ASUS Prime B840M-A WiFi-CSM AMD AM5 B840 mATX Motherboard, Advanced AI Ready, DDR5

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💡 How to pick a motherboard
What to look for:
  • Socket matches your CPU (AM5, LGA1851, etc.)
  • Form factor fits your case (ATX, mATX, ITX)
  • RAM type (DDR4 or DDR5) and slot count
💰 Budget: $100-$150. Mid-range: $180-$280. High-end: $300+ with WiFi, PCIe 5.0
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ProductSocketForm FactorChipsetWiFiValuePrice
Prime B840M-A WiFi-CSM AMD AM5 B840 mATX Motherboard, Advanced AI Ready, DDR5 Motherboard
Prime B840M-A WiFi-CSM AMD AM5 B840 mATX Motherboard, Advanced AI Ready, DDR5
ASUS★★★★3.8🔥 DEAL -$25
AM5
mATX
B840
WiFi
B
$179.99
$154.99
Specifications
asinB0DPLPL5KJ
reviews8
UPC197105797154
Model #PRIME B840M-A WIFI-CSM
Weight2.1 lbs
SocketAM5
MemoryDDR5
Max RAM192
RAM Slots4
Form FactormATX
WiFiWiFi
value33
PERFORMANCE
62%
Customer Reviews★★★★★5.0 · 1 review
★★★★★Good quality and easy setup
It works well and was easy enough to put into my case.
Alexis Hernandez · 2025-10-07 · via amazon
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Amazon
✓ In Stock
$154.99
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Newegg (Open Box)
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VALUE SCORE
B
16.0
Good value
Performance (62%) ÷ Price ($154.99) = 16.0
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
FUTURE-PROOFING
✅AM5 — supported through 2027+
✅DDR5 memory
💰
Below MSRP
Was $179.99 → $154.99
14% off
Prime B840M-A WiFi-CSM AMD AM5 B840 mATX Motherboard, Advanced AI Ready, DDR5 Motherboard
CONSIDER INSTEAD
SAVE $84.0000000000000197% of this product's perf
A520M S2H (AMD Ryzen AM4/MicroATX/4+3 Phases Digital PWM/Gigabyte Gaming GbE LAN/NVMe PCIe 3.0 x4 M.2/3 Display Interfaces/Q-Flash Plus/RGB Fusion 2.0/Motherboard)
Socket
AM4
Chipset
A520
Form
ATX
WiFi
None
$70.99
+10% FASTER$65.00000000000001 cheaper
PRO B760M-P Motherboard, Micro-ATX - Supports Intel 14th, 13th & 12th Gen Core Processors
Socket
LGA1700
Chipset
B760
Form
mATX
WiFi
None
$89.99