Buying Guide
The Best Budget AM5 Motherboards
Six low-cost AM5 boards compared on M.2 slots, Wi-Fi, wired LAN and power stages, to find where cheaper boards cut corners and where they do not.
By The PC Journal editorial team
12 min read6 products evaluated
A budget AM5 board runs the same Ryzen chips as a flagship. What drops is the number of M.2 slots, network speed and power stage count.
We compared six boards priced toward the bottom of the AM5 range. This is a research-based comparison built from maker specifications and retailer listings; we did not test these parts ourselves.
Quick Picks
Our 6 recommendations at a glance. Tap a pick for the full verdict.
Best Budget B850
MSI PRO B850-P WiFi
Wi-Fi 7 and 5Gbps LAN on an entry B850 board.
Best for: Budget builds that want current networking.
Our take Check price for MSI PRO B850-P WiFi (opens in a new tab)
Lowest Price
ASRock B650M PG Lightning WiFi
The lowest snapshot price here, with Wi-Fi 6E and BIOS Flashback.
Best for: The tightest budgets.
Our take Check price for ASRock B650M PG Lightning WiFi (opens in a new tab)
Best for Wired Desks
ASRock B850 Pro-A
A 14+2+1 layout and 2.5Gbps LAN with no Wi-Fi to pay for.
Best for: Desks with a network cable.
Our take Check price for ASRock B850 Pro-A (opens in a new tab)
Solid Alternative
MSI B650 Gaming Plus WiFi
The B650 Gaming Plus WiFi is a plain, low-cost ATX board with a 12+2+1 layout, Wi-Fi 6E and 2.5Gbps LAN.
Best for: Buyers who want bluetooth 5.3 alongside wi-fi 6e.
Our take Check price for MSI B650 Gaming Plus WiFi (opens in a new tab)
Worth Considering
ASRock B850M Pro RS WiFi
The B850M Pro RS WiFi is a Micro-ATX board with three M.2 slots, one of them PCIe 5.0, and BIOS Flashback.
Best for: Buyers who want pcie 5.0 m.2 slot.
Our take Check price for ASRock B850M Pro RS WiFi (opens in a new tab)
Well-Rounded Choice
MSI PRO B650-S WiFi V1
The PRO B650-S WiFi is a simple ATX board with two Gen4 M.2 slots, Wi-Fi 6E and 2.5Gbps LAN.
Best for: Buyers who want two pcie 4.0 x16-size slots.
Our take Check price for MSI PRO B650-S WiFi V1 (opens in a new tab)
| Pick | Why it’s here | Best for | Price |
|---|---|---|---|
| Wi-Fi 7 and 5Gbps LAN on an entry B850 board. | Budget builds that want current networking. | Check price for MSI PRO B850-P WiFi (opens in a new tab) |
| The lowest snapshot price here, with Wi-Fi 6E and BIOS Flashback. | The tightest budgets. | Check price for ASRock B650M PG Lightning WiFi (opens in a new tab) |
| A 14+2+1 layout and 2.5Gbps LAN with no Wi-Fi to pay for. | Desks with a network cable. | Check price for ASRock B850 Pro-A (opens in a new tab) |
| The B650 Gaming Plus WiFi is a plain, low-cost ATX board with a 12+2+1 layout, Wi-Fi 6E and 2.5Gbps LAN. | Buyers who want bluetooth 5.3 alongside wi-fi 6e. | Check price for MSI B650 Gaming Plus WiFi (opens in a new tab) |
| The B850M Pro RS WiFi is a Micro-ATX board with three M.2 slots, one of them PCIe 5.0, and BIOS Flashback. | Buyers who want pcie 5.0 m.2 slot. | Check price for ASRock B850M Pro RS WiFi (opens in a new tab) |
| The PRO B650-S WiFi is a simple ATX board with two Gen4 M.2 slots, Wi-Fi 6E and 2.5Gbps LAN. | Buyers who want two pcie 4.0 x16-size slots. | Check price for MSI PRO B650-S WiFi V1 (opens in a new tab) |
Our Picks
Best Budget B8501 of 6
MSI PRO B850-P WiFi on Amazon (opens in a new tab)
The PRO B850-P keeps Wi-Fi 7 and 5Gbps LAN on a budget B850 board with tool-free M.2 clips.
Best for
- Budget builds that want current networking.
Skip if
- Skip it if price comes first: the B650M PG Lightning cost less when we checked.
Why we like it
It matches the B850M Pro RS on M.2 slot count (3). On wired network speed it leads this guide at 5Gbps, ahead of the B650M PG Lightning (2.5Gbps). No other pick in this guide offers a wi-Fi 7; compare the B850M Pro RS, which has a wi-Fi 6E.
