MB ASUS PRIME B550M-A B550 AM4 4xDDR4-4866o.c. 1xPCIe4.0x16 HDMI DVI D-SUB 4xSATA3R M.2 GBLAN mATX 90MB14I0-M0EAY0

<P><STRONG>CPU</STRONG><BR>AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors</P> <P><STRONG>Chipset</STRONG><BR>AMD B550</P> <P><STRONG>Memory</STRONG><BR>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<BR>Dual Channel Memory Architecture<BR>ECC Memory (ECC mode) support varies by CPU</P> <P><STRONG>Graphic</STRONG><BR>1 x D-Sub<BR>1 x DVI-D<BR>1 x HDMI 2.1(4K 60HZ)</P> <P><STRONG>Expansion Slots</STRONG><BR>AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: <BR>- 1 x PCIe 4.0 x16 (x16 mode)<BR>AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors: <BR>- 1 x PCIe 3.0 x16 (x16 mode)<BR>AMD B550 Chipset: <BR>- 2 x PCIe 3.0 x1</P> <P><STRONG>Storage</STRONG><BR>Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports<BR>AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: <BR>- 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<BR>AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors: <BR>- 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<BR>AMD B550 Chipset: <BR>- 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support<BR>4 x SATA 6Gb/s port(s)<BR>Support Raid 0, 1, 10</P> <P><STRONG>LAN</STRONG><BR>Realtek RTL8111H 1Gb Ethernet</P> <P><STRONG>Audio</STRONG><BR>Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC: <BR>- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback<BR>Audio Feature: <BR>- LED-illuminated design<BR>- Audio Shielding<BR>- Dedicated audio PCB layers<BR>- Premium Japanese audio capacitors</P> <P><STRONG>USB Ports<BR></STRONG>Rear USB Port (Total 6): <BR>- 2 x USB 3.2 Gen 2 port(s) (2 x Type-A)<BR>- 4 x USB 3.2 Gen 1 port(s) (4 x Type-A)<BR>Front USB Port (Total 6): <BR>- 2 x USB 3.2 Gen 1 port(s) (2 x Type-A)<BR>- 4 x USB 2.0 port(s) (4 x Type-A)</P> <P><STRONG>Software Features</STRONG><BR>ASUS Exclusive Software<BR>Armoury Crate<BR>- Aura Creator<BR>- Aura Sync<BR>AI Suite 3<BR>- Performance And Power Saving Utility<BR>TurboV EVO<BR>EPU<BR>Digi+ VRM<BR>Fan Xpert 2+<BR>- EZ update<BR>ASUS CPU-Z<BR>AI Charger<BR>DAEMON Tools<BR>Norton Anti-virus software (Free Trial for 60 days)<BR>WinRAR<BR>UEFI BIOS<BR>ASUS EZ DIY<BR>- ASUS CrashFree BIOS 3<BR>- ASUS EZ Flash 3<BR>- ASUS UEFI BIOS EZ Mode</P> <P><STRONG>ASUS Special Features</STRONG><BR>ASUS 5X PROTECTION III: <BR>- ASUS DIGI+ VRM<BR>- ASUS LANGuard<BR>- ASUS Overvoltage Protection<BR>- ASUS SafeSlot Core<BR>- ASUS Stainless-Steel Back I/O<BR>ASUS Q-Design: <BR>- ASUS Q-DIMM<BR>- ASUS Q-Slot<BR>ASUS Thermal Solution: <BR>- Aluminum heatsink design<BR>AURA Sync: <BR>- Standard RGB headers<BR>- Addressable Gen 2 RGB header<BR>ASUS Lighting Control</P> <P><STRONG>Back I/O Ports</STRONG><BR>1 x PS/2 keyboard/mouse combo port(s)<BR>1 x DVI-D<BR>1 x D-Sub<BR>1 x HDMI<BR>1 x LAN (RJ45) port(s)<BR>2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)<BR>4 x USB 3.2 Gen 1 (blue) Type-A<BR>3 x Audio jack(s)</P> <P><STRONG>Internal I/O Ports</STRONG><BR>1 x CPU Fan connector(s)<BR>1 x CPU OPT Fan connector(s)<BR>2 x Chassis Fan connector(s)<BR>2 x Aura RGB Strip Headers<BR>1 x Addressable Gen 2 header(s)<BR>1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)<BR>2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)<BR>1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode &amp; X4 PCIE mode)<BR>1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode &amp; X4 PCIE mode)<BR>1 x SPI TPM header<BR>4 x SATA 6Gb/s connector(s)<BR>1 x S/PDIF out header(s)<BR>1 x 24-pin EATX Power connector(s)<BR>1 x 8-pin EATX 12V Power connectors<BR>1 x Front panel audio connector(s) (AAFP)<BR>1 x Clear CMOS jumper(s)<BR>1 x System panel connector<BR>1 x COM port header<BR>1 x Speaker connector</P> <P><STRONG>Accessories</STRONG><BR>I/O Shield<BR>2 x SATA 6Gb/s cable(s)<BR>1 x Supporting DVD<BR>User manual<BR>1 x M.2 SSD screw package(s)</P> <P><STRONG>BIOS</STRONG><BR>256 Mb Flash ROM, UEFI AMI BIOS</P> <P><STRONG>Manageability</STRONG><BR>WOL by PXE</P> <P><STRONG>Operating System</STRONG><BR>Windows® 10 64-bit</P> <P><STRONG>Form Factor</STRONG><BR>mATX Form Factor<BR>9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)</P>