Package contents
Check your motherboard package for the following items.
Motherboard
Cables
Miscellaneous
Documentation
If any of the above items is damaged or missing, contact your retailer.
PRIME B550M-K ARGB specifications summary
CPU
Chipset
Memory
Graphics
Expansion Slots
Storage
Ethernet
vi
1 x PRIME B550M-K ARGB motherboard
2 x SATA 6Gb/s cables
1 x I/O Shield
1 x Screw package for M.2 SSD
1 x User guide
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.
AMD B550 Chipset
2 x DIMM slots, Max. 64GB, DDR4 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/.
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.
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/).
Note: To ensure compatibility of the device installed, please refer to
https://www.asus.com/support/ for the list of supported peripherals.
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.
1 x Realtek 1Gb Ethernet
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