You also get a PCIe 5.0 graphics slot. It uses AMD's AM5 socket, so it takes Ryzen 7000, 8000 and 9000 chips; a board built before a CPU's launch may need a BIOS update first, so check whether it supports BIOS Flashback. Check the manual for which M.2 slots share lanes with SATA ports or the second PCIe slot before filling them all. It was priced above the B850 Pro-A and below the B650 Gaming Plus at the time of writing.
Key dimensions & specs
- M.2 slots: 3
- Wired LAN: 5Gbps
- Wi-Fi: Wi-Fi 7
- Form factor: ATX
- Socket: AM5
Pros
- 5Gbps wired Ethernet
- Wi-Fi 7 built in
- PCIe 5.0 graphics slot
- Tool-free EZ M.2 clips
Cons
- Costs more than the B650M PG Lightning at the time of writing
Lowest Price2 of 6
ASRock B650M PG Lightning WiFi on Amazon (opens in a new tab)
The B650M PG Lightning is the cheapest route onto AM5 here, a Micro-ATX board with Wi-Fi 6E, 2.5Gbps LAN and BIOS Flashback.
Best for
- The tightest budgets.
Skip if
- Worth skipping when wi-Fi 6E rather than Wi-Fi is a problem.
Why we like it
Its 6+2+1 layout is best kept to six- and eight-core chips. It matches the B850 Pro-A, the B650 Gaming Plus, the B850M Pro RS and the PRO B650-S on wired network speed (2.5Gbps). No other pick in this guide offers 6+2+1 power stages; compare the B850M Pro RS, which has 8+2+1 power stages.
You also get memory support up to DDR5-7200 (OC) and the lowest price among the AM5 boards here. It uses AMD's AM5 socket, so it takes Ryzen 7000, 8000 and 9000 chips; a board built before a CPU's launch may need a BIOS update first, so check whether it supports BIOS Flashback. As a Micro-ATX board it fits smaller cases but has fewer expansion slots than ATX; check the gap between the GPU and the lower slots. There is no published M.2 slot count figure, whereas the PRO B850-P offers 3.
Key dimensions & specs
- Wired LAN: 2.5Gbps
- Wi-Fi: Wi-Fi 6E
- Power stages: 6+2+1
- Form factor: Micro-ATX
- Socket: AM5
- Chipset: B650
Pros
- BIOS Flashback
- Memory support up to DDR5-7200 (OC)
- The lowest price among the AM5 boards here
- 6+2+1 power stages, the only one here
Cons
- Wi-Fi 6E rather than Wi-Fi 7
- No published M.2 slot count
Best for Wired Desks3 of 6
ASRock B850 Pro-A on Amazon (opens in a new tab)
The B850 Pro-A drops Wi-Fi to keep its price low, but keeps a 14+2+1 layout, 2.5Gbps LAN and BIOS Flashback.
Best for
- Desks with a network cable.
Skip if
- Pass if a published M.2 slot count matters; this one has none.
Why we like it
It suits desks with a network cable. It matches the B650M PG Lightning, the B650 Gaming Plus, the B850M Pro RS and the PRO B650-S on wired network speed (2.5Gbps). No other pick in this guide offers 14+2+1 power stages; compare the B850M Pro RS, which has 8+2+1 power stages.
You also get memory support to DDR5-8000 (OC) and no Wi-Fi, which keeps the price down for wired setups. It uses AMD's AM5 socket, so it takes Ryzen 7000, 8000 and 9000 chips; a board built before a CPU's launch may need a BIOS update first, so check whether it supports BIOS Flashback. There is no published M.2 slot count figure, whereas the PRO B850-P offers 3.
Key dimensions & specs
- Wired LAN: 2.5Gbps
- Power stages: 14+2+1
- Form factor: ATX
- Socket: AM5
- Chipset: B850
Pros
- 14+2+1 power stage layout
- BIOS Flashback
- Memory support to DDR5-8000 (OC)
- No Wi-Fi, which keeps the price down for wired setups
Cons
- No published M.2 slot count
Solid Alternative4 of 6
MSI B650 Gaming Plus WiFi on Amazon (opens in a new tab)
The B650 Gaming Plus WiFi is a plain, low-cost ATX board with a 12+2+1 layout, Wi-Fi 6E and 2.5Gbps LAN.
Best for
- Buyers who want bluetooth 5.3 alongside wi-fi 6e.
Skip if
- Skip it if this is a deal-breaker for you: wi-Fi 6E rather than Wi-Fi 7.
