Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard
Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard
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Compatible Products
Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard Asus PRIME B840M-A WIFI Micro ATX AM5 Motherboard
Specifications
ManufacturerAsus
Part #

PRIME B840M-A WIFI

90MB1J20-M0EAY0
Socket / CPUAM5
Form FactorMicro ATX
ChipsetAMD B840
Memory Max192 GB
Memory TypeDDR5
Memory Slots4
Memory Speed

DDR5-6400

DDR5-6600

DDR5-6800

DDR5-7200

DDR5-7600
ColorSilver / Black
PCIe x16 Slots3
PCIe x8 Slots0
PCIe x4 Slots0
PCIe x1 Slots0
PCI Slots0
M.2 Slots

2280 M-key

2242/2260/2280 M-key

2280 M-key
Mini-PCIe Slots0
Half Mini-PCIe Slots0
Mini-PCIe / mSATA Slots0
mSATA Slots0
SATA 6.0 Gb/s4
Onboard Ethernet1 x 2.5 Gb/s (Realtek)
Onboard VideoDepends on CPU
USB 2.0 Headers2
USB 2.0 Headers (Single Port)0
USB 3.2 Gen 1 Headers1
USB 3.2 Gen 2 Headers1
USB 3.2 Gen 2x2 Headers0
Supports ECCNo
Wireless NetworkingWi-Fi 6E
RAID SupportYes
Uses Back-Connect ConnectorsNo

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compatible CPUs

AMD Ryzen 5 7600X 4.7 GHz 6-Core Processor AMD Ryzen 5 7600X 4.7 GHz 6-Core Processor
AMD Ryzen 7 9800X3D 4.7 GHz 8-Core Processor AMD Ryzen 7 9800X3D 4.7 GHz 8-Core Processor
AMD Ryzen 7 7800X3D 4.2 GHz 8-Core Processor AMD Ryzen 7 7800X3D 4.2 GHz 8-Core Processor
AMD Ryzen 7 7700X 4.5 GHz 8-Core Processor AMD Ryzen 7 7700X 4.5 GHz 8-Core Processor

compatible CPU coolers

Cooler Master Hyper 212 Black Edition 42 CFM CPU Cooler Cooler Master Hyper 212 Black Edition 42 CFM CPU Cooler
ARCTIC Liquid Freezer III 56.3 CFM Liquid CPU Cooler ARCTIC Liquid Freezer III 56.3 CFM Liquid CPU Cooler
Corsair iCUE H150i ELITE CAPELLIX XT 65.57 CFM Liquid CPU Cooler Corsair iCUE H150i ELITE CAPELLIX XT 65.57 CFM Liquid CPU Cooler
Thermalright Phantom Spirit 120 SE ARGB 66.17 CFM CPU Cooler Thermalright Phantom Spirit 120 SE ARGB 66.17 CFM CPU Cooler

compatible Cases

Corsair 4000D Airflow ATX Mid Tower Case Corsair 4000D Airflow ATX Mid Tower Case
Montech XR ATX Mid Tower Case Montech XR ATX Mid Tower Case
NZXT H9 Flow ATX Mid Tower Case NZXT H9 Flow ATX Mid Tower Case
NZXT H5 Flow ATX Mid Tower Case NZXT H5 Flow ATX Mid Tower Case

compatible RAMs

G.Skill Trident Z5 RGB 64 GB (2 x 32 GB) DDR5-6400 CL32 Memory G.Skill Trident Z5 RGB 64 GB (2 x 32 GB) DDR5-6400 CL32 Memory
Corsair Dominator Titanium 64 GB (2 x 32 GB) DDR5-6600 CL32 Memory Corsair Dominator Titanium 64 GB (2 x 32 GB) DDR5-6600 CL32 Memory
Corsair Vengeance 64 GB (2 x 32 GB) DDR5-6400 CL32 Memory Corsair Vengeance 64 GB (2 x 32 GB) DDR5-6400 CL32 Memory
G.Skill Trident Z5 RGB 32 GB (2 x 16 GB) DDR5-6400 CL32 Memory G.Skill Trident Z5 RGB 32 GB (2 x 16 GB) DDR5-6400 CL32 Memory

compatible Optical Drives

LG WH14NS40 Blu-Ray/DVD/CD Writer LG WH14NS40 Blu-Ray/DVD/CD Writer
Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer
Lite-On iHAS124-14 DVD/CD Writer Lite-On iHAS124-14 DVD/CD Writer
Asus BC-12D2HT Blu-Ray/DVD/CD Writer Asus BC-12D2HT Blu-Ray/DVD/CD Writer

compatible Sound Cards

Creative Labs Sound BlasterX AE-5 Plus 32-bit 384 kHz Sound Card Creative Labs Sound BlasterX AE-5 Plus 32-bit 384 kHz Sound Card
Creative Labs ZXR 24-bit 192 kHz Sound Card Creative Labs ZXR 24-bit 192 kHz Sound Card
Creative Labs Sound Blaster AE-9 32-bit 384 kHz Sound Card Creative Labs Sound Blaster AE-9 32-bit 384 kHz Sound Card
Asus Xonar SE 24-bit 192 kHz Sound Card Asus Xonar SE 24-bit 192 kHz Sound Card

compatible Internal Hard Drives

Kingston NV2 1 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive Kingston NV2 1 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive
Samsung 990 Pro 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive Samsung 990 Pro 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive
Crucial P3 Plus 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive Crucial P3 Plus 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive
Crucial P3 Plus 1 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive Crucial P3 Plus 1 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive

compatible GPUs

MSI GeForce RTX 3060 Ventus 2X 12G GeForce RTX 3060 12 GB Graphics Card MSI GeForce RTX 3060 Ventus 2X 12G GeForce RTX 3060 12 GB Graphics Card
MSI VENTUS 2X BLACK OC GeForce RTX 4060 8 GB Video Card MSI VENTUS 2X BLACK OC GeForce RTX 4060 8 GB Video Card
Asus TUF GAMING OC GeForce RTX 4070 Ti SUPER 16 GB Video Card Asus TUF GAMING OC GeForce RTX 4070 Ti SUPER 16 GB Video Card
NVIDIA Founders Edition GeForce RTX 5090 32 GB Video Card NVIDIA Founders Edition GeForce RTX 5090 32 GB Video Card

compatible Wired Network Adapters

TP-Link TG-3468 Gigabit Ethernet PCIe x1 Network Adapter TP-Link TG-3468 Gigabit Ethernet PCIe x1 Network Adapter
StarTech ST10GPEXNDPI 2 x 10 Gb/s Ethernet PCIe x4 Network Adapter StarTech ST10GPEXNDPI 2 x 10 Gb/s Ethernet PCIe x4 Network Adapter
Asus XG-C100C 10 Gb/s Ethernet PCIe x4 Network Adapter Asus XG-C100C 10 Gb/s Ethernet PCIe x4 Network Adapter
Intel X540-BT2 2 x 10 Gb/s Ethernet PCIe x8 Network Adapter Intel X540-BT2 2 x 10 Gb/s Ethernet PCIe x8 Network Adapter

compatible Wireless Network Adapters

Gigabyte GC-WBAX210 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter Gigabyte GC-WBAX210 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter
Asus PCE-AX3000 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter Asus PCE-AX3000 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter
TP-Link TL-WN881ND 802.11a/b/g/n PCIe x1 Wi-Fi Adapter TP-Link TL-WN881ND 802.11a/b/g/n PCIe x1 Wi-Fi Adapter
TP-Link Archer TX55E 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter TP-Link Archer TX55E 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter
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