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90MB15J0-M0EAY0
ROG STRIX B550-A GAMING - AMD - AMD Ryzen 3 - DDR4-SDRAM - 1...
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90MB15J0-M0EAY0 is built around an AMD B550 chipset with an AM4 CPU socket and supports AMD Ryzen 9 processors from the Ryzen 5000 Series. It is designed to accommodate DDR4 memory up to 128 GB via 4 DIMM slots operating in dual-channel mode, and it features an 8+1 power phase VRM design with robust heatsinks for efficient thermal management under demanding conditions.
This motherboard offers extensive connectivity with a primary PCIe x16 expansion slot supporting PCIe 4.0, dual M.2 slots alongside 6 SATA ports for storage configurations, and integrated networking featuring a Realtek RTL8111H LAN at 1GbE coupled with WiFi 6 capability. The rear I/O ports include HDMI, DisplayPort, multiple USB ports, a LAN port, and audio jacks, making this board ideally suited for high-performance gaming.
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| 90MB15J0-M0EAY0 |  90MB0W70-M0EAYM |  90MB16J0-M0EAY0 |  90SB06H0-M0UAY0 |  90MB1610-M0EAY0 | |
|---|---|---|---|---|---|
| Product Type | Motherboard | Motherboard | Motherboard | Motherboard | Motherboard |
| Chipset | AMD B550 | AMD B550 | Intel Z790 | AMD B550 | Intel Z790 |
| CPU Socket | AM4 | AM4 | LGA 1700 | AM4 | LGA 1700 |
| CPU Generation | AMD Ryzen 9 | AMD Ryzen 5000 Series | Intel Core i9 | AMD Ryzen 5000 Series | Intel Core i9 |
| Supported CPUs | Ryzen 5000 Series | Ryzen 5000 Series | 14th Gen Intel | Ryzen 5000 Series | 13th Gen Intel |
| Memory Type | DDR4 | DDR4 | DDR5 | DDR4 | DDR5 |
| 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 / Workstation | 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 4.0 | PCIe 5.0 |
| M.2 Slots | 2 | 2 | 3 | 2 | 2 |
| SATA Ports | 6 | 6 | 6 | 6 | 6 |
| RAID Support | RAID 0 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 | RAID 0/1/10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 |
| Onboard Graphics Support | Yes | Yes | Yes | Yes | Yes |
| Multi-GPU Support | AMD CrossFire | AMD CrossFire | NVIDIA SLI | AMD CrossFire | NVIDIA SLI |
| USB Ports (Rear) | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 1 | USB 3.2 Gen 2 |
| Internal USB Headers | Yes | Yes | Yes | Yes | Yes |
| LAN Chipset | Realtek RTL8111H | Realtek RTL8125 | Intel I219-V | Realtek RTL8125 | Intel I219-V |
| LAN Speed | 1GbE | 2.5GbE | 2.5GbE | 2.5GbE | 1GbE |
| Wi-Fi Support | WiFi 6 | WiFi 6 | WiFi 6 | WiFi 6 | WiFi 6 |
| Multi-Processor Support | Single-Socket | Single-Socket | Single-Socket | Single-Socket | Single-Socket |
| ECC Support | No | Yes | No | No | No |
| Redundant Power Support | No | No | No | No | No |
| Remote Management | No | No | N/A | N/A | No |
| Bluetooth | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 |
| Audio Chipset | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 |
| Power Phases | 8+1 | 12+1 | 14+2 | 12+1 | 14+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 | Yes | No | Yes |
| Rear I/O Ports | 1 x HDMI, 1 x DisplayPort, 4 x USB 3.2 Gen 2, 2 x USB 2.0, 1 x LAN port, Audio jacks | HDMI, DisplayPort, USB 3.2 Gen 2 Type-A, USB Type-C, Ethernet RJ45, Audio Jacks | HDMI, DisplayPort, USB Type-C, USB 3.2 ports, Ethernet port, audio jacks | 1x HDMI, 1x DisplayPort, 6x USB 3.2 Gen 1, 2x USB 2.0, 1x LAN, Audio jacks | 1x HDMI, 1x DisplayPort, 2x USB 3.2 Gen 2, 4x USB 2.0, 1x RJ45 LAN, 1x Audio jacks |
