ASUS PRIME B840M-A WIFI-CSM 90MB1J20-MVAAYC AMD motherboard
- AM5
- Ryzen 7000 Series /…
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ASUS
White ATX board for AMD AM5 CPUs with DDR5 up to 8000 MT/s, PCIe 5.0 graphics and M.2, Wi‑Fi 6E, 2.5 Gb LAN and USB 10 Gbps Type‑C
Option B850 MAX GAMING WIFI W
Versi yang dicoret wujud, tetapi tidak tersedia di sini.
The ASUS B850 MAX GAMING WIFI W is an ATX motherboard built for the AMD AM5 socket. It supports Ryzen 7000, 8000 and 9000 series processors with a 10 phase power design and 256GB maximum DDR5 capacity across four slots.
The board provides one PCIe 5.0 x16 slot for graphics and one PCIe 5.0 M.2 2280 slot for storage when paired with Ryzen 9000 or 7000 CPUs. Rear I/O includes USB 10Gbps Type-C, Wi-Fi 6E and 2.5Gb LAN for fast data transfers.
DIY features such as a pre-mounted I/O shield, BIOS FlashBack, Q-Antenna and Q-LED Core simplify assembly and troubleshooting. Builders needing more than three M.2 slots or legacy PCI support should evaluate alternative chipsets.
| Brand | ASUS |
|---|---|
| Model | B850 MAX GAMING WIFI W |
| Part Number | 90MB1M10-MVAAY0 |
| CPU Socket Type | AM5 |
| CPU Type | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| Chipset | AMD B850 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Supports up to 8000+MT/s (OC) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | AMD EXPO |
| ECC Supported | Non-ECC |
| Buffer Supported | Un-buffered |
| Memory Feature | Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO) ASUS Enhanced Memory Profile (AEMP) * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. |
| PCI Express 5.0 x16 | AMD Ryzen 9000 & 7000 Series Desktop Processors* 1 x PCIe 5.0 x16 slot (supports x16 mode) AMD Ryzen 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** |
| PCI Express 4.0 x16 | AMD B850 Chipset 1 x PCIe 4.0 x16 slot (support x4 mode) |
| PCI Express 3.0 x16 | 2 x PCIe 3.0 x16 slots (support x1 mode)*** *** The PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. The SATA6G_1/2 will be disabled when The PCIEX16(G3)_1 or PCIEX16(G3)_2 runs. |
| 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 5.0 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 B850 Chipset M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode) |
| SATA RAID | AMD RAIDXpert2 Technology Ryzen 9000 Series Processors: RAID 0/1/5/10 Ryzen 8000 Series Processors: RAID 0/1 Ryzen 7000 Series Processors: RAID 0/1/10 |
| Audio Channels | Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
| 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) 3 x USB 10Gbps ports (3 x Type-A) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 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 3 x USB 2.0 headers support 6 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 RGB 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 AI Advisor ASUS Driver Hub ASUS GlideX TurboV Core ASUS CPU-Z Adobe Creative Cloud (Free Trial) 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 |
| Features | ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage protection - SafeSlot - 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 Aura Sync - Addressable RGB Gen 2 headers |
| Berat penghantaran | 1.47 kg |
| Dimensi bungkusan | 356 × 279 × 76 mm |
Versi lain model ini
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The VRM and M.2 heatsinks are passive components with no moving parts and do not require scheduled cleaning or replacement under normal operation.
The 8+2+1 phase digital power design delivers stable current, while the VRM heatsink and 6-layer PCB manage heat; the thermal capacity of the VRM area becomes the practical limit during extended heavy loads.
The motherboard itself has no active cooling, so it adds no fan noise; the VRM and PCH heatsinks dissipate heat passively, keeping temperatures low during continuous network traffic.
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