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PRIME B550M Series

AMD Chipset

Motherboards
Motherboards

CPU AM4 Chipset AMD B550
DDR4 4866(OC) PCIe 4.0/3.0 x16 1
LAN Realtek Gb LAN Audio 7.1-CH Audio
PRIME B550M-A (WI-FI) PRIME B550M-A AC
PRIME B550M-A (WI-FI)
PRIME B550M-A AC
SPECIFICATIONS PRIME B550M-K PRIME B550M-K

Graphics Cards & PSUS
Graphics Cards & PSUS
CPU • AMD Socket AM4 for AMD Ryzen™ 5000 Series/ - Overvoltage Protection
5000 G-Series/ 4000 G-Series/ 3000 Series - SafeSlot Core
Desktop Processors* - Stainless-Steel Back I/O
* Refer to www.asus.com for CPU support list. • ASUS Q-Design
Chipset • AMD B550 Chipset - Q-DIMM
Memory • 4 x DIMM, Max. 128GB, DDR4 4866(OC)/4800(OC)/ - Q-Slot
4600(OC)/4466(OC)/4400(OC)/4333(OC)/ • ASUS Thermal Solution
4266(OC)/4200(OC)/4133(OC)/4000(OC)/ - VRM heatsink design
3866(OC)/3733(OC)/3600(OC)/3466(OC)/ - Aluminum heatsink design
3400(OC)/3333(OC)/3200/3000/2933/2800/ • AURA Sync
2666/2400/2133 MHz Un-buffered Memory * - RGB headers
Display
Display
• Dual Channel Memory Architecture - Addressable Gen 2 RGB header
* ECC memory (ECC mode) support varies by CPU. Back Panel I/O Ports • 2 x USB 3.2 Gen 2 ports (2 x Type-A)
* Refer to www.asus.com for the Memory QVL • 4 x USB 3.2 Gen 1 ports (4 x Type-A)
(Qualified Vendors Lists), and memory • 1 x D-Sub port
frequency support depends on the CPU types. • 1 x DVI-D port
Expansion Slots • AMD Ryzen™ 5000 Series/ 3000 Series • 1 x HDMI™ port
Desktop Processors • 1 x ASUS Wi-Fi Module
-1 x PCIe 4.0 x16 slot (supports x16 mode) • 1 x Realtek RTL8111H 1Gb Ethernet port
• AMD Ryzen™ 5000 G-Series/ 4000 G-Series/ • 3 x Audio jacks
Desktop Processors • 1 x PS/2 Keyboard/Mouse combo port
-1 x PCIe 3.0 x16 slot (supports x16 mode) Internal I/O Connectors • Fan and cooling related
• AMD B550 Chipset -1 x 4-pin CPU Fan header
-2 x PCIe 3.0 x1 slots -1 x 4-pin CPU OPT Fan header
Networks
Networks
Graphics • 1 x D-Sub -2 x 4-pin Chassis Fan headers
• 1 x DVI-D • Power related
• 1 x HDMI™ 2.1(4K@60HZ) -1 x 24-pin Main Power connector
*Graphics specifications may vary between -1 x 8-pin +12V Power connector
CPU types. • Storage related
Storage • Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports -2 x M.2 slots (Key M)
AMD Ryzen™ 5000 Series/ 3000 Series Desktop -4 x SATA 6Gb/s ports
Processors • USB
- M.2_1 slot (Key M), type 2242/2260/2280/22110 -1 x USB 3.2 Gen 1 header supports
(supports PCIe 4.0 x4 & SATA modes) additional 2 USB 3.2 Gen 1 ports
• AMD Ryzen™ 5000 G-Series/ 4000 G-Series/ -2 x USB 2.0 headers support additional
Desktop Processors 4 USB 2.0 ports
- M.2_1 slot (Key M), type 2242/2260/2280/22110 • Miscellaneous
(supports PCIe 3.0 x4 & SATA modes) -1 x AURA Addressable Gen 2 header
• AMD B550 Chipset -2 x AURA RGB headers
- M.2_2 slot (Key M), type 2242/2260/2280 -1 x Clear CMOS header
(supports PCIe 3.0 x4 & SATA modes) -1 x COM Port header
ODD & Storage
ODD & Storage
- 4 x SATA 6Gb/s ports -1 x Front Panel Audio header (AAFP)
- Support Raid 0, 1, 10 -1 x S/PDIF Out header
Ethernet • 1 x Realtek 1Gb Ethernet -1 x Speaker header
Wireless & Bluetooth • Intel® Wi-Fi 6 AX200 -1 x SPI TPM header (14-1pin)
• 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support -1 x 10-1 pin System Panel header
1024QAM/OFDMA/MU-MIMO Software Features <ASUS Exclusive Software>
• Supports up to 2.4Gbps max data rate • Armoury Crate
• Support 2.4/5GHz Dual-Band - Aura Creator
• Supports channel bandwidth: HT20/HT40/ - Aura Sync
HT80/HT160 • AI Suite 3
• Supports PCIe interface - Performance And Power Saving Utility
• Bluetooth v5.1 TurboV EVO , EPU , Digi+ VRM , Fan Xpert 2+
• Realtek Wi-Fi 5 8821CE - EZ update
• 1x1 Wi-Fi 5 (802.11 a/b/g/n/ac) with MU-MIMO - Lighting Control
• Supports dual frequency band 2.4/5GHz • ASUS CPU-Z
• Supports channel bandwidth: HT20/HT40/HT80 • AI Charger
• Bluetooth v5.0 • DAEMON Tools
Audio • Realtek ALC897/887 7.1 Surround Sound High • Norton Anti-virus software (Free Trial version)
Definition Audio CODEC* • WinRAR
Server & Workstation
Server & Workstation
- Supports: Jack-detection, Multi-streaming, <UEFI BIOS>
Front Panel Jack-retasking • ASUS EZ DIY
- Supports up to 24-Bit/192 kHz playback - ASUS CrashFree BIOS 3
• Audio Features - ASUS EZ Flash 3
- Audio Shielding - ASUS UEFI BIOS EZ Mode
- LED-illuminated audio trace path design BIOS • 256 Mb Flash ROM, UEFI AMI BIOS
- Premium Japanese audio capacitors Manageability • WOL by PME, PXE
- Dedicated audio PCB layers Accessories • Cables
*A chassis with an HD audio module in the - 2 x SATA 6Gb/s cables
front panel is required to support 7.1 • Miscellaneous
Surround Sound audio output. - 1 x ASUS Wi-Fi moving antennas
USB • Rear USB (Total 6 ports) - 1 x I/O Shield
- 2 x USB 3.2 Gen 2 ports (2 x Type-A) - 1 x M.2 SSD screw package
- 4 x USB 3.2 Gen 1 ports (4 x Type-A) • Installation Media
Mini / Stick PC
Mini / Stick PC
• Front USB (Total 6 ports) -1 x Support DVD
- 1 x USB 3.2 Gen 1 header supports • Documentation
additional 2 USB 3.2 Gen 1 ports -1 x User manual
- 2 x USB 2.0 headers support additional 4 Operating System • Windows 10 - 64 bit
USB 2.0 ports Form Factor • mATX Form Factor 9.6 inch x 9.6 inch
Special Features • ASUS 5X PROTECTION III ( 24.4 cm x 24.4 cm )
- DIGI+ VRM
- LANGuard Note: The specifications are subject to changes without notice.
*Product specifications are subject to change without notice, although every effort is made to ensure that they are correct up to the point of launch.
Please contact your suppliers or local dealers for exact product launch schedules, specifications and availability.
Peripherals
Peripherals
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