| Accessories Included | IO shield, SATA cables, M.2 screw kit, user manual | 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, manual | IO shield, SATA cables, M.2 screws, Wi-Fi antenna, user manual |
| Product Name | 90MB15J0-M0EAY0 Official Gaming Motherboard | 90MB0W70-M0EAYM | 90MB16J0-M0EAY0 High Performance Motherboard | 90SB06H0-M0UAY0 Motherboard | 90MB1610-M0EAY0 High-Performance Gaming Motherboard |
| Height | 9.6 inches | 1.5 inches | 10 inches | 9.6 inches | 9.6 |
| Width | 12 inches | 9.6 inches | 12 inches | 12 inches | 12 |
| Depth | 1.5 inches | 11.2 inches | 4 inches | 1.5 inches | 1.6 |
| Weight | 4 lbs | 2.2 lbs | 3 lbs | 4.5 lbs | 3.2 lbs |
ROG STRIX B550-A GAMING delivered excellent Ryzen performance with stable high-frequency DDR4 support.
Strong build quality and reliable performance under heavy workloads.
Smooth installation and impressive memory stability up to high speeds.
Handles demanding applications with consistent reliability.
Professional-grade AM4 motherboard with excellent system stability.
The ROG STRIX B550-A GAMING uses a standard ATX form factor (30.5 cm × 24.4 cm), ensuring compatibility with most mid-tower and full-tower cases.
It supports AMD Ryzen™ 5000, 4000 G-Series, 3000, 2000, and Ryzen™ 3 processors with AM4 socket compatibility after the latest BIOS update.
Yes, the ROG STRIX B550-A GAMING is fully compatible with AMD Ryzen™ 3 series processors when using a supported BIOS version.
The motherboard supports up to 128 GB of dual-channel DDR4 memory across four DIMM slots, with overclocked speeds from 2133 MHz up to 4600 MHz.
It features two PCIe x16 slots (one PCIe 4.0 x16, one PCIe 3.0 x4) and three PCIe 3.0 x1 slots for GPUs, expansion cards, and add-on devices.
You get two M.2 slots (one PCIe 4.0 x4, one PCIe 3.0 x4) and six SATA 6 Gb/s ports for NVMe SSDs and HDDs.
No, the ROG STRIX B550-A GAMING does not include onboard Wi-Fi or Bluetooth; you can add wireless connectivity via a PCIe expansion card.
It uses a Realtek® L8200A 2.5 Gb Ethernet controller for high-speed wired networking.
SupremeFX S1220A codec delivers 7.1-channel high-definition audio with shielding, Nichicon capacitors, and operational amplifiers for immersive sound.
On the rear I/O you have two USB 3.2 Gen 2 Type-A, one USB 3.2 Gen 2 Type-C, four USB 3.2 Gen 1 Type-A, and two USB 2.0 ports, plus front-panel headers.
Yes, it features BIOS Flashback™ for one-button firmware updates without requiring a CPU, memory, or graphics card installed.
You get three chassis fan headers, one AIO pump header, one CPU fan header, and multiple thermal sensor headers for comprehensive cooling control.
The ROG STRIX B550-A GAMING supports AMD 2-way CrossFire™ configurations but does not support NVIDIA SLI®.
Yes, it includes two Aura RGB headers and one Addressable RGB header, fully compatible with ASUS Aura Sync lighting control.
Official support is provided for Windows® 10 and Windows® 11 64-bit; most major Linux distributions are also compatible.
It comes with a standard three-year warranty backed by ASUS global service and support.
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