ASRock B650 PRO RS Motherboard Review

Today we’ll be taking a look at the ASRock B650 PRO RS Motherboard. This motherboard uses AMD’s mainstream B650 chipset supporting all of AMD’s latest Ryzen 7000 series of processors on the AM5 socket. The B650 is targeted at the mainstream market and only offers a total 36 usable PCIE lanes. It does not support PCIE 5 slot for next-graphics cards, but it does offer support for some CPU overclocking and AMD’s EXPO for memory profiles.

The ASRock B650 PRO RS features a 14+2+1 Power phase design with SPS for stability. It supports DDR5 ram with speeds of up to DDR5-6200 OC, and comes with comes 1 x PCIe 4.0 x16 steel slot for your graphics card, 1 x PCIe 3.0 x16 slot, and 1 x PCIe 4.0 x1 slot.

For storage, it comes 1 x Blazing M.2 PCIE Gen5x4 slot, 1 x Hyper M.2 PCIE Gen4x4, 1 x M.2 PCIe Gen3x2, and 4 SATA ports for your SSDs. And for connectivity, it features with the Dragon 2.5 Gigabit LAN and an optional module for WiFi, using the M.2 Key-E slot.

And finally, this motherboard comes with the usual ASRock features including the 8-layer PCB, HDMI output, DisplayPort, Realtek 7.1 HD Codec, Nahimic Audio, and of course ASRock’s Polychrome RGB.



The B650 chipset is one of four chipsets offered by AMD in their 600-series, and it’s targeted at the mainstream market. It supports all the latest Ryzen 7000 series of processors on the new AM5 socket (LGA1718), but only provides a total of only 36 usable PCIE lanes. However, have said that, it does supports some CPU overclocking and AMD’s EXPO for optimized memory profiles, as well as DDR5 memory, PCIE Gen5x4 for M.2 SSDs, but sadly no PCIE 5 slot for GPUs. Let’s take a closer look below …

AMD B650 Chipset

An AMD B650 motherboard is your foundation for must-have gaming performance. Usher in the new age of DDR5 memory, AMD EXPO™ technology, and optional PCIe® 5.0 support for an NVMe drive with an AMD B650 motherboard.

The B650 chipset offers a total of only 36 usable PCIE lanes, and only support PCIE 4.0 slot for graphics card (no PCIE 5.0). It can support up to 4 SATA ports 6Gbps and 6 x SUPERSPEED USB 10Gbps and up to 1 x SUPERSPEED USB 20Gbps.


“Modern and futuristic, with the attractive specifications and perfect balance, the Race Sport (RS) Edition is the evolution of the most popular PRO series motherboard. Its unique path takes aim at mainstream DIYers that drives an undeniable performance and trustable computing experience without a pricey upgrade. RaceSport edition, your all-rounder motherboard that fulfills every task and light-loading gaming – with style and speed!”



I would like to thank ASRock for providing the review sample. This is a snippet from what ASRock has to say about themselves on their website:

ASRock Inc. is established in 2002, specialized in the field of motherboards. ASRock strives to build up its own brand. With the 3C design concept, “Creativity, Consideration, Cost-effectiveness”, the company explores the limit of motherboards manufacturing while paying attention on the eco issue at the same time, developing products with the consideration of eco-friendly concept.

ASRock has been growing fast and become world third largest motherboard brand with headquarter in Taipei, Taiwan and branches in Europe and the USA. The young and vibrant company targets from mainstream to enthusiast MB segments for different kinds of users, owning reputation around the world market with its reliability and proficiency.

Over the past few months, we’ve reviewed several flagship AM5 motherboard from ASRock, the X670E Taichi, and the B650E Taichi. Both motherboards offered amazing enthusiast features with excellent performance to match. Will the B650 PRO RS offer the same? Let’s find out …

We’ll be testing the ASRock B650 PRO RS Motherboard with an AMD Ryzen 9 7900X (AM5) processor at default speed, along with 32GB of Kingston FURY Beast RGB DDR5-6000, Adata Legend 840 PCIE Gen4 SSD, and an EVGA GeForce RTX 3090 graphics card.

OK, let’s begin by taking a look at the specifications and features in our next page.

You can buy the ASRock B650 PRO RS motherboard for around USD $233 from Amazon –


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