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White ATX motherboard with silver heatsinks and black PCB, plus boxed Ryzen 5 5500 CPU

ASUS

ASUS ROG STRIX B550-A GAMING AM4 AMD Motherboard with Ryzen 5 5500 Combo

SKU CH-Z8E5-S50MY

ATX B550 board with four DDR4 slots up to 128GB, PCIe 4.0 x16, three M.2 sockets, six SATA ports and SupremeFX audio, bundled with a 65W six-core Ryzen 5 5500 CPU

  • CPU Socket TypeAM4
  • 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
  • Ready for high-speed DDR4 up to 5100 MT/s overclocked
  • Six-core Ryzen 5500 processor included for immediate performance
  • Dual PCIe 4.0 and 3.0 slots for flexible GPU and storage
  • SupremeFX S1220A audio delivers 8-channel high-definition sound
  • Four DIMM slots support up to 128 GB DDR4 memory

Combo foundation

This bundle pairs an ASUS ROG STRIX B550-A GAMING motherboard with an AMD Ryzen 5 5500 six-core processor. The AM4 socket board uses the AMD B550 chipset and supports DDR4 memory up to 5100 MT/s when overclocked. It is suited for builders who want a ready-to-run platform for gaming or productivity without selecting parts separately.

Memory and storage scope

Four 288-pin slots accept up to 128 GB of dual-channel DDR4 across a wide range of validated speeds from 2133 to 5100 MT/s depending on the CPU installed. Three M.2 sockets take 2242, 2260, 2280 and 22110 modules with both SATA and PCIe 4.0 x4 modes available on the primary slot. Six SATA 6Gb/s ports add RAID 0, 1 and 10 support for larger drive arrays.

Connectivity and build

The ATX board provides one PCIe 4.0 x16 slot, one PCIe 3.0 x16 slot running at x4 and three PCIe 3.0 x1 slots for expansion cards. Rear I/O includes 8-channel audio driven by the SupremeFX S1220A codec. Onboard video output works only with processors that have integrated graphics. The 65 W CPU fits standard AM4 coolers and the layout keeps primary expansion clear for graphics cards.

Pontos fortes

  • Ready for high-speed DDR4 up to 5100 MT/s overclocked
  • Six-core Ryzen 5500 processor included for immediate performance
  • Dual PCIe 4.0 and 3.0 slots for flexible GPU and storage
  • SupremeFX S1220A audio delivers 8-channel high-definition sound
  • Four DIMM slots support up to 128 GB DDR4 memory

Especificações

BrandASUS
SeriesROG
ModelSTRIX B550-A GAMING
CPU Socket TypeAM4
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)

Perguntas sobre este artigo

Will the board run a Ryzen 5000 series CPU out of the box?

A BIOS update might be required before the Ryzen 5000 series processor will post, so plan for a supported older CPU or USB BIOS FlashBack if available.

What DDR4 speeds can I use with the included Ryzen 5 5500?

The 5500 officially supports up to 3200 MT/s; the board lists higher OC speeds such as 3600, 3866, 4000, 4133, 4400 and 4600 MT/s, but those require manual tuning.

How many SATA drives and M.2 slots does the combo provide?

Six SATA 6Gb/s ports and two M.2 sockets (one CPU-linked at PCIe 4.0 x4, one chipset-linked) are available for storage.

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