Why we like it
It covers a six- or eight-core Ryzen without extras. On wired network speed it ties with the B650M PG Lightning, the B850 Pro-A, the B850M Pro RS and the PRO B650-S at 2.5Gbps. 12+2+1 power stages is unique to it among these picks, while the B650M PG Lightning uses 6+2+1 power stages.
It also comes with Bluetooth 5.3 alongside Wi-Fi 6E, HDMI and DisplayPort outputs and one of the lowest prices here for an ATX AM5 board. It uses AMD's AM5 socket, so it takes Ryzen 7000, 8000 and 9000 chips; a board built before a CPU's launch may need a BIOS update first, so check whether it supports BIOS Flashback. Its price falls between the PRO B850-P and the B850M Pro RS, based on our last check. Buyers who need a confirmed M.2 slot count should compare it with the PRO B850-P, which offers 3.
Key dimensions & specs
- Wired LAN: 2.5Gbps
- Wi-Fi: Wi-Fi 6E
- Power stages: 12+2+1
- Form factor: ATX
- Socket: AM5
- Chipset: B650
Pros
- Bluetooth 5.3 alongside Wi-Fi 6E
- HDMI and DisplayPort outputs
- One of the lowest prices here for an ATX AM5 board
- 12+2+1 power stages, the only one here
Cons
- Wi-Fi 6E rather than Wi-Fi 7
- No published M.2 slot count
- Costs more than the B650M PG Lightning at the time of writing
Worth Considering5 of 6
ASRock B850M Pro RS WiFi on Amazon (opens in a new tab)
The B850M Pro RS WiFi is a Micro-ATX board with three M.2 slots, one of them PCIe 5.0, and BIOS Flashback.
Best for
- Buyers who want pcie 5.0 m.2 slot.
Skip if
- Skip it if this is a deal-breaker for you: wi-Fi 6E rather than Wi-Fi 7.
Why we like it
Its 8+2+1 layout suits six- and eight-core chips. On M.2 slot count it ties with the PRO B850-P at 3. On wired network speed it ties with the B650M PG Lightning, the B850 Pro-A, the B650 Gaming Plus and the PRO B650-S at 2.5Gbps.
8+2+1 power stages is unique to it among these picks, while the B850 Pro-A uses 14+2+1 power stages. It uses AMD's AM5 socket, so it takes Ryzen 7000, 8000 and 9000 chips; a board built before a CPU's launch may need a BIOS update first, so check whether it supports BIOS Flashback. As a Micro-ATX board it fits smaller cases but has fewer expansion slots than ATX; check the gap between the GPU and the lower slots. Check the manual for which M.2 slots share lanes with SATA ports or the second PCIe slot before filling them all.
Key dimensions & specs
- M.2 slots: 3
- Wired LAN: 2.5Gbps
- Wi-Fi: Wi-Fi 6E
- Power stages: 8+2+1
- Form factor: Micro-ATX
- Socket: AM5
- Chipset: B850
Pros
- PCIe 5.0 M.2 slot
- BIOS Flashback
- Three M.2 slots in a Micro-ATX size
- M.2 slot count of 3, ahead of the PRO B650-S
Cons
- Wi-Fi 6E rather than Wi-Fi 7
- Costs more than the B650M PG Lightning at the time of writing
Well-Rounded Choice6 of 6
MSI PRO B650-S WiFi V1 on Amazon (opens in a new tab)
The PRO B650-S WiFi is a simple ATX board with two Gen4 M.2 slots, Wi-Fi 6E and 2.5Gbps LAN.
Best for
- Buyers who want two pcie 4.0 x16-size slots.
Skip if
- Skip it if this is a deal-breaker for you: only 2 M.2 slots.
Why we like it
It is for builders who need nothing beyond the basics. Its 2 M.2 slot count is the fewest in this group; the PRO B850-P leads at 3. It matches the B650M PG Lightning, the B850 Pro-A, the B650 Gaming Plus and the B850M Pro RS on wired network speed (2.5Gbps).
It also comes with two PCIe 4.0 x16-size slots and memory support to DDR5-6000 (OC). It uses AMD's AM5 socket, so it takes Ryzen 7000, 8000 and 9000 chips; a board built before a CPU's launch may need a BIOS update first, so check whether it supports BIOS Flashback. Check the manual for which M.2 slots share lanes with SATA ports or the second PCIe slot before filling them all. At our last price check it topped the group, with the B850M Pro RS the nearest cheaper option.
