# GIGABYTE B860M D3W Motherboard, LGA 1851, DDR5 9066MHz, 2x PCIe 4.0 M.2, 1GbE LAN

**URL:** https://aio.lv/en/product--gigabyte-590443--12474932
**Data updated:** 2026-05-19 13:46 (EEST)
**Category:** Motherboards
**Manufacturer:** GIGABYTE
**Manufacturer code:** 590443
**EAN:** 4719331880613
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 141.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 117.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gigabyte-590443--12474932

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The GIGABYTE B860M D3W is a micro-ATX motherboard featuring the LGA 1851 socket, designed for Intel Core Ultra Series processors. It supports high-speed DDR5 memory up to 9066MHz, dual PCIe 4.0 M.2 slots for fast storage, and reliable 1GbE LAN connectivity. With a 4+1+2 phase VRM design, it ensures stable power delivery for demanding computing tasks and gaming builds.

## Long description

The GIGABYTE B860M D3W is a high-performance micro-ATX motherboard engineered for the Intel LGA 1851 socket, specifically supporting Intel Core Ultra Series processors. This board is built to provide a stable and efficient foundation for modern computing systems, utilizing a 4+1+2 phase VRM design to ensure consistent power delivery even under heavy workloads. With support for high-speed DDR5 memory reaching up to 9066MHz and advanced storage options, it offers a robust platform for both gaming enthusiasts and professional users.
Advantages
This motherboard stands out due to its integration of cutting-edge memory optimization technology, which allows for exceptional performance with DDR5 modules. The inclusion of the EZ-Latch mechanism on the PCIe x16 slot simplifies the process of installing or removing graphics cards, while the user-friendly BIOS interface, featuring AI Perfdrive and Q-Flash Auto Scan, makes system tuning and maintenance accessible to all users. Furthermore, the dual PCIe 4.0 M.2 slots provide rapid data transfer speeds, ensuring that your storage solutions keep pace with the high-speed processing capabilities of the latest Intel CPUs.
Suitable for
Building high-performance gaming PCs
Professional workstations for content creation
Compact desktop builds using the micro-ATX form factor
Systems requiring high-speed DDR5 memory support
When it may not be suitable
This motherboard may not be the ideal choice for users requiring multi-GPU configurations, as it is designed with a compact micro-ATX layout. Additionally, those who need 2.5GbE or 10GbE high-speed networking for professional server environments might find the standard 1GbE LAN connectivity insufficient for their specific data transfer needs.
Key specifications
Socket: LGA 1851
Memory: 4x DDR5 DIMM slots, up to 256GB capacity, speeds up to 9066MHz
Storage: 2x PCIe 4.0 x4 M.2 slots, SATA III support
Networking: 1GbE LAN (Realtek RTL8111H)
Audio: 7.1 Channel High Definition Audio (Realtek ALC897)
Form Factor: Micro-ATX
Connectivity: HDMI, DisplayPort, USB 3.2 Gen 1
How to use
To begin using the GIGABYTE B860M D3W, install your compatible Intel Core Ultra processor into the LGA 1851 socket, ensuring the alignment markers are matched correctly. Insert your DDR5 memory modules into the DIMM slots, following the dual-channel configuration guidelines in the manual for optimal performance. Once the hardware is installed in your case, connect your storage drives to the M.2 or SATA ports. Upon first boot, access the UEFI BIOS to configure your settings, utilize the Q-Flash utility for any necessary firmware updates, and enable XMP profiles to reach the maximum rated memory speeds.
What to consider before purchase
Ensure your computer case supports the micro-ATX form factor
Verify that your power supply unit has the necessary connectors for the motherboard and CPU
Check compatibility of your cooling solution with the LGA 1851 socket
Confirm that your storage drives are compatible with the M.2 or SATA III interfaces
Usage recommendations
For the best stability and performance, always ensure that your BIOS is updated to the latest version provided by GIGABYTE. When installing high-speed DDR5 memory, verify that the modules are seated firmly in the primary slots to take full advantage of the board's memory optimization features.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro ATX |
| Motherboard chipset | Intel B860 |
| Component for | PC |
| Audio output channels | 7.1 |
| Cooling type | Passive |
| PC health monitoring | FAN, Temperature, Voltage, Water cooling |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | Intel |
| Power source type | ATX |

| Feature | Value |
|---|---|
| Product colour | Dark brown |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | Intel |
| Compatible processor series | Intel Core Ultra (Series 1), Intel Core Ultra (Series 2) |
| Processor socket | LGA 1851 (Socket V1) |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 256 GB |
| Supported memory types | DDR5-SDRAM |
| Supported memory clock speeds | 5600, 6400, 6600, 6800, 7000 |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| Supported memory clock speed (max) | 9066 MHz |
| Maximum internal memory per slot | 64 GB |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 2 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |

### Graphics

| Feature | Value |
|---|---|
| Maximum resolution | 4096 x 2160 |
| Parallel processing technology support | Not supported |
| DirectX version | 12.0 |
| HDCP | Yes |
| HDCP version | 2.3 |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
| Ethernet interface type | Gigabit Ethernet |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 1 |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Number of chassis fan connectors | 2 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| EPS power connector (8-pin) | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Serial port headers | 1 |
| Front panel connector | Yes |
| Number of CPU fan connectors | 2 |
| Number of water pump connectors | 2 |
| Number of EPS power connectors (8-pin) | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| PS/2 ports quantity | 1 |
| Line-in | Yes |
| USB 2.0 ports quantity | 3 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 1 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 1, 5, 10 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 6 |
| Supported storage drive interfaces | M.2, SATA III |

### Technical details

| Feature | Value |
|---|---|
| Warranty period | 3 year(s) |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |
| ACPI version | 5.0 |
| Clear CMOS jumper | Yes |
| Desktop Management Interface (DMI) version | 2.7 |
| System Management BIOS (SMBIOS) version | 2.7 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 244 mm |
| Depth | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Weight | 1.35 kg |
| Package weight | 1600 g |
| Height | 35 mm |
| DisplayPort version | 2.1 |
| Audio chip | Realtek ALC897 |

### Packaging content

| Feature | Value |
|---|---|
| Bundled software | Norton® Internet Security (OEM version) |
| Batteries included | Yes |
| Screws included | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 265 mm |
| Package height | 54 mm |
| Package width | 265 mm |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Manganese Dioxide (LiMnO2) |
| Battery type | CR2032 |
| Battery capacity | 220 mAh |
| Number of battery cells | 1 |
| Battery weight | 3 g |
| Lithium weight per battery | 0.07 g |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |
| Products per shipping (inner) case | 1 pc(s) |

## FAQ

### How much does the GIGABYTE B860M D3W Motherboard \| LGA 1851 cost, and is it available for purchase?

The price is 141.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can GIGABYTE B860M D3W Motherboard \| LGA 1851 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All GIGABYTE products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized GIGABYTE service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, pci express x1 (gen 3.x) slots, weight, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12474932/68797606_large.webp