ASUS
ASUS PRIME B840-PLUS WIFI AMD motherboard
ATX board for AM5 Ryzen 7000, 8000 and 9000 CPUs with DDR5 up to 7600 MT/s, 192 GB max, three M.2 slots, Wi-Fi 6E and 2.5 Gb LAN
- CPU Socket TypeAM5
- CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
- ChipsetAMD B840
- Number of Memory Slots4x288pin (DDR5)
- Memory StandardUp to 7600+MT/s (OC)
- Maximum Memory Supported192GB
Option PRIME B840-PLUS WIFI
- ROG STRIX B850-F GAMING WIFI
- ROG STRIX B850-A GAMING WIFI
- ROG STRIX B850-I GAMING WIFI
- TUF GAMING B850-PLUS WIFI
- TUF GAMING B850M-PLUS WIFI
- PRIME B840-PLUS WIFI
- PRIME B840M-A WIFI-CSM
- B850 MAX GAMING WIFI W
- TUF GAMING B850M-E WIFI
- PRIME B850-PLUS WIFI
- TUF GAMING B850M-PLUS WIFI7
- ROG Strix B850-F GAMING WIFI7 NEO
Przekreślone wersje istnieją, ale nie są dostępne w tym miejscu.
- AM5 socket supports Ryzen 7000, 8000 and 9000 series processors
- Four DDR5 slots accept up to 192 GB at 7600 MT/s
- Two PCIe 4.0 M.2 slots and four SATA ports for fast storage
- Wi-Fi 6E and 2.5 Gb LAN give high-speed wired and wireless links
- Rear USB 10 Gbps Type-A and Type-C plus front USB 5 Gbps Type-C header
AM5 socket for Ryzen 7000 8000 9000 series
The ASUS PRIME B840-PLUS WIFI is an ATX motherboard built around the AMD B840 chipset and AM5 socket. It supports Ryzen 7000, 8000 and 9000 series desktop processors. The board provides four DDR5 slots for up to 192GB of memory running at 7600 MT/s with EXPO or AEMP profiles. It is suited to builders who want AI-ready performance and extensive connectivity.
Pre-mounted I/O shield
A pre-mounted I/O shield removes the usual fiddly alignment step. BIOS FlashBack lets you update firmware without a CPU or memory installed, which avoids a common dead-end when a new processor needs a newer BIOS. Q-LED Core and Q-Dashboard give clear POST codes and visual slot status so wiring mistakes are caught early. The Q-Antenna snaps onto the Wi-Fi 6E module without screwing.
Check CPU generation for PCIe lane allocation
Ryzen 7000 and 9000 series give a full PCIe 4.0 x16 primary slot and two PCIe 4.0 M.2 slots at 2280. Ryzen 8000 series reduces the primary slot to x8 or x4 and changes M.2 lane distribution. The chipset adds one PCIe 3.0 x4 slot, two x1 slots and a shared x1 slot. Verify your cooler clears the VRM heatsink and that your power supply has the required 8-pin EPS connector.
Najważniejsze cechy
- AM5 socket supports Ryzen 7000, 8000 and 9000 series processors
- Four DDR5 slots accept up to 192 GB at 7600 MT/s
- Two PCIe 4.0 M.2 slots and four SATA ports for fast storage
- Wi-Fi 6E and 2.5 Gb LAN give high-speed wired and wireless links
- Rear USB 10 Gbps Type-A and Type-C plus front USB 5 Gbps Type-C header
Specyfikacja
| Brand | ASUS |
|---|---|
| Model | PRIME B840-PLUS WIFI |
| Part Number | 90MB1IZ0-M0AAY0 |
| CPU Socket Type | AM5 |
| CPU Type | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| Chipset | AMD B840 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Up to 7600+MT/s (OC) |
| Maximum Memory Supported | 192GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | AMD EXPO |
| ECC Supported | Yes |
| Buffer Supported | Un-buffered |
| Memory Feature | Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO) ASUS Enhanced Memory Profile (AEMP) |
| PCI Express 4.0 x16 | AMD Ryzen 9000 & 7000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode) |
| PCI Express 3.0 x16 | AMD B840 Chipset 1 x PCIe 3.0 x16 slot (support x4 mode)*** 2 x PCIe 3.0 x16 slots (support x1 mode)*** *** The PCIEX16(G3)_1/3 and PCIEX1(G3) share bandwidth with PCIEX16(G3)_2. The PCIEX16(G3)_2 will run x1 mode when any of the PCIEX16(G3)_1/3 and PCIEX1(G3) slots is occupied. |
| PCI Express x1 | 1 x PCIe 3.0 x1 slot*** |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | AMD Ryzen 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) AMD Ryzen 8000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode) AMD B840 Chipset M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 mode |
| SATA RAID | AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. *RAID 5 Function is only supported by AMD Ryzen 9000 series CPU. |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 ax |
| Bluetooth | Bluetooth 5.3 |
| Back I/O Ports | 1 x USB 10Gbps port (1 x USB Type-C) 1 x USB 10Gbps port (1 x Type-A) 2 x USB 5Gbps ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack button |
| Onboard USB | 1 x USB 5Gbps connector (supports USB Type-C) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports |
| Other Connectors | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan header Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header 1 x Thunderbolt (USB4) header |
| Form Factor | ATX |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connectors 1 x 4-pin +12V CPU Power connectors |
| BIOS Feature | 256 Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 2+ - Power Saving ASUS Driver Hub ASUS GlideX TurboV Core ASUS CPU-Z Norton 360 Deluxe (60 Days Free Trial) WinRAR (40 Days Free Trial) UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey |
| Windows 11 | Windows 11, Windows 10 64-bit |
| Features | ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage protection - SafeSlot core+ - Stainless-steel back I/O ASUS Q-Design - Q-Antenna - Q-Dashboard - Q-DIMM - Q-LED Core - Q-Slot ASUS Thermal Solution - Flexible M.2 heatsink - VRM heatsink design ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED - Pre-mounted I/O shield - SafeSlot core+ Aura Sync - Addressable Gen 2 headers |
| Package Contents | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 2 x M.2 rubber packages 2 x Screw packages for M.2 SSD Documentation 1 x Quick start guide |
| Waga przesyłki | 2.72 kg |
| Wymiary opakowania | 356 × 279 × 76 mm |
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Pytania dotyczące tego produktu
How do I confirm the ASUS PRIME B840-PLUS WIFI is working after setup?
Power on and check the Q-LED Core indicators for CPU, memory, GPU and boot status; enter BIOS to verify the installed CPU is detected, DDR5 runs at the expected MT/s and all four M.2 slots appear.
What ships in the box with the PRIME B840-PLUS WIFI and what must I buy separately?
The motherboard, pre-mounted I/O shield, Wi-Fi 6E antenna kit, SATA cables, M.2 screws and documentation are included; you must purchase an AM5 Ryzen 7000/8000/9000 processor, DDR5 memory modules, storage drives and a power supply separately.
Which memory capacity should I choose for the four DDR5 slots on this board?
The board supports up to 192 GB across four 288-pin slots in dual-channel mode; populate two or four modules for best performance and enable AMD EXPO or AEMP profiles for speeds up to 7600+ MT/s.
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