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BKCMB1BB |
Description: | Intel Next Unit of Computing Board Element CMB1BB - motherboard - Element Carrier Board |
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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BKCMB1BB Overview
BKCMB1BB is a high-performance motherboard built around the AMD B550 chipset and designed for AMD Ryzen 9 processors. It offers an AM4 CPU socket that supports Ryzen 5000 Series CPUs, DDR4 memory compatibility with a maximum capacity of 128 GB across 4 DIMM slots operating in dual channel mode, and an efficient 8+1 power phase VRM design with robust thermal solutions for optimized stability.
This motherboard features versatile expansion with PCIe x16 slots running on PCIe 4.0, dual M.2 slots, and 6 SATA ports for extensive storage options. Networking is solid with a Realtek RTL8125 LAN supporting 2.5GbE and integrated WiFi 6, while the rear I/O panel includes an array of connections such as HDMI, DisplayPort, multiple USB ports, and audio jacks—making it ideal for both gaming and workstation use.
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BKCMB1BB 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 / Workstation |
Expansion Slots | PCIe x16 |
PCIe Version | PCIe 4.0 |
M.2 Slots | 2 |
SATA Ports | 6 |
RAID Support | RAID 0 / RAID 1 / RAID 10 |
Onboard Graphics Support | Yes |
Multi-GPU Support | Not Supported |
USB Ports (Rear) | USB 3.2 Gen 2 |
Internal USB Headers | Yes |
LAN Chipset | Realtek RTL8125 |
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 | Yes |
Rear I/O Ports | 1x PS/2, 1x HDMI, 2x DisplayPort, 4x USB 3.2, 1x RJ45, Audio jacks |
Accessories Included | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual |
Product Name | BKCMB1BB High-Performance AMD B550 Motherboard |
Height | 10 inches |
Width | 12 inches |
Depth | 5 inches |
Weight | 3 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Accessories Included | IO shield, SATA cables, M.2 screws, user manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | IO shield, SATA cables, M.2 screws, manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual | SATA cables, M.2 screws, IO shield, Wi-Fi antenna, manual |
Audio Chipset | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 | Realtek ALC1220 |
BIOS Type | UEFI | UEFI | UEFI | UEFI | UEFI |
Bluetooth | 5.2 | 5.1 | 5.0 | 5.2 | 5.2 |
Chipset | Intel Z790 | AMD B550 | AMD B550 | Intel C621A | Intel Z790 |
CPU Generation | Intel Core i7 | AMD Ryzen 9 | AMD Ryzen 9 | Intel Xeon Scalable | Intel Core i9 |
CPU Socket | LGA 1700 | AM4 | AM4 | LGA 4189 | LGA 1700 |
Depth | 9.6 inches | 5 inches | 10 inches | 1.5 inches | 10.2 inches |
Dual BIOS | No | No | No | Yes | No |
ECC Support | Yes | No | No | Yes | No |
Expansion Slots | PCIe x16 | PCIe x16 | PCIe x16 | PCIe x16 | PCIe x16 |
Form Factor | Mini-ITX | ATX | ATX | ATX | ATX |
Height | 0.9 inches | 10 inches | 1.8 inches | 9.6 inches | 1.8 inches |
Internal USB Headers | Yes | Yes | Yes | Yes | Yes |
LAN Chipset | Intel I219-V | Realtek RTL8125 | Realtek RTL8111H | Intel I219-V | Intel I219-V |
LAN Speed | 1GbE | 2.5GbE | 1GbE | 10GbE | 1GbE |
M.2 Slots | 2 | 2 | 2 | 2 | 2 |
Max Memory Capacity | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
Memory Channels | Dual | Dual | Dual | Quad | Dual |
Memory Slots | 2 DIMM | 4 DIMM | 4 DIMM | 8 DIMM | 4 DIMM |
Memory Type | DDR5 | DDR4 | DDR4 | DDR4 | DDR5 |
Multi-GPU Support | Not Supported | Not Supported | AMD CrossFire | NVIDIA SLI | Not Supported |
Multi-Processor Support | Single-Socket | Single-Socket | Single-Socket | Single-Socket | Single-Socket |
Onboard Graphics Support | Yes | Yes | Yes | No | Yes |
PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 5.0 |
Power Phases | 8+1 | 8+1 | 8+1 | 12+1 | 14+2 |
Product Name | BNUC11TNBI70Z00 Workstation Motherboard | BKCMB1BB High-Performance AMD B550 Motherboard | BKCMB1ABA Gaming Motherboard | BNUC11TNBI70000 Workstation Motherboard | 90MB16N0-M0EAY0 Motherboard |
Product Type | Motherboard | Motherboard | Motherboard | Motherboard | Motherboard |
RAID Support | RAID 0 | RAID 0 / RAID 1 / RAID 10 | RAID 0 / RAID 1 / RAID 10 | RAID 0 / RAID 1 / RAID 10 | RAID 0 |
Rear I/O Ports | 1 x HDMI, 1 x DisplayPort, 2 x USB 3.2 Gen 2, 2 x USB 3.2 Gen 1, 1 x LAN, Audio jacks | 1x PS/2, 1x HDMI, 2x DisplayPort, 4x USB 3.2, 1x RJ45, Audio jacks | 1x HDMI, 1x DisplayPort, 2x USB 3.2 Gen 2, 4x USB 2.0, 1x RJ45, 3x Audio Jacks | 2 x USB 3.2 Gen 2, 1 x HDMI, 1 x RJ-45, Audio In/Out | 1x HDMI, 2x DisplayPort, 4x USB 3.2 Gen 2, 1x RJ45, 1x Audio Jack |
Redundant Power Support | No | No | No | No | No |
Remote Management | No | No | No | BMC | IPMI |
RGB Support | Yes | Yes | Yes | No | Yes |
SATA Ports | 4 | 6 | 6 | 6 | 6 |
Supported CPUs | 12th Gen Intel | Ryzen 5000 Series | Ryzen 5000 Series | N/A | 13th Gen Intel |
Thunderbolt Support | Yes | Yes | No | Yes | Yes |
USB Ports (Rear) | 2 x USB 3.2 Gen 2, 2 x USB 3.2 Gen 1, 1 x USB Type-C | USB 3.2 Gen 2 | 1x HDMI, 1x DisplayPort, 2x USB 3.2 Gen 2, 4x USB 2.0, 1x RJ45, 3x Audio Jacks | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
Use Case | Workstation | Gaming / Workstation | Gaming | Workstation | Gaming / Workstation |
VRM Heatsinks | Yes | Yes | Yes | Yes | Yes |
Weight | 1.8 lbs | 3 lbs | 3.2 lbs | 3 lbs | 4.3 lbs |
Wi-Fi Support | WiFi 6 | WiFi 6 | WiFi 6 | WiFi 6 | WiFi 6 |
Width | 9.6 inches | 12 inches | 12 inches | 12 inches | 9.6 inches |
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