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Motherboard
B860 PRIME-PLUS-CSM
ASUS
$45814
Z890 ROG MAXIMUS APEX
ASUS
$61099
Chipset
Intel B860Intel Z890
Socket
LGA1851LGA1851
Form Factor
ATXATX
Max Memory
256 GB96 GB
Memory Type
DDR5DDR5
Memory Slots
42
ECC Memory Support
No No
PCIe x16 Slots
22
PCIe x16 4.0 Slots
22
M.2 Slots
612
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)
  5. 2242-2260M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  7. 2242-2260M (PCIe4.0x4)
  8. 2280M (PCIe4.0x4)
  9. 2230-2242M (PCIe4.0x4)
  10. 2280M (PCIe4.0x4)
  11. 2230-2242M (PCIe4.0x4)
  12. 2280M (PCIe4.0x4)
SATA Ports
40
USB 2.0 Headers
22
USB 3.2 Headers
12
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No No
BIOS Flashback
No No
Color
DarkLight
Supported CPUs
Intel Core Ultra Series 2Intel Core Ultra Series 2
M.2 Heatsink/Shields
No Yes
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Comparison Analysis

Comparing the B860 PRIME-PLUS-CSM vs Z890 ROG MAXIMUS APEX reveals distinct differences in their targeted use cases.

The B860 PRIME-PLUS-CSM is the more budget-friendly option, costing approximately $153 (33%) less than the Z890 ROG MAXIMUS APEX.