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ASRock H270M-ITX/ac vs B450M Steel Legend

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Brand
ASRock
Brand
ASRock
Model
H270M-ITX/ac
Model
  • B450M STEEL LEGEND
  • 90-MXB9Y0-A0UAYZ
Release Date
📅 January 2017
Release Date
📅 February 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(50 reviews)
User reviews
★★★★☆
(40 reviews)
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Series
Series
-
Socket
LGA1151
Socket
AM4
Form factor
Mini ITX
Form factor
Micro ATX
Chipset
Intel H270
Chipset
AMD B450
Supported Memory
DDR4
2133Mhz 2400Mhz
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz
* 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
Realtek ALC892
Audio Chipset
Realtek ALC892
Audio Channels
7.1 Channels
Audio Channels
7.1 Channels
LAN Chipset
Intel I219-V
LAN Chipset
Realtek RTL8111H
Max LAN Speed
Dual 10/100/1000Mbps
Max LAN Speed
10/100/1000Mbps
SLI Support
No
SLI Support
No
CrossFire Support
No
CrossFire Support
Yes
RAID Support
Yes
RAID Support
Yes
Back I/O Ports
-
Back I/O Ports
  • 1 x PS/2 Mouse/Keyboard Port
  • 1 x HDMI Port
  • 1 x DisplayPort 1.2
  • 1 x Optical SPDIF Out Port
  • 2 x USB 2.0 Ports (Supports ESD Protection)
  • 1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
  • 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
  • 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
  • 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  • HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Wireless LAN
Yes
Wireless LAN
No
Wi-Fi Generation
5
Wi-Fi Generation
-
PCI-Express x16 Slots
1
PCI-Express x16 Slots
2
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
0
PCI-Express x1 Slots
1
SATA 6 Gbps Ports
6
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
1
M.2 Ports
2
M.2 Devices support
  • 2230 / 2242 / 2260 / 2280 - M Key
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
RAM Slots
2
RAM Slots
4
Maximum Supported RAM
32 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
1
Onboard USB 2.0
2
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
0
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 ASRock H270M-ITX/ac and B450M Steel Legend? 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 ASRock H270M-ITX/ac:

  • If you are building a mini ITX PC.
  • Wireless LAN Integrated.
  • +2 Ports SATA 6Gb/s.

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Reasons to pick the ASRock B450M Steel Legend:

  • Newer Product, it was released around 2 years later.
  • Supports AMD CrossFire.
  • Supports the following RAM types: DDR4 2666MHz, 2933MHz, 3200MHz
  • +1 Slots PCI-E x16.
  • +1 Slots PCI-E x1.
  • +1 Ports M.2.
  • +2 RAM slots.
  • +96 GB maximum RAM supported.
  • +1 Onboard USB 2.0.

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