B550M-A/CSM
$155.24
FORM FACTOR: mATX
SOCKET TYPE: AM4
Model | PRIME B550M-A/CSM |
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CPU Socket Type | AM4 |
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CPU Type | BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASUS website for CPU support list. |
Chipset | AMD B550 |
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Number of Memory Slots | 4x288pin (DDR4) |
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Memory Standard | 3rd Gen AMD Ryzen Processors DDR4 4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory * 3rd Gen AMD Ryzen with Radeon Graphics Processors DDR4 4800(O.C.)/ 4600(O.C)/ 4466(O.C.)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory * * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). |
Maximum Memory Supported | 128GB |
Channel Supported | Dual Channel |
PCI Express 4.0 x16 | 3rd Gen AMD Ryzen Processors 1 x PCIe 4.0 x16 (x16 mode) 3rd Gen AMD Ryzen with Radeon Graphics Processors 1 x PCIe 3.0 x16 (x16 mode) |
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PCI Express x1 | AMD B550 Chipset 2 x PCIe 3.0 x1 slots * Support PCIe bifurcation for RAID on CPU function. |
SATA 6Gb/s | 4 x SATA 6Gb/s |
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M.2 | 3rd Gen AMD Ryzen 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 3rd Gen AMD Ryzen with Radeon Graphics 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 |
SATA RAID | 0/1/10 |
Onboard Video Chipset | Supported only by CPU with integrated graphic: 1 x D-Sub 1 x DVI-D 1 x HDMI 2.1 (4K@60HZ) |
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Audio Chipset | Realtek ALC887 |
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Audio Channels | 7.1 Channels * A chassis with an HD audio module in the front panel is required to support 7.1-channel audio output. |
LAN Chipset | Realtek RTL8111H |
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Max LAN Speed | 10/100/1000Mbps |
Back I/O Ports | 2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 1 x Realtek RTL8111H 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port |
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Onboard USB | 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports |
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Other Connectors | 1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 2 x Chassis Fan connector(s) 2 x Aura RGB Strip Headers 1 x Addressable Gen 2 header(s) 1 x SPI TPM header 1 x S/PDIF out header(s) 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 |
Form Factor | Micro ATX |
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LED Lighting | RGB |
Dimensions (W x L) | 9.6" x 9.6" |
Power Pin | 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector |