AM4 · B450 · Micro-ATX · DDR4
GIGABYTE announced the B450M D3HP WIFI6E on 14 August 2026. We have not tested one, and nothing here is a measured result. Every figure below is based on published specifications, with GIGABYTE's own specification page as the source of record and the trade coverage listed under Sources as corroboration. Where GIGABYTE has not published a number, we do not print one.
Published 20 August 2026. We will change that date only when the content of this page actually changes.
The B450M D3HP WIFI6E is the wireless version of GIGABYTE's B450M D3HP. It is the same Micro-ATX board for Socket AM4 on AMD's B450 chipset, with a Realtek RTL8852CE module added for Wi-Fi 6E and Bluetooth 5.4. Every other published specification matches the wired model, including the wired Gigabit Ethernet port, which the wireless module supplements rather than replaces.
It is a new 2026 product on an old platform: DDR4 memory, PCIe 3.0, and a feature set aimed at people who already own an AM4 processor and a set of DDR4 sticks. Four DIMM slots and support for up to 128GB is generous for a board at this level. Power delivery and the second M.2 slot are where the budget shows, and both are covered below.
AMD published bulletin AMD-SB-7064 on 11 August 2026. It covers two high-severity flaws in AMD's firmware TPM: CVE-2026-6726, an information-leakage flaw that lets a forged TPM key be certified as genuine, and CVE-2026-6727, a timing side-channel. AMD scores them 8.5 and 8.3 on CVSS 4.0. Affected processors run from Ryzen 3000 to Ryzen 9000, plus Threadripper, Ryzen AI and Ryzen Embedded parts. Both attacks need local privileged access, so neither is remotely exploitable. The underlying flaw is in the Trusted Computing Group's TPM 2.0 reference code, which AMD ships as fTPM.
The fix arrives as a motherboard BIOS update. Windows Update will not install it. Check GIGABYTE's security page and this board's own support page, install the latest BIOS, then look for an fTPM or TPM security fix in the release notes. Coverage varies by board, and we have not verified that a fixed BIOS exists for this one.
Before you flash: if this machine uses BitLocker, save your recovery key first. A firmware update can trigger BitLocker recovery, and Windows will then ask for a 48-digit key before it unlocks the drive. Our BIOS update guide covers the safe order.
Advisory added 2026-08-20.
| Socket | AM4 |
| Chipset | B450 |
| Form Factor | Micro-ATX |
| CPU Support | Ryzen 5000 / 4000 / 3000 Series |
| Memory | DDR4, 4 DIMM slots, up to 128GB |
| PCIe Slots | 1x PCIe 3.0 x16 |
| M.2 Slots | 2x M.2 (1x PCIe 3.0 x4, 1x PCIe 2.0 x2) |
| SATA Ports | 4 |
| Rear USB | 7x USB (4x USB 3.2 Gen 1, 3x USB 2.0) |
| Video Outputs | 1x DisplayPort, 2x HDMI |
| WiFi | Wi-Fi 6E |
| Bluetooth | Bluetooth 5.4 |
| LAN | 1G |
| Audio | Codec not published by GIGABYTE |
| Power Phases | 4+2 |
The board has two M.2 slots, and they are not equivalent. Read the second row of this section before you plan your storage.
Alongside those there are four SATA 6 Gb/s ports, which is the usual count for a Micro-ATX board of this size.
A modern NVMe drive in the second slot will not run at its rated speed. That is not a defect, it is the chipset: B450 simply does not have faster lanes to give.
GIGABYTE lists a digital 4+2-phase design. That is entry-level power delivery, and it sets the sensible ceiling for this board. Based on published specifications, it is sized for the 65 W processors that make up most of the AM4 install base. If your plan involves a 105 W part running flat out for hours, or any serious overclocking, a heavier VRM is the safer buy.
GIGABYTE's published processor support covers the Ryzen 5000, 4000 and 3000 series, including the models with integrated graphics.
The wireless module is a Realtek RTL8852CE. It provides Wi-Fi 6E across the 2.4, 5 and 6 GHz bands, plus Bluetooth 5.4. The 6 GHz band is the reason to pick this model over the wired one: it is far less congested than 2.4 and 5, provided your router supports it.
Wired networking is Realtek Gigabit Ethernet, the same as on the wired model. The wireless module is an addition, not a substitute.
The rear panel carries seven USB ports: four USB 3.2 Gen 1 and three USB 2.0. Video output is one DisplayPort and two HDMI, which matters because a good number of AM4 chips have integrated graphics. There is also a front-panel USB-C header rated at 5 Gb/s.
GIGABYTE has not published the audio codec model for this board, so we are not naming one. The specification table above says so rather than guessing.
This is the part most spec sheets leave out, and it is worth knowing before you plan a build around this board:
We will fill these in when GIGABYTE publishes them, and not before.
Anyone who would buy the wired B450M D3HP but needs wireless. Because the two boards differ only in the wireless module, the choice comes down to whether you would otherwise buy a Wi-Fi card or adapter. If you would, this model is the tidier answer, assuming the price difference is smaller than the cost of that card. GIGABYTE has not announced either price, so that comparison is not one we can make yet.
As with the wired model, this board makes sense because of the AM4 processor and DDR4 memory you already own. If you are buying a whole platform from scratch, look at current sockets first.