| Category |
Details |
| Model |
PRIME B550M-K |
| CPU |
AMD AM4 Socket 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 |
| 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 * Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. |
| Graphics |
1 x D-Sub, 1 x DVI-D, 1 x HDMI 2.1 (4K@60Hz) * Graphics specifications may vary between CPU types. |
| Expansion Slots |
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x PCIe 4.0 x16 (x16 mode) AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors: 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset: 2 x PCIe 3.0 x1 |
| Storage |
Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports: AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 4.0 x4 and SATA modes) storage devices support AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors: 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices support AMD B550 Chipset: 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support 4 x SATA 6Gb/s port(s), Support Raid 0, 1, 10 |
| LAN |
Realtek RTL8111H 1Gb Ethernet, ASUS LANGuard |
| Audio |
Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC * Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-bit/192kHz playback Audio Feature: LED-illuminated design, Audio Shielding, Dedicated audio PCB layers, Premium Japanese audio capacitors * Choose the chassis with HD audio module in front panel to support 8-channel audio output. |
| USB Ports |
Rear USB Port (Total 6): 2 x USB 3.2 Gen 2 port(s) (2 x Type-A), 4 x USB 3.2 Gen 1 port(s) (4 x Type-A) Front USB Port (Total 6): 2 x USB 3.2 Gen 1 port(s) (2 x Type-A), 4 x USB 2.0 port(s) (4 x Type-A) |
| Software Features |
ASUS Exclusive Software: Armoury Crate, AI Suite 3, Performance And Power Saving Utility, TurboV EVO, EPU, Digi+ VRM, Fan Xpert 2+, EZ update, ASUS CPU-Z, AI Charger, DAEMON Tools, Norton Anti-virus software (Free Trial for 60 days), 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: ASUS DIGI+ VRM, ASUS LANGuard, ASUS Overvoltage Protection, ASUS SafeSlot Core, ASUS Stainless-Steel Back I/O ASUS Q-Design: ASUS Q-DIMM, ASUS Q-Slot ASUS Thermal Solution: Aluminum heatsink design ASUS Lighting Control |
| Back I/O Ports |
1 x PS/2 keyboard/mouse combo port(s), 1 x DVI-D, 1 x D-Sub, 1 x HDMI, 1 x LAN (RJ45) port(s), 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A), 4 x USB 3.2 Gen 1 (blue) Type-A, 3 x Audio jack(s) |
| Internal I/O Ports |
1 x CPU Fan connector(s), 2 x Chassis Fan connector(s), 1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s), 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s), 1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode), 1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode), 1 x SPI TPM header, 4 x SATA 6Gb/s connector(s), 1 x S/PDIF out header(s), 1 x 24-pin EATX Power connector(s), 1 x 8-pin EATX 12V Power connectors, 1 x Front panel audio connector(s) (AAFP), 1 x Clear CMOS jumper(s), 1 x System panel connector, 1 x COM port header, 1 x Speaker connector |
| Accessories |
User’s manual, I/O Shield, 2 x SATA 6Gb/s cable(s), 1 x Supporting DVD, 1 x M.2 SSD screw package(s) |
| BIOS |
256 Mb Flash ROM, UEFI AMI BIOS |
| Manageability |
WOL by PME, PXE |
| Operating System |
Windows® 10 64-bit |
| Form Factor |
mATX Form Factor, 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm) |
