TUF Gaming
Main
I/O
Board
ASUS TUF Gaming
ASUS TUF GAMING B450-PLUS II
B450 ATX motherboard for AMD AM4 — DDR4, up to 128 GB, PCIe 3.0, 1GbE.
Socket
AMD AM4
The CPU socket determines which processors are compatible with this motherboard.
Chipset
B450
The chipset controls data flow between the processor, memory, and peripherals.
Max RAM
128 GB DDR4
Maximum supported memory capacity when all DIMM slots are populated with highest-density modules.
PCIe Gen
PCIe 3.0
The PCIe generation determines maximum bandwidth for graphics cards and NVMe storage.
Ordering Code90MB1600-M0EAY0
PackageRetail (Box)
CategoryMotherboards
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I/O & Connectivity
Memory
DDR4 (4 DIMM)
Max Capacity
128 GB
PCIe
Gen 3.0
M.2 Slots
2
LAN
1GbE
USB
USB 3.2 Gen2
Audio
Realtek S1200A 7.1
Rear I/O backplate diagram — refer to ASUS product page for detailed layout
Motherboard Anatomy
1
VRM / Power Delivery
Voltage Regulator Module area — delivers clean, stable power to the CPU for reliable performance under load.
2
M.2 SSD Slots
2 M.2 slots for NVMe solid-state drives — PCIe 3.0 interface for maximum sequential read/write speeds.
3
Audio Subsystem
Realtek S1200A 7.1 — shielded audio circuitry with dedicated PCB layers for clean signal separation.
Full Specifications
Specifications sourced from ASUS official product database. Data verified against distributor documentation.
| Platform | |
| Chipset | B450 |
| Socket | AMD AM4 |
| Form Factor | ATX |
| Memory | |
| Memory Type | DDR4 |
| DIMM Slots | 4 |
| Max RAM | 128 GB |
| Expansion | |
| PCIe Generation | PCIe 3.0 |
| M.2 Slots | 2 |
| Connectivity | |
| LAN | 1GbE |
| USB (Rear I/O) | USB 3.2 Gen2 |
| Audio | |
| Audio Codec | Realtek S1200A 7.1 |
| Ordering | |
| Part Number | 90MB1600-M0EAY0 |
| Series | TUF Gaming |
Support & Downloads
Latest BIOS Update
Visit ASUS Support
Chipset & LAN Drivers
Visit ASUS Support
User Manual & Quick Start Guide
Visit ASUS Support
Frequently Asked Questions
What socket does the TUF GAMING B450-PLUS II use?
The TUF GAMING B450-PLUS II uses the AMD AM4 socket, compatible with AMD desktop processors.
How much RAM does the TUF GAMING B450-PLUS II support?
The TUF GAMING B450-PLUS II supports up to 128 GB of DDR4 memory across 4 DIMM slots.
How many M.2 slots does the TUF GAMING B450-PLUS II have?
The TUF GAMING B450-PLUS II features 2 M.2 slots for high-speed NVMe SSD storage with PCIe 3.0 support.