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Motherboard
B840 PRIME M-A WIFI
ASUS
$50483
X670E Taichi Carrara
ASRock
$59999
Chipset
AMD B840AMD X670E
Socket
AM5AM5
Form Factor
Micro ATXEATX
Max Memory
192 GB128 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
32
PCIe x16 4.0 Slots
30
PCIe x16 5.0 Slots
02
M.2 Slots
45
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  2. 2242-2260M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  1. 2242M (PCIeGen4x4)
  2. 2260M (PCIeGen4x4)
  3. 2280M (PCIeGen4x4)
  4. 2230E (PCIeGen4x4)
  5. 22110M (PCIeGen4x4)
SATA Ports
04
USB 2.0 Headers
22
USB 3.2 Headers
12
USB 3.2 (Gen 2) Headers
10
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek ALC4082
Audio Channels
7.17.1
Optical S/PDIF Out
No Yes
BIOS Flashback
No Yes
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
- Yes
Product Release
-2022
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Comparison Analysis

Comparing the B840 PRIME M-A WIFI vs X670E Taichi Carrara reveals distinct differences in their targeted use cases.

The B840 PRIME M-A WIFI is the more budget-friendly option, costing approximately $95 (19%) less than the X670E Taichi Carrara.