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ASUS Prime B840M-A-CSM 4 x DIMM Slots, max. 192GB, DDR5, AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors(excl. of all taxes)
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Asus
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Specifications
| Brand | ASUS |
| Model | PRIME B840M-A-CSM |
| News & Updates | Socket AM5, Please visit our GLOBAL website to check and download the latest updates. |
| CPU | AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* Supports up to AMD 170W CPU * Refer to https://www.asus.com/support/download-center/ for CPU support list. |
| 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, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market. * 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) * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types. - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals. |
| 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. 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 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 - 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) 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 |
| Internal I/O Connectors | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 2 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector 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 Gen 2 headers 1 x Clear CMOS 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 Front Panel System header |
| Special Features | ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage protection - SafeSlot Core+ - 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 Aura Sync - Addressable Gen 2 headers |
| Software Features | ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 2+ - Power Saving ASUS DriverHub 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 |
| Remote Management Features | IT Management software supported - ASUS Control Center Express (ACCE) |
| 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 ACC Express Activation Key Card 1 x Quick start guide |
| Operating System | Windows 11, Windows 10 64-bit |
| Form Factor | micro-ATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm) |
| Warranty | 3 Years (By The service centre |
Product Details
About this item
Engineered for Ryzen: AM5 socket optimized for AMD Ryzen 9000, 8000, and 7000 series CPUs ensures robust and efficient processing power.
High-Speed Memory: Supports DDR5 RAM with dual-channel architecture for enhanced multitasking and performance.
Next-Gen Expansion: PCIe 4.0 slots offer blazing-fast speeds for graphics cards and storage drives.
Enhanced Connectivity: USB 10Gbps and 5Gbps ports deliver versatile, high-speed data transmission.
Reliable Networking: 2.5Gb Ethernet ensures lag-free and stable internet connections for work or play.
Ratings & Reviews
4.5
120 Ratings & 2 Reviews
5
84
4
18
3
10
2
5
1
4
5
ExcellentNice product, great value for money
Vivek KumarCertified Buyer, May 2024
4
Great ProductReally happy with the quality. Delivery was fast too.
Amit SinghCertified Buyer, April 2024
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