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White ATX motherboard with black heatsinks and Ryzen 5 5600 CPU in socket

ASUS

ASUS ROG STRIX B550-A GAMING with Ryzen 5 5600 AMD motherboard CPU combo

SKU CH-9A5M-X0GN6

ATX board with B550 chipset plus a 6-core 3.5 GHz Ryzen 5 5600, four DDR4 slots up to 128 GB, one PCIe 4.0 x16, one PCIe 3.0 x16, three PCIe 3.0 x1, six SATA 6Gb/s and two M.2 sockets

  • CPU TypeRyzen 5000 Series
  • ChipsetAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 5100(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4133(OC) /
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • 6-core Ryzen 5 5600 at 3.5 GHz for responsive multitasking
  • B550 chipset enables PCIe 4.0 x16 graphics bandwidth
  • Four DDR4 slots support up to 128 GB at 5100 MT/s OC
  • Three M.2 sockets (2242/2260/2280/22110) for fast storage expansion
  • ROG SupremeFX S1220A codec delivers 8-channel high-definition audio

ROG STRIX B550-A GAMING with Ryzen 5 5600

This combo pairs an ASUS ROG STRIX B550-A GAMING motherboard with an AMD Ryzen 5 5600 processor. The board uses the AMD B550 chipset and the CPU is a 6-core, 12-thread Vermeer part with a 65 W TDP. It targets builders who want a ready-matched platform for gaming or general work without selecting parts separately.

Who this suits and who should look elsewhere

The bundle suits anyone moving to Socket AM4 with a modern Zen 3 CPU and DDR4 memory. Builders needing integrated graphics must choose a different processor because the 5600 lacks an iGPU. Users requiring PCI Express 4.0 on the second x16 slot or more than three M.2 sockets should consider other chipsets.

Deciding specification — memory support

The motherboard runs DDR4 up to 5100 MT/s when overclocked with Ryzen 5000 series CPUs and supports a maximum of 128 GB across four slots in dual-channel mode. If your kit is rated above 3200 MT/s you must enable the appropriate profile in the BIOS to reach that speed.

Highlights

  • 6-core Ryzen 5 5600 at 3.5 GHz for responsive multitasking
  • B550 chipset enables PCIe 4.0 x16 graphics bandwidth
  • Four DDR4 slots support up to 128 GB at 5100 MT/s OC
  • Three M.2 sockets (2242/2260/2280/22110) for fast storage expansion
  • ROG SupremeFX S1220A codec delivers 8-channel high-definition audio

Specifications

BrandASUS
SeriesROG
ModelSTRIX B550-A GAMING
CPU TypeRyzen 5000 Series
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 5100(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 4000 G-Series Processors)
DDR4 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133
Maximum Memory Supported128GB
Channel SupportedDual Channel
ECC SupportedECC Memory (ECC mode) support varies by CPU.
Buffer SupportedUn-buffered
PCI Express 4.0 x161 x PCI Express 4.0 x16*
* Actual support may vary by CPU.
PCI Express 3.0 x161 x PCIe 3.0 x16*
* Supports x4 mode.
* PCIEX16_2 shares bandwidth with PCIE x1_1, PCIE x1_2, and PCIE x1_3.
PCI Express x13 x PCIe 3.0 x1
Serial ATA (SATA)6 x SATA 6Gb/s
M.23rd Gen AMD Ryzen Processors:
1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)
AMD B550 Chipset:
1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)*
* When the M.2_2 Socket 3 is populated, SATA6G_5/6 ports will be disabled.
SATA RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic
Audio ChipsetROG SupremeFX High Definition Audio CODEC S1220A
Audio Channels8 Channels*
* Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.
LAN ChipsetIntel I225-V
Max LAN Speed2.5Gbps
Back I/O Ports1 x Intel I225-V 2.5Gb Ethernet
1 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
4 x USB 3.2 Gen 1
2 x USB 2.0
1 x Optical S/PDIF out
1 x BIOS FlashBack Button(s)
5 x Gold-plated audio jacks
Onboard USB1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
3 x Chassis Fan connector(s)
1 x AIO_PUMP connector
1 x AAFP connector
2 x Aura RGB Strip Header(s)
1 x Addressable Gen 2 header(s)
1 x Thunderbolt header(s)
1 x System panel(s)
1 x Thermal sensor connector(s)
1 x Clear CMOS jumper(s)
Form FactorATX
LED LightingRGB
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)
1 x 4-pin ATX 12V Power connector(s)
Windows 11Supported
FeaturesMulti-GPU Support:
Supports AMD 2-Way CrossFireX Technology
Software Features:
ROG Exclusive Software
- RAMCache III
- ROG CPU-Z
- GameFirst VI
- Sonic Studio III + Sonic Studio Virtual Mixer
- Sonic Radar III
- DTS Sound Unbound
- Overwolf
- Anti-virus software
ASUS Exclusive Software Features
Armoury Crate
- Aura Creator
- Aura Sync
- AI Noise Cancelling Microphone
AI Suite 3:
- PPSU
EPU
DIGI+ VRM
Fan Xpert 4
TurboV EVO
- EZ update
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
ASUS Special Features:
Aura Sync
- Standard RGB header(s
Package ContentsAccessories:
User's manual
4 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x ROG Strix stickers
1 x Cable ties pack(s)
1 x Extension cable for Addressable LED
1 x ROG Thank you card
1 x M.2 SSD screw package(s)
1 x M.2 Rubber Package(s)

Questions about this item

How can I confirm the Ryzen 5 5600 is running at its 3.5 GHz base clock after assembly?

Enter the UEFI BIOS or use a hardware monitoring tool in Windows 11 to verify the CPU reports a 3.5 GHz base frequency and 65 W TDP under load.

Which components are included in the combo and what must I purchase separately to complete the build?

The combo supplies the ROG STRIX B550-A GAMING motherboard and Ryzen 5 5600 processor only; you must add DDR4 memory, a graphics card, storage drives, a CPU cooler, a power supply and a case.

Which memory speed should I select from the supported DDR4 list for the best balance of performance and stability?

Choose a 3200 MT/s DDR4 kit; it is the highest JEDEC speed listed for Ryzen 5000 series CPUs and runs without manual overclocking.

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