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Brand
ASRock
Brand
Gigabyte
Model
B450M PRO4
90-MXB8F0-A0UAYZ
Model
B550M DS3H
Release Date
📅 August 2018
Release Date
📅 June 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(13 reviews)
User reviews
★★★★☆
(78 reviews)
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Compatible PC parts
Socket
AM4
Socket
AM4
Form factor
Micro ATX
Form factor
Micro ATX
Chipset
AMD B450
Chipset
AMD B550
Supported Memory
DDR4
2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
Supported Memory
DDR4
2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4600Mhz
* 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
No
ECC RAM Support
Yes
* ECC memory support also depends on the CPU memory controller
Audio Chipset
Realtek ALC892
Audio Chipset
Realtek ALC887
Audio Channels
7.1 Channels
Audio Channels
2/4/5.1/7.1-channel
LAN Chipset
Realtek RTL8111H
LAN Chipset
Realtek GbE LAN chip
Max LAN Speed
10/100/1000Mbps
Max LAN Speed
10/100/1000Mbps
SLI Support
No
SLI Support
No
CrossFire Support
Yes
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back Connect
No
Back Connect
No
Back I/O Ports
1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x DVI-D Port
1 x HDMI Port
2 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Line in / Front Speaker / Microphone
Back I/O Ports
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x HDMI port
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
3 x audio jacks
Wireless LAN
No
Wireless LAN
No
PCI-Express x16 Slots
2
PCI-Express x16 Slots
2
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
1
PCI-Express x1 Slots
1
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 / 22110 - M Key
2242 / 2260 / 2280 - M Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
64 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
2
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
0
Onboard USB 3.2 Gen 2
0
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
