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Motherboard
B860 PRIME-PLUS-CSM
ASUS
$45814
B860 PRIME B860M-A-CSM
ASUS
$54243
Chipset
Intel B860Intel B860
Socket
LGA1851LGA1851
Form Factor
ATXMicro ATX
Max Memory
256 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
22
PCIe x16 4.0 Slots
22
PCIe x1 Slots
01
M.2 Slots
64
M.2 Slot Specifics
  1. 2242-2260M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2242-2260M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2242-2260M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  1. 2242-2260M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2242-2260M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
SATA Ports
44
USB 2.0 Headers
21
USB 3.2 Headers
11
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No No
BIOS Flashback
No No
Color
DarkDark
Supported CPUs
Intel Core Ultra Series 2Intel Core Ultra Series 2
M.2 Heatsink/Shields
No-
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Comparison Analysis

Comparing the B860 PRIME-PLUS-CSM vs B860 PRIME B860M-A-CSM reveals distinct differences in their targeted use cases.

The B860 PRIME-PLUS-CSM is the more budget-friendly option, costing approximately $84 (18%) less than the B860 PRIME B860M-A-CSM.