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BKCMB1ABB |
Description: | Intel Next Unit of Computing Rugged Board CMB1ABB - motherboard - Element Carrier Board |
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BKCMB1ABB Overview
BKCMB1ABB is a high-performance AMD B550 chipset-based motherboard designed for gaming enthusiasts. It features an AM4 CPU socket supporting AMD Ryzen 9 processors from the Ryzen 5000 Series, paired with DDR4 memory support up to 128 GB across 4 DIMM slots operating in dual-channel mode. The board incorporates an 8+1 power phase VRM design with robust thermal solutions to ensure stable performance during extended gaming sessions.
This motherboard offers extensive expansion with a primary PCIe x16 slot operating at PCIe 4.0, dual M.2 slots, and 6 SATA ports for diverse storage options. Networking is handled via a Realtek RTL8111H LAN controller delivering 2.5GbE connectivity along with WiFi 6 and Bluetooth 5.1 support. The rear I/O includes a mix of USB 3.2 Gen 2 and USB 2.0 ports, a display output combo (HDMI and DisplayPort), and dedicated audio jacks, making it an ideal choice for gamers and performance workstations.
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BKCMB1ABB Specifications
Product Type | Motherboard |
Chipset | AMD B550 |
CPU Socket | AM4 |
CPU Generation | AMD Ryzen 9 |
Supported CPUs | Ryzen 5000 Series |
Memory Type | DDR4 |
Max Memory Capacity | 128 GB |
Memory Channels | Dual |
Memory Slots | 4 DIMM |
Form Factor | ATX |
Use Case | Gaming |
Expansion Slots | PCIe x16 |
PCIe Version | PCIe 4.0 |
M.2 Slots | 2 |
SATA Ports | 6 |
RAID Support | RAID 0 |
Onboard Graphics Support | Yes |
Multi-GPU Support | AMD CrossFire |
USB Ports (Rear) | USB 3.2 Gen 2 |
Internal USB Headers | Yes |
LAN Chipset | Realtek RTL8111H |
LAN Speed | 2.5GbE |
Wi-Fi Support | WiFi 6 |
Multi-Processor Support | Single-Socket |
ECC Support | No |
Redundant Power Support | No |
Remote Management | No |
Bluetooth | 5.1 |
Audio Chipset | Realtek ALC1220 |
Power Phases | 8+1 |
VRM Heatsinks | Yes |
BIOS Type | UEFI |
Dual BIOS | No |
RGB Support | Yes |
Thunderbolt Support | No |
Rear I/O Ports | 1x DisplayPort, 1x HDMI, 2x USB 3.2 Gen 2, 4x USB 2.0, 1x LAN port, 3x Audio Jacks |
Accessories Included | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual |
Product Name | BKCMB1ABB Gaming Motherboard |
Height | 9.6 inches |
Width | 12 inches |
Depth | 1.5 inches |
Weight | 4 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Accessories Included | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | SATA cables, M.2 screws, IO shield, manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | SATA cables, M.2 screws, IO shield, manual |
Audio Chipset | Realtek ALC1220 | Realtek ALC892 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 |
BIOS Type | UEFI | UEFI | UEFI | UEFI | UEFI |
Bluetooth | 5.1 | No | 5.0 | 5.2 | 5.2 |
Chipset | AMD B550 | Intel C621A | AMD B550 | Intel Z790 | AMD B550 |
CPU Generation | AMD Ryzen 9 | Intel Xeon Scalable | AMD Ryzen 9 | Intel Core i7 | AMD Ryzen 9 |
CPU Socket | AM4 | LGA 3647 | AM4 | LGA 1700 | AM4 |
Depth | 1.5 inches | 9.8 inches | 9.6 inches | 1.5 inches | 1.5 inches |
Dual BIOS | No | Yes | No | Yes | No |
ECC Support | No | Yes | No | No | Yes |
Expansion Slots | PCIe x16 | PCIe x16 | PCIe x16 | PCIe x16 | PCIe x16 |
Form Factor | ATX | ATX | ATX | ATX | ATX |
Height | 9.6 inches | 1.0 inches | 1.0 inches | 10.5 inches | 10 inches |
Internal USB Headers | Yes | Yes | Yes | Yes | Yes |
LAN Chipset | Realtek RTL8111H | Intel X550 | Realtek RTL8125 | Intel I219-V | Realtek RTL8125 |
LAN Speed | 2.5GbE | 10GbE | 2.5GbE | 1GbE | 2.5GbE |
M.2 Slots | 2 | 2 | 2 | 2 | 2 |
Max Memory Capacity | 128 GB | 192 GB | 128 GB | 128 GB | 128 GB |
Memory Channels | Dual | Quad | Dual | Dual | Dual |
Memory Slots | 4 DIMM | 8 DIMM | 4 DIMM | 4 DIMM | 4 DIMM |
Memory Type | DDR4 | DDR4 | DDR4 | DDR5 | DDR4 |
Multi-GPU Support | AMD CrossFire | Not Supported | Not Supported | NVIDIA SLI | Not Supported |
Multi-Processor Support | Single-Socket | Dual-Socket | Single-Socket | Single-Socket | Single-Socket |
Onboard Graphics Support | Yes | No | Yes | Yes | Yes |
PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 5.0 | PCIe 4.0 |
Power Phases | 8+1 | 12+1 | 8+1 | 14+2 | 8+1 |
Product Name | BKCMB1ABB Gaming Motherboard | S2600STBR | 90SB05B0-M0UAY0 High-Performance Gaming Motherboard | 90MB1150-M0EAY0 | 90MB13G0-M0EAY0 Gaming Motherboard |
Product Type | Motherboard | Motherboard | Motherboard | Motherboard | Motherboard |
RAID Support | RAID 0 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0/RAID 1/RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 |
Rear I/O Ports | 1x DisplayPort, 1x HDMI, 2x USB 3.2 Gen 2, 4x USB 2.0, 1x LAN port, 3x Audio Jacks | 1 x IPMI LAN, 1 x RJ45 LAN, 2 x USB 3.2 Gen 2, 1 x USB Type-C | 1x DisplayPort, 1x HDMI, 2x USB Type-A, 1x USB Type-C, Audio jacks, LAN port | 2x USB 3.2 Gen 2, 1x USB Type-C, HDMI, DisplayPort, RJ45, Optical Audio | 1 x PS/2 keyboard/mouse combo, 1 x HDMI, 1 x DisplayPort, 4 x USB 3.2, 2 x USB 2.0, 1 x LAN port |
Redundant Power Support | No | No | No | No | No |
Remote Management | No | IPMI | No | BMC | No |
RGB Support | Yes | No | Yes | Yes | Yes |
SATA Ports | 6 | 6 | 6 | 6 | 6 |
Supported CPUs | Ryzen 5000 Series | 12th Gen Intel | Ryzen 5000 Series | 13th Gen Intel | Ryzen 5000 Series |
Thunderbolt Support | No | No | No | Yes | No |
USB Ports (Rear) | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 2 / USB Type-C | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
Use Case | Gaming | Server | Gaming | Gaming | Gaming |
VRM Heatsinks | Yes | Yes | Yes | Yes | Yes |
Weight | 4 lbs | 5 lbs | 3.3 lbs | 3.2 lbs | 3 lbs |
Wi-Fi Support | WiFi 6 | No | WiFi 6 | WiFi 6 | WiFi 6 |
Width | 12 inches | 9.6 inches | 12.0 inches | 9.8 inches | 9 inches |
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