Key dimensions & specs
- M.2 slots: 2
- Wired LAN: 2.5Gbps
- Wi-Fi: Wi-Fi 6E
- Form factor: ATX
- Socket: AM5
- Chipset: B650
Pros
- Two PCIe 4.0 x16-size slots
- Memory support to DDR5-6000 (OC)
- Wi-Fi 6E and 2.5Gbps Ethernet
Cons
- Only 2 M.2 slots
- Wi-Fi 6E rather than Wi-Fi 7
- M.2 slot count trails the PRO B850-P (3)
How We Chose These Budget AM5 Motherboards
Each pick was assessed across 4 criteria weighted for real-world use.
- Storage
- We counted listed M.2 slots and PCIe 5.0 support.
- Connectivity
- We compared Wi-Fi, wired LAN speed and USB4.
- Platform
- We checked socket, chipset and form factor from each listing.
- Power delivery
- We noted power stage layouts where the maker lists them.
What to Look for in a Budget AM5 Motherboard
Key buying criteria so you get the right fit the first time.
Check BIOS support and Flashback
A board may need a BIOS update before it runs a newer CPU. BIOS Flashback lets you update without a working CPU installed.
Count M.2 slots
Most games now install to NVMe drives. Count how many M.2 slots you need now and later, and check which ones share lanes with other ports.
Networking matters for daily use
Wi-Fi 7 and 5Gbps Ethernet help only if your router supports them, but built-in Wi-Fi saves a PCIe card.
Check the rear and front I/O
Count USB ports you use every day and confirm a front USB-C header if your case has a USB-C port.
Match the chipset to your plans
On AM5, B850 covers most gaming builds with PCIe 5.0 for at least one slot. X870E adds more PCIe 5.0 lanes and USB4 for heavy expansion.
Features, not frame rates, separate the chipsets.
Power delivery for high-end CPUs
Boards with more and stronger power stages run hot 16-core chips more comfortably. For eight-core gaming CPUs, most current boards are enough.
How to Choose a Budget AM5 Motherboard
By priority
| Priority | Consider | Why |
|---|---|---|
| Budget builds that want current networking | PRO B850-P | Wi-Fi 7 and 5Gbps LAN on an entry B850 board |
| The tightest budgets | B650M PG Lightning | The lowest snapshot price here, with Wi-Fi 6E and BIOS Flashback |
| Desks with a network cable | B850 Pro-A | A 14+2+1 layout and 2.5Gbps LAN with no Wi-Fi to pay for |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| Board | M.2 slots | Wired LAN | Wi-Fi | Power stages |
|---|---|---|---|---|
| PRO B850-P | 3 | 5Gbps | Wi-Fi 7 | Not listed |
| B650M PG Lightning | Not listed | 2.5Gbps | Wi-Fi 6E | 6+2+1 |
| B850 Pro-A | Not listed | 2.5Gbps | Not listed | 14+2+1 |
| B650 Gaming Plus | Not listed | 2.5Gbps | Wi-Fi 6E | 12+2+1 |
| B850M Pro RS | 3 | 2.5Gbps | Wi-Fi 6E | 8+2+1 |
| PRO B650-S | 2 | 2.5Gbps | Wi-Fi 6E | Not listed |
Scroll sideways to see every column.
By price at the time of writing
Prices change often; these tiers reflect Amazon prices when this guide was updated.
| Price tier | Boards |
|---|---|
| About $100 to $150 | B650M PG Lightning, B850 Pro-A, PRO B850-P, B650 Gaming Plus, B850M Pro RS |
| About $150 to $250 | PRO B650-S |
Frequently Asked Questions
Will a new board work with my CPU out of the box?
Usually, but check the board's CPU support list. If your chip needs a newer BIOS, BIOS Flashback updates it from a USB drive.
What size motherboard should I buy?
ATX fits most mid-towers and has the most slots. Micro-ATX and Mini-ITX suit smaller cases with fewer expansion needs.
Do I need PCIe 5.0?
Current graphics cards barely benefit. PCIe 5.0 matters more for the fastest SSDs.
Do I need X870E for gaming?
No. A B850 board runs the same CPUs at the same speed; X870E adds more PCIe 5.0 lanes, USB4 and expansion.
Is built-in Wi-Fi worth it?
Yes if you cannot run a cable. Otherwise wired Ethernet is more consistent.
Should I fill all four memory slots?
Two sticks usually run faster and more reliably on DDR5. Buy a two-stick kit with the capacity you need.
Bottom Line
The PRO B850-P is the safest cheap board. Choose the B650M PG Lightning for the lowest price, or the B850 Pro-A if you run a cable and want stronger power delivery.