ASUS PRIME B550M-A AC Motherboard

Product status: Official | Last Update: 2020-07-16 | Report Error
Overview
Manufacturer
ASUS
Chipset
AMD B550
Motherboard Series
AMD 500
Form Factor Type
Micro-ATX
Form Factor Size
244x244mm
Socket
AMD AM4
Audio Chipset
Realtek ALC887
Memory Slots
4
Interfaces
PCIe Gen Support
4.0
PCI-Express x16
1
PCI-Express x8
-
PCI-Express x4
-
PCI-Express x1
2
PCI
-
NVME (M.2)
2
Networking
LAN (1Gb)
1
LAN (2.5Gb)
-
LAN (5Gb)
-
LAN (10Gb)
-
WiFi-AX (Wi-Fi 6)
-
WiFi-AC (Wi-Fi 5)
1



  ModelForm FactorPCIe x16PCIe x1NVMe
  Thumbnail
 ASROCK B550 EXTREME4 Standard ATX
 
2
 
2
 
3
  Thumbnail
 ASROCK B550 PHANTOM GAMING 4 Standard ATX
 
3
 
3
 
3
  Thumbnail
 ASROCK B550 PHANTOM GAMING 4/AC Standard ATX
 
3
 
3
 
3
  Thumbnail
 ASROCK B550 PHANTOM GAMING ITX/AX Mini-ITX
 
1
 -
 
2
  Thumbnail
 ASROCK B550 PHANTOM GAMING VELOCITA Standard ATX
 
2
 
2
 
3
  Thumbnail
 ASROCK B550 PRO4 Standard ATX
 
2
 
2
 
2
  Thumbnail
 ASROCK B550 STEEL LEGEND Standard ATX
 
2
 
2
 
3
  Thumbnail
 ASROCK B550 TAICHI Standard ATX
 
3
 
2
 
2
  Thumbnail
 ASROCK B550M-HDV Micro-ATX
 
1
 
1
 
1
  Thumbnail
 ASROCK B550M-ITX/AC Mini-ITX
 
1
 -
 
1
  Thumbnail
 ASROCK B550M PRO4 Micro-ATX
 
2
 
1
 
1
  Thumbnail
 ASROCK B550M PRO4/AC Micro-ATX TBC TBC TBC
  Thumbnail
 ASROCK B550M STEEL LEGEND Micro-ATX
 
2
 
1
 
1
  Thumbnail
 ASUS PRIME B550-PLUS Standard ATX
 
2
 
3
 
2
  Thumbnail
 ASUS PRIME B550M-A Micro-ATX
 
1
 
2
 
2
  Thumbnail
 ASUS PRIME B550M-A AC Micro-ATX
 
1
 
2
 
2
  Thumbnail
 ASUS PRIME B550M-A/CSM Micro-ATX
 
1
 
2
 
2
  Thumbnail
 ASUS PRIME B550M-A (WI-FI) Micro-ATX
 
1
 
1
 
2
  Thumbnail
 ASUS PRIME B550M-A (WI-FI)/CSM Micro-ATX
 
1
 
1
 
2
  Thumbnail
 ASUS PRIME B550M-K Micro-ATX
 
1
 
2
 
2
  Thumbnail
 ASUS PRIME B550M-K/CSM Micro-ATX
 
1
 
2
 
2
  Thumbnail
 ASUS ROG STRIX B550-A Standard ATX
 
2
 
3
 
2
  Thumbnail
 ASUS ROG STRIX B550-E Standard ATX
 
3
 
2
 
2
  Thumbnail
 ASUS ROG STRIX B550-F Standard ATX
 
2
 
3
 
2
  Thumbnail
 ASUS ROG STRIX B550-F (WI-FI) Standard ATX
 
2
 
3
 
2
  Thumbnail
 ASUS ROG STRIX B550-I Mini-ITX
 
1
 -
 
1
  Thumbnail
 ASUS TUF B550-PLUS Micro-ATX
 
2
 
3
 
2
  Thumbnail
 ASUS TUF B550M-PLUS Micro-ATX
 
2
 
1
 
2
  Thumbnail
 ASUS TUF B550M-PLUS (WI-FI) Micro-ATX
 
2
 
1
 
2
  Thumbnail
 BIOSTAR B550MH Micro-ATX
 
1
 
2
 
1
  Thumbnail
 BIOSTAR RACING B550GTA Standard ATX
 
3
 
2
 
2
  Thumbnail
 BIOSTAR RACING B550GTQ Micro-ATX
 
2
 
2
 
2
  Thumbnail
 COLORFUL CVN B550M GAMING Micro-ATX TBC TBC TBC
  Thumbnail
 COLORFUL CVN B550M GAMING FROZEN Micro-ATX TBC TBC TBC
  Thumbnail
 GIGABYTE B550 AORUS ELITE Standard ATX
 
