
PRIME B550M-K
Model PRIME B550M-KPart no. 90MB14V0-M0UAY0EAN 4718017758291
73 specifications
- Processor manufacturerAMD
- Supported memory typesDDR4-SDRAM
- Supported storage drive typesHDD & SSD
- Parallel processing technology supportNot supported
- USB 2.0 connectors2
- USB 2.0 ports quantity0
Overview
- Processor manufacturer
- AMD
- Supported memory types
- DDR4-SDRAM
- Supported storage drive types
- HDD & SSD
- Parallel processing technology support
- Not supported
- USB 2.0 connectors
- 2
- USB 2.0 ports quantity
- 0
- Brand
- ASUS
- Category
- Motherboard
- Model
- PRIME B550M-K
- Part numbers
- 90MB14V0-M0UAY0, 90MB140V0-30EAY0, 90MB14V0-M0EAY0, 90MB14V0-M0AAY0
- EAN / UPC
- 4718017758291, 192876758281, 192876758298, 4718017758284
- Also known as
- ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Specifications
73 specifications in 12 groups
Processor
| Specification | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series |
| Supported processor sockets | Socket AM4 |
Memory
| Specification | Value |
|---|---|
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400 MHz |
| Supported memory clock speed (max) | 4400 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
Storage controllers
| Specification | Value |
|---|---|
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
Graphics
| Specification | Value |
|---|---|
| Parallel processing technology support | Not supported |
Internal I/O
| Specification | Value |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Audio connector | Yes |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Number of EATX power connectors | 1 |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 2 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 1 |
| 12V power connector | Yes |
| Number of COM connectors | 1 |
| TPM connector | Yes |
Rear panel I/O ports
| Specification | Value |
|---|---|
| USB 2.0 ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| VGA (D-Sub) ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DVI-D ports quantity | 1 |
| Line-in | Yes |
| Microphone in | Yes |
Network
| Specification | Value |
|---|---|
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
Features
| Specification | Value |
|---|---|
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Windows operating systems supported | Windows 10 x64 |
Expansion slots
| Specification | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 3.0 |
| 2nd M.2 largest key size | 22110 |
| 2nd M.2 highest PCI Express generation | 3.0 |
BIOS
| Specification | Value |
|---|---|
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
Weight & dimensions
| Specification | Value |
|---|---|
| Width | 244 mm |
| Depth | 244 mm |
Packaging content
| Specification | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |











