard

SPECIFICATION

• Model: PRIME B850M-A-CSM
• News & Updates: Socket AM5

  CPU: AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* Supports up to AMD 170W CPU

  Chipset: AMD B850 Chipset

  Memory:

  -4 x DIMM slots, max. 256GB, DDR5 Supports up to 8000+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)

  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 5.0 x16 slot (supports x16 mode)
  -AMD Ryzen™ 8000 Series Desktop Processors
  -1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
  -AMD B850 Chipset
  -1 x PCIe 4.0 x16 slot (supports x1 mode)

  Storage

  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 5.0 x4 mode) M.2_2 slot (Key M), type 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 2280 (supports PCIe 4.0 x4/x2 mode)*
  -AMD B850 Chipset: M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode), 4 x SATA 6Gb/s ports * Specifications vary by CPU types.
  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

  USB: Rear USB (Total 8 ports), 2 x USB 10Gbps ports (2 x Type-A ), 2 x USB 5Gbps ports (2 x Type-A), 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
  – Premium audio capacitors
  – 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)
  2 x USB 5Gbps ports (2 x Type-A)
  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

  Internal I/O Connectors

  Fan and Cooling Related: 1 x 4-pin CPU Fan header,  1 x 4-pin CPU OPT Fan header, 1 x 4-pin AIO Pump header, 3 x 4-pin Chassis Fan headers
  Power Related: 1 x 24-pin Main Power connector, 1 x 8-pin +12V CPU Power connector, 1 x 4-pin +12V CPU Power connectors
  Storage Related: 3 x M.2 slots (Key M), 4 x SATA 6Gb/s ports
  USB: 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
  Miscellaneous: 3 x Addressable RGB Gen 2 headers, 1 x Clear CMOS header, 1 x Chassis Intrusion header, 1 x COM Port header, 1 x Front Panel Audio header (F_AUDIO),1 x S/PDIF Out header, 1 x SPI TPM header (14-1 pin), 1 x 10-1 pin System Panel header

  Special Features

  ASUS 5X PROTECTION III
  – DIGI+ VRM
  – LANGuard
  – Overvoltage protection
  – SafeSlot
  – Stainless-steel back I/O
  ASUS Q-Design
  – Q-Dashboard
  – Q-DIMM
  – Q-LED Core
  – Q-Slot
  ASUS Thermal Solution
  – M.2 heatsink
  – VRM heatsink design
  ASUS EZ DIY
  – BIOS FlashBack™ button
  – BIOS FlashBack™ LED
  – Pre-mounted I/O shield
  – SafeSlot
  Aura Sync
  – Addressable RGB Gen 2 headers

  Software Features

  ASUS Exclusive Software
  Armoury Crate
  – Aura Creator
  – Aura Sync
  – Fan Xpert 2+
  ASUS AI Advisor
  ASUS Driver Hub
  TurboV Core
  ASUS CPU-Z
  Norton 360 Deluxe (60 Days Free Trial)
  WinRAR (40 Days Free Trial)
  UEFI BIOS
  ASUS EZ DIY
  – ASUS CrashFree BIOS 3
  – ASUS EZ Flash 3
  – ASUS UEFI BIOS EZ Mode
  – ASUS MyHotkey

  BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

  Manageability: WOL by PME, PXE

  Accessories

  Cables
  2 x SATA 6Gb/s cables
  Miscellaneous
  1 x M.2 rubber package
  2 x Screw packages for M.2 SSD
  Documentation
  1 x Quick start guide
  1 x ACC Express activation key card

  Operating System: Windows® 11, Windows® 10 64-bit

  Form Factor: mATX Form Factor

  9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)