
PRIME B840M-R
Model PRIME B840M-RPart no. 90MB1PT0-M0EAY0EAN 4711636560696
72 specifications
- SpeedNot available
- Weight563 g
- ColourMulticolour
- Processor manufacturerAMD
- Supported memory typesDDR5-SDRAM
- Supported storage drive typesHDD & SSD
Overview
- Speed
- Not available
- Weight
- 563 g
- Colour
- Multicolour
- Processor manufacturer
- AMD
- Supported memory types
- DDR5-SDRAM
- Supported storage drive types
- HDD & SSD
- Brand
- ASUS
- Category
- Motherboard
- Model
- PRIME B840M-R
- Part number
- 90MB1PT0-M0EAY0
- EAN / UPC
- 4711636560696, 4711636560702
- Also known as
- ASUS PRIME B840M-R AMD B840 Socket AM5 micro ATX
Specifications
72 specifications in 13 groups
Processor
| Specification | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series |
Memory
| Specification | Value |
|---|---|
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | Non-ECC |
| Supported memory clock speed (max) | 7600 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, 5, 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 |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 2 |
| EPS power connector (8-pin) | Yes |
| 12V power connector | Yes |
| Number of COM connectors | 1 |
| TPM connector | Yes |
Rear panel I/O ports
| Specification | Value |
|---|---|
| USB 2.0 ports quantity | 2 |
| 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 | 0 |
| 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 | 0 |
| HDMI ports quantity | 1 |
| DVI-D ports quantity | 0 |
| DisplayPorts quantity | 1 |
| Headphone outputs | 1 |
| Line-in | Yes |
| Microphone in | Yes |
| USB connector type | USB Type-A |
Network
| Specification | Value |
|---|---|
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| Wi-Fi | No |
| Top Wi-Fi standard | Not available |
Features
| Specification | Value |
|---|---|
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Audio output channels | 7.1 channels |
| Product colour | Multicolour |
| Windows operating systems supported | Windows 11, Windows 10 x64 |
Expansion slots
| Specification | Value |
|---|---|
| PCI Express x1 (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 |
BIOS
| Specification | Value |
|---|---|
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
Packaging data
| Specification | Value |
|---|---|
| Package width | 260 mm |
| Package depth | 270 mm |
| Package height | 51.5 mm |
| Package weight | 924 g |
Weight & dimensions
| Specification | Value |
|---|---|
| Width | 236 mm |
| Depth | 229 mm |
| Height | 36.5 mm |
Other features
| Specification | Value |
|---|---|
| Weight | 563 g |











