









- Model: PRIME B550M-K
ASUS PRIME B550M-K
AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A
AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Comprehensive cooling: PCH heatsink and Fan Xpert 2+
Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
5X Protection III: Multiple hardware safeguards for all-around system protection
Specification | |
CPU | AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/
4000 G-Series/ 3000 Series Desktop Processors * |
Chipset | AMD B550 |
MEMORY | 4 x DIMM, Max. 128GB, DDR4
4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133
MHz Un-buffered Memory * |
Graphics | 1 x D-Sub |
Expansion Slots | AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors |
Storage | Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports |
LAN | Realtek RTL8111H 1Gb Ethernet |
Audio | Realtek ALC887/897 7.1 Surround Sound High Definition
Audio CODEC * |
USB Ports | Rear USB Port ( Total 6 ) |
Software Features | ASUS Exclusive Software |
ASUS Special Features | ASUS 5X PROTECTION III |
Back I/O Ports | ASUS 5X PROTECTION III |
Internal I/O Ports | 1 x CPU Fan connector(s) |
Accessories | User´s manual |
BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
Manageability | WOL by PME, PXE |
Operating System | Windows® 10 64-bit |
Form Factor | mATX Form Factor |
Warranty | 3 Years |
Note* | Price, feature and specifications
are subject to change without notice. |