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Motherboard
B860 Lightning WiFi
ASRock
$23202
Z890 Pro RS WiFi
ASRock
$22999
Chipset
Intel B860Intel Z890
Socket
LGA1851LGA1851
Form Factor
ATXATX
Max Memory
256 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
Max Memory Speed
8933-
ECC Memory Support
No No
PCIe x16 Slots
21
PCIe x16 4.0 Slots
11
PCIe x16 5.0 Slots
10
PCIe x1 Slots
01
M.2 Slots
44
M.2 Slot Specifics
  1. 2280M (PCIe 4.0 x4)
  2. 2230-2242M (PCIe 4.0 x4)
  3. 2280M (PCIe 4.0 x4)
  4. 2280M (PCIe 4.0 x4)
  5. 2280M (PCIe 4.0 x4)
  6. 2280E (PCIe 4.0 x4)
  1. 2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2230-2242M (PCIe4.0x4)
  5. 2280M (PCIe4.0x4)
  6. 2280E (PCIe4.0x4)
SATA Ports
46
USB 2.0 Headers
22
USB 3.2 Headers
22
Total USB Ports
10-
USB Type-C Ports
1-
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
Realtek ALC1220Realtek
Audio Channels
7.17.1
Optical S/PDIF Out
Yes Yes
BIOS Flashback
No No
Color
DarkDark
Supported CPUs
Intel Core Ultra Series 2Intel Core Ultra Series 2
M.2 Heatsink/Shields
- Yes
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Comparison Analysis

Comparing the B860 Lightning WiFi vs Z890 Pro RS WiFi reveals distinct differences in their targeted use cases.

Both components are priced similarly, making the choice dependent on specific features rather than budget.