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ASUS ROG Strix Z490-I Gaming vs ROG Strix B450-I Gaming

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Brand
ASUS
Brand
Asus
Model
  • ROG Strix Z490-I Gaming
  • 90MB13A0-M0EAY0
  • 90MB13A0-M0AAY0
Model
  • Strix B450-I Gaming
  • ROG Strix B450-I Gaming
  • 90MB0Z50-M0EAY0
Release Date
📅 May 2020
Release Date
📅 November 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★☆☆
(16 reviews)
User reviews
★★★☆☆
(12 reviews)
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Series
ROG
Series
ROG
Socket
LGA1200
Socket
AM4
Form factor
Mini ITX
Form factor
Mini ITX
Chipset
Intel Z490
Chipset
AMD B450
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4333Mhz 4400Mhz 4500Mhz 4600Mhz 4800Mhz
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3400Mhz 3466Mhz 3600Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
ECC RAM Support
Audio Chipset
ROG SupremeFX High Definition Audio CODEC S1220A
Audio Chipset
SupremeFX S1220A High Definition Audio CODEC
Audio Channels
8 Channels
Audio Channels
8 Channels
LAN Chipset
Intel I225-V
LAN Chipset
Intel i211AT
Max LAN Speed
10/100/1000/2500Mbps
Max LAN Speed
10/100/1000Mbps
SLI Support
No
SLI Support
No
CrossFire Support
No
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back I/O Ports
  • 1 x Intel I225-V 2.5Gb Ethernet
  • 1 x DisplayPort
  • 1 x HDMI
  • 4 x USB 3.2 Gen 2 (3 x Type-A+1 x USB Type-C)
  • 2 x USB 3.2 Gen 1 Type-A
  • 2 x USB 2.0 (one port can be switched to USB BIOS FlashBack)
  • 1 x USB BIOS FlashBack Button(s)
  • 1 x ASUS Wi-Fi Module
  • 3 x LED-illuminated audio jacks
Back I/O Ports
-
Wireless LAN
Yes
Wireless LAN
Yes
Wi-Fi Generation
6
Wi-Fi Generation
5
PCI-Express x16 Slots
1
PCI-Express x16 Slots
1
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
0
PCI-Express x1 Slots
0
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
2
M.2 Ports
2
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
RAM Slots
2
RAM Slots
2
Maximum Supported RAM
64 GB
Maximum Supported RAM
32 GB
Onboard USB 2.0
1
Onboard USB 2.0
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2
0
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0

What are the differences between ASUS ROG Strix Z490-I Gaming and ROG Strix B450-I Gaming? Analyze head-to-head all specifications and features to find out the better motherboard.

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to pick the ASUS ROG Strix Z490-I Gaming:

  • 52% cheaper, you can save $278.01.
  • Newer Product, it was released around 18 months later.
  • Newer Wi-Fi protocol.
  • Supports the following RAM types: DDR4 3733MHz, 3866MHz, 4000MHz, 4133MHz, 4266MHz, 4333MHz, 4400MHz, 4500MHz, 4600MHz, 4800MHz
  • +32 GB maximum RAM supported.
  • +1 Onboard USB 3.2 Gen 2.

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Reasons to pick the ASUS ROG Strix B450-I Gaming:

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