B550 Chipset | AMD – Build Redux
B550 Chipset | AMD

B550 Chipset | AMD

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Chipsets
Chipset  AMD B550
Memory
Number of Memory Slots 4×288pin
Memory Standard DDR4 4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz ECC and non-ECC, Un-buffered Memory *
Next Generation AMD Ryzen PRO Processors
DDR4 4800(O.C.)/ 4600(O.C)/ 4466(O.C.)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz ECC and non-ECC, Un-buffered Memory
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported 128GB
Channel Supported  Dual Channel
Expansion Slots
PCI Express 4.0 x16 3rd Gen AMD Ryzen Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
PCI Express 3.0 x16  AMD B550 Chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)*
* PCIE 3.0 X16_2 runs x2 mode when PCIEX1_2 or PCIEX1_3 slots is populated.
PCI Express x1 3 x PCIe 3.0 x1 slot**
** PCIE 3.0 X16_2 runs x2 mode when PCIEX1_2 or PCIEX1_3 slots is populated.
Storage Devices
SATA 6Gb/s  6 x SATA 6Gb/s
M.2 3rd Gen AMD Ryzen Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
* M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset  Supported only by CPU with integrated graphic:
1 x DisplayPort 1.2
1 x HDMI 2.1 (4K@60HZ)
* Graphics specifications may vary between CPU types.
Onboard Audio
Audio Chipset  Realtek ALC887
Audio Channels  7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports
Back I/O Ports 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Realtek 8111H Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out port
Internal I/O Connectors
Onboard USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Other Connectors Fan and cooling related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x AIO Pump Header
3 x 4-pin Chassis Fan headers
Miscellaneous
1 x AURA Addressable Gen 2 header
2 x AURA RGB headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x SPI TPM header (14-1pin)
1 x 20-3 pin System Panel header
1 x T-Sensor header
1 x Thunderbolt Header