Learn more about ASUS PRIME B550-PLUS AC-HESModelBrandASUSModelPRIME B550-PLUS AC-HESPart NumberPRIME B550-PLUS AC-HESSupported CPUCPU Socket TypeAM4CPU TypeRyzen 3000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G SeriesChipsetsChipsetAMD B550MemoryNumber of Memory Slots4x288pin (DDR4)Memory StandardDDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133Maximum Memory Supported128GBChannel SupportedDual ChannelECC SupportedYesBuffer SupportedUn-bufferedExpansion SlotsPCI Express 4.0 x16AMD Ryzen 5000 Series / 3000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
AMD Ryzen 5000 G-Series / 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)PCI Express 3.0 x16AMD B550 Chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)*
3 x PCIe 3.0 x16 slots (support x1 mode)*
*PCIE 3.0 X16_4 will run x1 mode when any of the PCIE 3.0 x16_2/3/5 slots is occupied.
**Support PCIe bifurcation for RAID on CPU function.Storage DevicesSATA 6Gb/s6 x SATA 6Gb/sM.2AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)*M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.SATA RAID0/1/10Onboard AudioAudio ChannelsRealtek ALC897/887 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Rear optical S/PDIF out port
- Premium Japanese audio capacitors
- Dedicated audio PCB layers
- Unique de-pop circuitOnboard LANMax LAN Speed1GbpsWireless LANWi-Fi 802.11 acBluetoothBluetooth 5.0Rear Panel PortsBack I/O Ports2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
2 x USB 3.2 Gen 1 ports (2 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x ASUS Wi-Fi Module
1 x Realtek 1Gb Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out portInternal I/O ConnectorsOnboard USB1 x USB 3.2 Gen 1 connector (supports USB Type-C)
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 portsOther ConnectorsFan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin AIO Pump header
2 x 4-pin Chassis Fan headersStorage related
2 x M.2 slots (Key M)
6 x SATA 6Gb/s portsMiscellaneous
2 x AURA Addressable Gen 2 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 with Chassis intrude function
1 x Thermal Sensor headerPhysical SpecForm FactorATXDimensions (W x L)12.0" x 9.6"Power Pin1 x 24-pin Main Power connector
1 x 8-pin +12V Power connectorWindows 11 CompatibilityWindows 11SupportedFeaturesFeaturesASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage Protection
- SafeSlot Core
- Stainless-Steel Back I/O
ASUS Q-Design
- Q-DIMM
- Q-Slot
ASUS Thermal Solution
- VRM heatsink design
AURA Sync
- Addressable Gen 2 RGB headers
ASUS Exclusive Software
Armoury Crate
- AURA Creator
- AURA Sync
AI Suite 3
- Performance and Power Saving Utility
TurboV EVO
EPU
DIGI+ VRM
Fan Xpert 2+
- EZ update
ASUS CPU-Z
AI Charger
DAEMON Tools
Norton Anti-virus software (Free Trial version)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ ModePackagingPackage ContentsCables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x M.2 SSD screw package
Installation Media
1 x Support DVD
Documentation
1 x User manualShippingEnjoy fast and reliable shipping when you buy your products from Newegg. Our ordering and shipping services are among the best in the industry due to short processing times and a variety of shipping methods. Your orders are packaged at one of the many local warehouses across the country, minimizing delivery times and ensuring you get your purchases as soon as possible.PaymentsNewegg has partnered with PayPal to offer you the very best in payment services. PayPal allows you to buy with confidence, knowing your payments are processed quickly and securely with state-of-the-art encryption technology.ReturnReturns are subject to restocking fees of 15% - 30% of the purchase price and return shipping fees. For products that are eligible for return for replacement, the return shipping labels are free for returns for replacement of the same item within the applicable return policy period. Newegg does NOT charge for restocking fees or return shipping labels for returns of defective products, or if you received the wrong product, the product did not match what was shown on the Site, or we made some other shipping error, provided the item is returned within its return policy period, and in accordance with the Return Policy.