2
 
1
 
2
  Thumbnail
 GIGABYTE B550 AORUS MASTER Standard ATX
 
3
 -
 
3
  Thumbnail
 GIGABYTE B550 AORUS PRO Standard ATX
 
3
 
2
 
2
  Thumbnail
 GIGABYTE B550 AORUS PRO AC Standard ATX
 
3
 
2
 
2
  Thumbnail
 GIGABYTE B550 GAMING X Standard ATX
 
2
 
3
 
2
  Thumbnail
 GIGABYTE B550 VISION D Standard ATX
 
3
 -
 
2
  Thumbnail
 GIGABYTE B550I AORUS PRO AX Mini-ITX
 
1
 -
 
2
  Thumbnail
 GIGABYTE B550M AORUS PRO Standard ATX
 
2
 
1
 
2
  Thumbnail
 GIGABYTE B550M DS3H Micro-ATX
 
2
 
1
 
2
  Thumbnail
 GIGABYTE B550M GAMING Micro-ATX TBC TBC TBC
  Thumbnail
 MAXSUN B550M TERMINATOR Micro-ATX
 
2
 -
 
1
  Thumbnail
 MSI B550-A PRO Standard ATX
 
2
 -
 
2
  Thumbnail
 MSI B550M PRO Micro-ATX TBC TBC TBC
  Thumbnail
 MSI B550M PRO-DASH Micro-ATX TBC TBC TBC
  Thumbnail
 MSI B550M PRO-VDH Micro-ATX TBC TBC TBC
  Thumbnail
 MSI B550M PRO-VDH WIFI Micro-ATX TBC TBC TBC
  Thumbnail
 MSI MAG B550 TOMAHAWK Standard ATX
 
