B650E is a mid-range AM5 chipset from 2022 with one defining promise: every B650E board has a PCIe 5.0 graphics slot and at least one PCIe 5.0 M.2 slot. Plain B650 guarantees neither. It allows CPU overclocking, takes every AM5 Ryzen processor, and has since been succeeded by the 800-series, so B650E boards are now older stock. The ones we track are on the B650E deals page.
Cheapest B650E boards right now
All 16 B650E motherboards, with price drops and price history
Amazon Warehouse offers on B650E boards
Where B650E sits
AMD launched AM5 in 2022 with four chipsets: X670E, X670, B650E and B650. The E, for Extreme, marks the versions that guarantee PCIe 5.0 to both the graphics slot and storage. B650E uses the same single chipset chip as B650; the X670 pair use two. So B650E gives you the PCIe 5.0 guarantees of X670E without the extra ports and lanes of a two-chip board.
Fewer B650E models were made than B650 ones, and they sat towards the top of each maker's B-series range. Expect better than average power delivery and features, but check rather than assume.
Key specifications
| Feature | B650E | B650 | B850 |
|---|---|---|---|
| Launched | 2022 | 2022 | Early 2025 |
| CPU overclocking | Yes | Yes | Yes |
| PCIe 5.0 graphics slot | Required | Not guaranteed | Optional, varies by board |
| PCIe 5.0 M.2 slot | Required | Optional, varies by board | Required |
| USB4 | Optional, on few boards | Optional, on few boards | Optional, varies by board |
| Chipset lanes | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 |
The PCIe 5.0 lanes come from the processor, not the chipset. What the E label certifies is that the board maker has wired and validated those lanes at PCIe 5.0 speed.
Compatible CPUs and memory
B650E supports Ryzen 7000, Ryzen 8000G and Ryzen 9000 processors, with DDR5 memory only and EXPO or XMP profiles. CPU and memory overclocking are both allowed.
Age brings one thing to watch. B650E boards were designed for Ryzen 7000. Ryzen 8000G and Ryzen 9000 support came through later BIOS updates, and a board that has sat in a warehouse since 2022 or 2023 may still carry an early BIOS. With a newer chip it might not start until it is updated. A BIOS flashback button lets you update from a USB stick with no CPU fitted, so it is worth having on any 600-series board. The detail is in BIOS updates and CPU compatibility.
AMD has said AM5 is supported through 2027 and beyond, and that applies to 600-series boards as much as to new ones, subject to each maker continuing to release BIOS updates.
How much the PCIe 5.0 guarantee matters
For storage, a little. PCIe 5.0 SSDs exist and are faster in large file transfers, though for loading games and everyday work the gain over a good PCIe 4.0 drive is small. For graphics, current cards do not lose anything noticeable in a PCIe 4.0 x16 slot. The case for B650E is mostly about keeping the board for many years and not wanting the slot to be the limit later. Our guide to whether you need PCIe 5.0 sets out the evidence.
B650E against B850 and X870
A B850 board that happens to have a PCIe 5.0 graphics slot matches B650E on the features that define it, and will start a Ryzen 9000 chip out of the box. The difference is that on B850 you must check for that slot, while on B650E it is certain. X870 adds compulsory USB4 on top. Between a discounted B650E board and a newer B850 one, compare the individual boards: M.2 count, power delivery, WiFi version and price decide it, not the chipset name.
What varies by board
- The number of M.2 slots beyond the guaranteed PCIe 5.0 one, and their speeds.
- Whether using a second PCIe 5.0 M.2 slot takes lanes from the graphics slot. The manual says.
- WiFi generation. Boards from 2022 usually have WiFi 6E where they have WiFi at all.
- Power delivery, rear USB count and audio.
- Form factor: B650E was made in ATX and smaller sizes, including some mini-ITX boards.
Who should buy B650E
B650E makes sense when a good board is reduced to B650 or B850 money and you want the PCIe 5.0 slots settled. It is a sound base for a Ryzen 7 gaming build you plan to keep through one or two graphics card changes. It makes less sense at full price now that newer boards exist.
Older stock also turns up as opened or returned items. AM5 puts the socket pins on the board, so bent pins are the main risk with a Warehouse offer. Read are Amazon Warehouse motherboards worth it before buying one.
What to check on the listing
- That the model name says B650E and not B650. The two are easy to confuse in search results.
- Whether it has a BIOS flashback button, if you are fitting a Ryzen 9000 or 8000G chip.
- M.2 slot count and speeds.
- WIFI or non-WIFI version.
- The first-available date, which tells you roughly how old the design is.
See current reductions on the B650E deals list, or compare across all chipsets on the price drops page.
Questions people ask
What is the difference between B650E and B650?
B650E guarantees PCIe 5.0 for both the main graphics slot and at least one M.2 slot. B650 guarantees PCIe 5.0 at most for an M.2 slot, and even that depends on the board. The chipset chip and overclocking support are the same.
Does B650E support Ryzen 9000?
Yes, but a board with an early BIOS may need an update first. Look for a BIOS flashback button, which lets you update without a working processor fitted.
Is B650E better than B850?
Not across the board. B650E guarantees a PCIe 5.0 graphics slot, which B850 leaves optional. B850 boards are newer and support Ryzen 9000 from the first BIOS. Compare the individual boards.
Do B650E boards have USB4?
A few do, but it is not required by the chipset. USB4 is compulsory only on X870 and X870E, so check the port list.