





Ask a Question About This Product
PRIME B550M-K ARGB
- AMD B550 (Ryzen™ AM4) mATX motherboard with dual M.2 slots,
PCIe 4.0, Realtek 1Gb Ethernet, DisplayPort/HDMI™, SATA 6 Gbps, rear USB 3.2
Gen 1 ports, front USB 3.2 Gen 1 Type-C® and Aura Sync
- Ready for Advanced AI PC: Designed for the future of AI
computing, with the power and connectivity needed for demanding AI applications
- AMD AM4 Socket: Ready for AMD Ryzen™ 5000 Series/ 5000
G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek
1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C®
- Comprehensive Cooling: PCH heatsink, hybrid fan headers and
Fan Xpert 2+
- Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers
for RGB LED strips, easily synced with Aura Sync-capable hardware
Specification | |
CPU | AMD
Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000
Series Desktop Processors* * Refer
to www.asus.com for CPU support list. |
Chipset | AMD
B550 Chipset |
MEMORY | 2 x
DIMM slots, Max. 64GB, DDR4
5100(OC)/ 4866(OC)/ 4600(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3200/ 3000/ 2933/ 2800/ 2666/ 2400/ 2133,
Un-buffered Memory* Dual
Channel Memory Architecture * ECC
memory (ECC mode) support varies by CPU. *
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/. |
Graphics | 1 x
DisplayPort** 1 x
HDMI™ port*** *
Graphics specifications may vary between CPU types. Please refer to AMD CPU
specifications. **
Supports max. 4K@60Hz as specified in DisplayPort 1.4. ***
Supports 4K@60Hz as specified in HDMI 2.1. |
Expansion
Slots | AMD
Ryzen™ 5000 Series/ 3000 Series Desktop Processors 1 x
PCIe 4.0 x16 slot (supports x16 mode) AMD
Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors 1 x
PCIe 3.0 x16 slot (supports x16 mode) AMD
B550 Chipset 1 x
PCIe 3.0 x1 slot *
Please check the PCIe bifurcation table on the support site
(https://www.asus.com/support/FAQ/1037507/). - To
ensure compatibility of the device installed, please refer to
https://www.asus.com/support/ for the list of supported peripherals. |
Storage | Total
supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD
Ryzen™ 5000 Series/ 3000 Series Desktop Processors M.2_1
slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) AMD
Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors M.2_1
slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD
B550 Chipset M.2_2
slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA
modes) 4 x
SATA 6Gb/s ports * AMD
RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. |
LAN | 1 x
Realtek 1Gb Ethernet |
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. |
USB
Ports | Rear
USB (Total 6 ports) 4 x USB
3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB
2.0 ports (2 x Type-A) Front
USB (Total 7 ports) 1 x USB
3.2 Gen 1 (5G) connector (supports USB Type-C®) 1 x USB
3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports 2 x USB
2.0 headers support 4 additional USB 2.0 ports |
Software Features | ASUS
Exclusive Software Armoury
Crate - Aura
Creator - Aura
Sync AI
Suite 3 -
Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert 2+ - EZ
update ASUS
CPU-Z Norton
360 Deluxe (60 Days Free Trial) WinRAR UEFI
BIOS ASUS EZ
DIY - ASUS
CrashFree BIOS 3 - ASUS
EZ Flash 3 - ASUS
UEFI BIOS EZ Mode |
ASUS
Special Features | ASUS 5X
PROTECTION III - DIGI+
VRM -
LANGuard -
Overvoltage Protection -
SafeSlot Core -
Stainless-Steel Back I/O ASUS
Q-Design -
Q-DIMM - Q-LED
Core -
Q-Slot ASUS
Thermal Solution -
Aluminum heatsink design Aura
Sync -
Addressable Gen 2 headers |
Back
I/O Ports | 4 x USB
3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB
2.0 ports (2 x Type-A) 1 x
DisplayPort 1 x
HDMI™ port 1 x
Realtek 1Gb Ethernet port 3 x
Audio jacks 1 x
PS/2 Keyboard/Mouse combo port |
Internal
I/O Ports | Fan and
Cooling related 1 x
4-pin CPU Fan header 2 x
4-pin Chassis Fan headers Power
related 1 x
24-pin Main Power connector 1 x
8-pin +12V Power connector Storage
related 2 x M.2
slots (Key M) 4 x
SATA 6Gb/s ports USB 1 x USB
3.2 Gen 1 (5G) connector (supports USB Type-C® ) 1 x USB
3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 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 (AAFP) 1 x
S/PDIF Out header 1 x
Speaker header 1 x SPI
TPM header (14-1 pin) 1 x
10-1 pin System Panel header |
Accessories | Cables 2 x
SATA 6Gb/s cables Miscellaneous 1 x I/O
Shield 1 x
Screw package for M.2 SSD Documentation 1 x
User guide |
BIOS | 128 Mb
Flash ROM, UEFI AMI BIOS |
Manageability | WOL by
PME, PXE |
Operating
System | Windows®
11, Windows® 10 64-bit |
Form
Factor | micro-ATX
Form Factor 9.6
inch x 8.7 inch ( 24.4 cm x 22.1 cm ) |
Warranty | 3 Years |
Note* | Price, feature and specifications
are subject to change without notice. |