2
 
2
 
2
  Thumbnail
 MSI MAG B550M BAZOOKA Micro-ATX TBC TBC TBC
  Thumbnail
 MSI MAG B550M MORTAR Micro-ATX
 
2
 
2
 
2
  Thumbnail
 MSI MAG B550M MORTAR WIFI Micro-ATX
 
2
 
2
 
2
  Thumbnail
 MSI MEG B550 UNIFI Standard ATX TBC TBC TBC
  Thumbnail
 MSI MPG B550 GAMING CARBON WIFI Standard ATX
 
2
 
2
 
2
  Thumbnail
 MSI MPG B550 GAMING EDGE WIFI Standard ATX
 
2
 
2
 
2
  Thumbnail
 MSI MPG B550 GAMING PLUS Standard ATX
 
2
 
2
 
2
  Thumbnail
 MSI MPG B550I GAMING EDGE WIFI Mini-ITX
 
1
 -
 
1
  Thumbnail
 SOYO B550M Micro-ATX
 
2
 
1
 
1
 ModelForm FactorPCIe x16PCIe x1NVMe
Thumbnail
ASUS PRIME X570-P Standard ATX
 
2
 
3
 
2
Thumbnail
ASUS PRIME X570-P/CSM Standard ATX
 
2
 
3
 
2
Thumbnail
ASUS PRIME X570-PRO Standard ATX
 
3
 
3
 
2
Thumbnail
ASUS PRIME X570-PRO/CSM Standard ATX
 
3
 
3
 
2
Thumbnail
ASUS PRO WS X570-ACE Standard ATX
 
3
 
1
 
2
Thumbnail
ASUS ROG CROSSHAIR VIII X570 FORMULA Standard ATX
 
3
 
1
 
2
Thumbnail
ASUS ROG CROSSHAIR VIII X570 HERO Standard ATX
 
3
 
1
 
2
Thumbnail
ASUS ROG CROSSHAIR VIII X570 HERO (WI-FI) Standard ATX
 
3
 
1
 
2
Thumbnail
ASUS ROG CROSSHAIR VIII X570 IMPACT Mini-ITX
 
1
 -
 
1
Thumbnail
ASUS ROG STRIX X570-E Standard ATX
 
3
 
2
 
2
Thumbnail
ASUS ROG STRIX X570-F Standard ATX
 
3
 
2
 
2
Thumbnail
ASUS ROG STRIX X570-I Mini-ITX
 
1
 -
 
1
Thumbnail
ASUS TUF GAMING X570-PLUS Standard ATX
 
2
 
2
 
2
Thumbnail
ASUS TUF GAMING X570-PLUS (WI-FI) Standard ATX
 
2
 
2
 
2
Thumbnail
ASUS PRIME TRX40-PRO Standard ATX
 
3
 -
 
2
Thumbnail
ASUS PRIME TRX40-PRO S Standard ATX
 
3
 -
 
2
Thumbnail
ASUS ROG STRIX TRX40-E Standard ATX
 
3
 -
 
2
Thumbnail
ASUS ROG STRIX TRX40-XE Standard ATX
 
3
 -
 
2
Thumbnail
ASUS ROG ZENITH II TRX40 EXTREME EATX
 
4
 -
 
2
Thumbnail
ASUS ROG ZENITH II TRX40 EXTREME ALPHA EATX
 
4
 -
 
2
Thumbnail
ASUS PRIME B550-PLUS Standard ATX
 
2
 
3
 
2
Thumbnail
ASUS PRIME B550M-A Micro-ATX
 
1
 
2
 
2
Thumbnail
ASUS PRIME B550M-A (WI-FI) Micro-ATX
 
1
 
1
 
2
Thumbnail
ASUS PRIME B550M-A (WI-FI)/CSM Micro-ATX
 
1
 
1
 
2
Thumbnail
ASUS PRIME B550M-A AC Micro-ATX
 
1
 
2
 
2
Thumbnail
ASUS PRIME B550M-A/CSM Micro-ATX
 
1
 
2
 
2
Thumbnail
ASUS PRIME B550M-K Micro-ATX
 
1
 
2
 
2
Thumbnail
ASUS PRIME B550M-K/CSM Micro-ATX
 
1
 
2
 
2
Thumbnail
ASUS ROG STRIX B550-A Standard ATX
 
2
 
3
 
2
Thumbnail
ASUS ROG STRIX B550-E Standard ATX
 
3
 
2
 
2
Thumbnail
ASUS ROG STRIX B550-F Standard ATX
 
2
 
3
 
2
Thumbnail
ASUS ROG STRIX B550-F (WI-FI) Standard ATX
 
2
 
3
 
2
Thumbnail
ASUS ROG STRIX B550-I Mini-ITX
 
1
 -
 
1
Thumbnail
ASUS TUF B550-PLUS Micro-ATX
 
2
 
3
 
2
Thumbnail
ASUS TUF B550M-PLUS Micro-ATX
 
2
 
1
 
2
Thumbnail
ASUS TUF B550M-PLUS (WI-FI) Micro-ATX
 
2
 
1
 
2
Thumbnail
ASUS PRIME A520M-A Micro-ATX TBC TBC TBC
Thumbnail
ASUS PRIME A520M-E Micro-ATX TBC TBC TBC
Thumbnail
ASUS PRIME A520M-K Micro-ATX TBC TBC TBC
Thumbnail
ASUS TUF A520M-A Micro-ATX TBC TBC TBC
Thumbnail
ASUS TUF A520M-PLUS Micro-ATX TBC TBC TBC

AMD AM4 mATX motherboard with PCIe 4.0, dual M.2, WiFi, HDMI, D-Sub, DVI, SATA 6 Gbps, USB 3.2 Gen 2 ports, Aura Sync RGB lighting
AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors
Comprehensive cooling: VRM heatsink, PCH heatsink, Fan Xpert 2+
Ultrafast connectivity: Dual M.2, PCIe 4.0, 802.11ac Wi-Fi, USB 3.2 Gen 2 Type-A
Aura Sync RGB: Synchronizable LED effects across a vast portfolio of compatible PC gear, including addressable RGB strips



