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90MB15Q0-M0EAYC
PRO B550M-C/CSM - AMD - Socket AM4 - AMD Athlon - AMD Ryzen...
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90MB15Q0-M0EAYC is a high-performance motherboard built around the AMD B550 chipset with an AM4 CPU socket, specifically engineered to support the AMD Ryzen 9 generation and Ryzen 5000 Series processors. It offers DDR4 memory compatibility with a maximum capacity of 128 GB distributed over four DIMM slots operating in dual-channel mode, and it features an 8+1 power phase VRM design complete with dedicated heatsinks for optimal thermal performance.
This motherboard provides versatile expansion options including a primary PCIe x16 slot operating on the PCIe 4.0 standard, along with two M.2 slots and six SATA ports for comprehensive storage support. Networking is handled by a Realtek RTL8111H LAN supporting 1GbE alongside integrated WiFi 6, while the rear I/O delivers a robust mix of 2x USB 3.2 Gen 2 Type-A ports, 1x USB Type-C, HDMI, DisplayPort, Ethernet, and audio jacks—making it an ideal platform for gaming systems.
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| Product Type | Motherboard | Motherboard | Motherboard | Motherboard | Motherboard |
| Chipset | AMD B550 | AMD B550 | AMD X670 | Intel Z790 | AMD B550 |
| CPU Socket | AM4 | AM4 | AM5 | LGA 1700 | AM4 |
| CPU Generation | AMD Ryzen 9 | AMD Ryzen 9 | AMD Ryzen 9 | Intel Core i9 | AMD Ryzen 9 |
| Supported CPUs | Ryzen 5000 Series | Ryzen 5000 Series | Ryzen 7000 Series | 13th Gen Intel | Ryzen 5000 Series |
| Memory Type | DDR4 | DDR4 | DDR5 | DDR5 | DDR4 |
| Max Memory Capacity | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Slots | 4 DIMM | 4 DIMM | 4 DIMM | 4 DIMM | 4 DIMM |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming |
| Expansion Slots | PCIe x16 | PCIe x16 | PCIe x16 | PCIe x16 | PCIe x16 |
| PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 |
| M.2 Slots | 2 | 2 | 3 | 2 | 2 |
| SATA Ports | 6 | 6 | 6 | 6 | 6 |
| RAID Support | RAID 0 / RAID 1 / RAID 10 | RAID 0 / RAID 1 / RAID 10 | RAID 0 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 |
| Onboard Graphics Support | Yes | Yes | Yes | Yes | Yes |
| Multi-GPU Support | AMD CrossFire | Not Supported | AMD CrossFire | NVIDIA SLI | AMD CrossFire |
| USB Ports (Rear) | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
| Internal USB Headers | Yes | Yes | Yes | Yes | Yes |
| LAN Chipset | Realtek RTL8111H | Realtek RTL8125 | Realtek RTL8125 | Intel I219-V | Realtek RTL8125 |
| LAN Speed | 1GbE | 2.5GbE | 2.5GbE | 1GbE | 2.5GbE |
| Wi-Fi Support | WiFi 6 | WiFi 6 | WiFi 6E | WiFi 6 | WiFi 6 |
| Multi-Processor Support | Single-Socket | Single-Socket | Single-Socket | Single-Socket | Single-Socket |
| ECC Support | No | No | No | No | No |
| Redundant Power Support | No | No | N/A | No | No |
| Remote Management | N/A | No | No | No | No |
| Bluetooth | 5.1 | 5.2 | 5.2 | 5.2 | 5.0 |
| Audio Chipset | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 |
| Power Phases | 8+1 | 12+1 | 14+2 | 14+2 | 10+2 |
| VRM Heatsinks | Yes | Yes | Yes | Yes | Yes |
| BIOS Type | UEFI | UEFI | UEFI | UEFI | UEFI |
| Dual BIOS | No | Yes | Yes | No | No |
| RGB Support | Yes | Yes | Yes | Yes | Yes |
| Thunderbolt Support | No | No | No | Yes | No |
| Rear I/O Ports | 2x USB 3.2 Gen 2 Type-A, 1x USB Type-C, 1x HDMI, 1x DisplayPort, 1x Ethernet RJ45, Audio jacks | HDMI, DisplayPort, USB 3.2 Gen 2, Audio jacks, Ethernet | 1 x HDMI, 1 x DisplayPort, 2 x USB Type-C, 4 x USB 3.2 Gen 2, 1 x RJ-45, Audio jacks | 1x HDMI, 1x DisplayPort, 2x USB 3.2 Gen 2, 4x USB 2.0, 1x RJ45 LAN, 1x Audio jacks | HDMI, DisplayPort, 2x USB 3.2 Gen 2 Type-A, 1x USB 3.2 Gen 2 Type-C, RJ-45, Audio jacks |
| Accessories Included | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | IO shield, SATA cables, M.2 screws, Wi-Fi antennas, manual | IO shield, SATA cables, M.2 screws, Wi-Fi antenna, user manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual |
| Product Name | 90MB15Q0-M0EAYC | 90MB14W0-M0EAYC Official Gaming Motherboard | 90MB17E0-M0EAY0 High-Performance Gaming Motherboard | 90MB1610-M0EAY0 High-Performance Gaming Motherboard | 90SB06Q0-M0UAY0 Gaming Motherboard |
| Height | 9.6 inches | 9.6 inches | 1.8 inches | 9.6 | 9.6 inches |
| Width | 12 inches | 12 inches | 12.0 inches | 12 | 12 inches |
| Depth | 10 inches | 2 inches | 9.6 inches | 1.6 | 1.5 inches |
| Weight | 3.2 lbs | 4 lbs | 3.5 lbs | 3.2 lbs | 3.2 lbs |
PRO B550M-C/CSM offers dependable Ryzen support and stable DDR4 performance.
Smooth enterprise deployment with consistent uptime.
Strong build quality and reliable system stability.
Handles business workloads efficiently.
Professional AMD motherboard for scalable office builds.
The PRO B550M-C/CSM features an AMD Socket AM4, compatible with AMD Athlon and all 3rd-gen Ryzen CPUs, including Ryzen 3, 5, 7, and 9.
This board uses the AMD B550 chipset and supports 3rd-gen Ryzen processors, plus legacy AM4 CPUs like Athlon and earlier Ryzen models.
The PRO B550M-C/CSM supports up to 128 GB of DDR4-SDRAM across four DIMM slots.
It supports DDR4 memory speeds up to 4866 MHz (OC), with official support for 2133/2400/2666/3000/3200 MHz modules.