ASRock B650 Pro RS ATX Motherboard
MPN B650-PRO-RS · Brand ASROCK · ATX
The ASRock B650 Pro RS is an ATX motherboard for AMD AM5 processors (Ryzen 7000/8000/9000 series) featuring DDR5 support up to 7200+ MHz, PCIe Gen5 M.2 storage, 2.5G LAN, and a robust 14+2+1 phase power design
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Overview
The ASRock B650 Pro RS is a full-size ATX motherboard built on AMD's B650 chipset for the AM5 platform, offering compatibility with AMD Ryzen 9000, 8000, and 7000 series processors. Designed for builders who want a capable, feature-rich foundation without stepping up to X670, it delivers a well-rounded mix of storage, connectivity, and expansion headroom. At the heart of the board's power delivery sits a 14+2+1 phase power design using Smart Power Stages (SPS), which helps maintain stable voltage delivery to demanding Ryzen processors during sustained workloads. Four DDR5 DIMM slots support dual-channel memory in unbuffered configurations, including ECC memory, and are tuned for speeds up to DDR5-7200+ via XMP and EXPO profiles, with a maximum installed capacity of 128 GB. Storage versatility is a clear strength. The board features one Blazing M.2 slot running at PCIe Gen5 x4 for next-generation NVMe SSDs, one Hyper M.2 slot at PCIe Gen4 x4, and a third M.2 slot at PCIe Gen4 x2, alongside four SATA3 ports for traditional drives. A dedicated M.2 Key-E socket accommodates optional WiFi and Bluetooth expansion cards. Expansion slots include one PCIe 4.0 x16 slot (from the CPU, running at x16 mode) and one PCIe 3.0 x16 slot (chipset, running at x4 mode), supplemented by a PCIe 4.0 x1 slot. AMD CrossFire multi-GPU configurations are supported, and the primary x16 slot features 15-micron gold contacts for long-term reliability. Connectivity is broad. The rear I/O panel provides a USB 3.2 Gen2 Type-A port (10 Gb/s), a USB 3.2 Gen2 Type-C port (10 Gb/s), two USB 3.2 Gen1 ports, and six USB 2.0 ports. A front-panel USB 3.2 Gen2x2 Type-C header (20 Gb/s) is included for compatible cases. Networking is handled by a Realtek 2.5G LAN controller. Display outputs consist of one HDMI and one DisplayPort 1.4 for systems using an AMD processor with integrated graphics. Audio is managed by a Realtek ALC897 codec with 7.1-channel HD output and Nahimic Audio software support. System builders and enthusiasts will appreciate the BIOS Flashback button on the rear panel, a 5-pin Thunderbolt AIC connector (supporting ASRock Thunderbolt 4 AIC cards), one RGB LED header, three Addressable LED headers, and Smart Fan Speed Control on all six fan/pump headers. Verified Specifications: - Socket: AM5 | Chipset: AMD B650 | Form Factor: ATX - CPU Support: AMD Ryzen 9000, 8000, 7000 series - Memory: 4x DDR5 DIMM, dual-channel, up to 128 GB, up to DDR5-7200+(OC), XMP/EXPO - Storage: 1x M.2 PCIe Gen5 x4, 1x M.2 PCIe Gen4 x4, 1x M.2 PCIe Gen4 x2, 4x SATA3 - PCIe: 1x PCIe 4.0 x16 (CPU), 1x PCIe 3.0 x16 (chipset, x4 mode), 1x PCIe 4.0 x1 - Audio: Realtek ALC897, 7.1 CH HD, Nahimic Audio - LAN: Realtek 2.5G - Display: 1x HDMI, 1x DisplayPort 1.4 - VRM: 14+2+1 phase, SPS - Warranty: 3 Years
Datasheet
| Memory Type | DDR5 |
|---|---|
| Warranty | 3 Years |
| Form Factor | ATX |
| Chipset | B650 |
| Socket | AM5 |
| CPU Type | Ryzen 9000,Ryzen 8000,Ryzen 7000 |
| Max Memory | 128 GB |
| Memory Speed | up to 7200+ |
| Platform | AMD |
| Graphics Port | 1 x HDMI,1 x DisplayPort |
| Memory Feature | ECC/non-ECC, un-buffered memory Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules |
| Expansion Slots | CPU: – 1 x PCIe 4.0 x16 Slot (PCIE1), supports x16 mode – 1 x PCIe 3.0 x16 Slot (PCIE3), supports x4 mode Chipset: – 1 x PCIe 4.0 x1 Slot (PCIE2) – 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module – Supports AMD CrossFire™ – 15μ Gold Contact in VGA PCIe Slot (PCIE1) |
| Channel Supported | Dual Channel |
| Back Panel I/O Ports | – 2 x Antenna Mounting Points – 1 x HDMI Port – 1 x DisplayPort 1.4 – 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (ReDriver) – 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (ReDriver) – 2 x USB 3.2 Gen1 Ports – 6 x USB 2.0 Ports – 1 x RJ-45 LAN Port – 1 x BIOS Flashback Button – HD Audio Jacks: Line in / Front Speaker / Microphone |
| Internal I/O Connector | – 1 x SPI TPM Header – 1 x Power LED and Speaker Header – 1 x RGB LED Header – 3 x Addressable LED Headers – 1 x CPU Fan Connector (4-pin) – 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) – 4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control) – 1 x 24 pin ATX Power Connector – 1 x 8 pin 12V Power Connector – 1 x 4 pin 12V Power Connector – 1 x Front Panel Audio Connector – 1 x Thunderbolt™ AIC Connector (5-pin) (Supports ASRock Thunderbolt™ 4 AIC Card) – 2 x USB 2.0 Headers (Support 3 USB 2.0 ports) – 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) – 1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s) (ReDriver) |