ModelCoresThreadsCPU BaseCPU TurboLaunch PriceTDP
AMD Ryzen 9 3950X
 
16
 
32
 
3.5 GHz
 
4.7 GHz
 
749 USD
 
105 W
AMD Ryzen 9 3900XT
 
12
 
24
 
3.8 GHz
 
4.7 GHz
 
499 USD
 
105 W
AMD Ryzen 9 3900X
 
12
 
24
 
3.8 GHz
 
4.6 GHz
 
499 USD
 
105 W
AMD Ryzen 7 3800XT
 
8
 
16
 
3.9 GHz
 
4.7 GHz
 
399 USD
 
105 W
AMD Ryzen 7 3800X
 
8
 
16
 
3.9 GHz
 
4.5 GHz
 
399 USD
 
105 W
AMD Ryzen 7 3700X
 
8
 
16
 
3.6 GHz
 
4.4 GHz
 
329 USD
 
65 W
AMD Ryzen 7 2700X
 
8
 
16
 
3.7 GHz
 
4.3 GHz
 
369 USD
 
105 W
AMD Ryzen 7 2700
 
8
 
16
 
3.2 GHz
 
4.1 GHz
 
299 USD
 
65 W
AMD Ryzen 7 1800X
 
8
 
16
 
3.6 GHz
 
4.0 GHz
 
499 USD
 
95 W
AMD Ryzen 7 2700E
 
8
 
16
 
2.8 GHz
 
4.0 GHz
-
 
45 W
AMD Ryzen 7 PRO 1700X
 
8
 
16
 
3.4 GHz
 
3.8 GHz
-
 
95 W
AMD Ryzen 7 1700X
 
8
 
16
 
3.4 GHz
 
3.8 GHz
 
399 USD
 
95 W
AMD Ryzen 7 PRO 1700
 
8
 
16
 
3.0 GHz
 
3.7 GHz
-
 
65 W
AMD Ryzen 7 1700
 
8
 
16
 
3.0 GHz
 
3.7 GHz
 
329 USD
 
65 W
AMD Ryzen 5 3600XT
 
6
 
12
 
4.0 GHz
 
4.7 GHz
 
249 USD
 
95 W
AMD Ryzen 5 3600X
 
6
 
12
 
3.8 GHz
 
4.4 GHz
 
249 USD
 
95 W
AMD Ryzen 5 2600X
 
6
 
12
 
3.6 GHz
 
4.3 GHz
 
249 USD
 
95 W
AMD Ryzen 5 3600
 
6
 
12
 
3.6 GHz
 
4.2 GHz
 
199 USD
 
65 W
AMD Ryzen 5 1600X
 
6
 
12
 
3.6 GHz
 
4.0 GHz
 
259 USD
 
95 W
AMD Ryzen 5 2600E
 
6
 
12
 
3.1 GHz
 
4.0 GHz
-
 
45 W
AMD Ryzen 5 2600
 
6
 
12
 
3.4 GHz
 
3.9 GHz
 
199 USD
 
65 W
AMD Ryzen 5 PRO 1500
 
6
 
12
 
3.5 GHz
 
3.7 GHz
-
 
65 W
AMD Ryzen 5 PRO 1600
 
6
 
12
 
3.2 GHz
 
3.6 GHz
-
 
65 W
AMD Ryzen 5 1600 AF
 
6
 
12
 
3.2 GHz
 
3.6 GHz
-
 
65 W
AMD Ryzen 5 1600
 
6
 
12
 
3.2 GHz
 
3.6 GHz
 
219 USD
 
65 W
AMD Ryzen 3 3300X
 
4
 
8
 
3.8 GHz
 
4.3 GHz
 
120 USD
 
65 W
AMD Ryzen 3 3400G
 
4
 
8
 
3.7 GHz
 
4.2 GHz
 
149 USD
 
65 W
AMD Ryzen 5 2500X
 
4
 
8
 
3.6 GHz
 
4.0 GHz
 
199 USD
 
65 W
AMD Ryzen 3 3400GE
 
4
 
8
 
3.3 GHz
 
4.0 GHz
-
 
35 W
AMD Ryzen 5 2400G
 
4
 
8
 
3.6 GHz
 
3.9 GHz
 
169 USD
 
65 W
AMD Ryzen 3 3100
 
4
 
8
 
3.6 GHz
 
3.9 GHz
 
120 USD
 
65 W
AMD Ryzen 5 1500X
 
4
 
8
 
3.5 GHz
 
3.7 GHz
 
189 USD
 
65 W
AMD Ryzen 5 1400
 
4
 
8
 
3.2 GHz
 
3.4 GHz
 
169 USD
 
65 W
AMD Ryzen 5 3500
 
6
 
6
 
3.6 GHz
 
4.1 GHz
-
 
65 W
AMD Ryzen 3 3200G
 
4
 
4
 
3.6 GHz
 
4.2 GHz
 
99 USD
 
65 W
AMD Ryzen 3 2300X
 
4
 
4
 
3.5 GHz
 
4.0 GHz
-
 
65 W
AMD Ryzen 3 3200GE
 
4
 
4
 
3.3 GHz
 
3.8 GHz
-
 
35 W
AMD Ryzen 5 1300X
 
4
 
4
 
3.5 GHz
 
3.7 GHz
 
129 USD
 
65 W
AMD Ryzen 3 PRO 1300
 
4
 
4
 
3.5 GHz
 
3.7 GHz
-
 
65 W
AMD Ryzen 3 2200G
 
4
 
4
 
3.5 GHz
 
3.7 GHz
-
 
65 W
AMD Ryzen 3 PRO 1200
 
4
 
4
 
3.1 GHz
 
3.4 GHz
-
 
65 W
AMD Ryzen 3 1200
 
4
 
4
 
3.1 GHz
 
3.4 GHz
 
109 USD
 
65 W