# Micro ATX motherboard GIGABYTE B550M DS3H AC R2 — AMD B550, Socket AM4, 4x DIMM DDR4 up to 128GB, 5+3 VRM, PCIe 4.0 x16, M.2 PCIe 4.0/3.0, Wi‑Fi 5, 1GbE

**URL:** https://aio.lv/en/product--gigabyte-b550m-ds3h-r2--11651831
**Data updated:** 2025-12-31 11:25 (EET)
**Category:** Motherboards
**Manufacturer:** GIGABYTE
**Manufacturer code:** B550M-DS3H R2
**EAN:** 4719331869908
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 92.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 76.85 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gigabyte-b550m-ds3h-r2--11651831

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

GIGABYTE B550M DS3H AC R2 is a Micro ATX motherboard for Socket AM4 supporting AMD Ryzen 3000/4000/5000 series. Features a 5+3 phase VRM, four DDR4 DIMM slots (up to 128 GB, up to 4733 MHz O.C.), one PCIe 4.0 x16 slot, one PCIe 3.0 x16 (x1) and M.2 slots with PCIe 4.0/3.0 support. Includes Wi‑Fi 5, Realtek 1GbE LAN, USB 3.2 Gen1 and SATA III with RAID 0/1/10 support. Suited for gaming, productivity and compact PC builds.

## Long description

GIGABYTE B550M DS3H AC R2 is a Micro ATX motherboard for Socket AM4 systems, compatible with AMD Ryzen 3000, 4000 and 5000 series processors. The board provides a 5+3 phase VRM, four DDR4 DIMM slots supporting up to 128 GB (overclocking to 4733 MHz O.C. supported), a PCIe 4.0 x16 slot for graphics, additional PCIe expansion, M.2 storage slots with PCIe 4.0/3.0 support, integrated Wi‑Fi 5 and Realtek 1GbE LAN, plus USB 3.2 Gen1 and SATA III ports with RAID 0/1/10 capability.
Advantages
The Micro ATX layout balances compact size and expandability, making the board suitable for small to mid-size cases while retaining key upgrade paths. Native PCIe 4.0 on the primary x16 slot and an M.2 slot offers higher bandwidth for modern GPUs and NVMe SSDs. Four DDR4 DIMM slots allow flexible memory configurations up to 128 GB, and onboard Wi‑Fi 5 together with Realtek 1GbE provide both wireless and wired networking options.
Suitable for
 Gaming builds in Micro ATX or compact cases
 Productivity desktops for office and home use
 Compact PC builds with multiple storage and memory needs
Key specifications
 Form factor: Micro ATX
 Chipset: AMD B550
 Processor socket: Socket AM4 (supports AMD Ryzen 3000/4000/5000 series)
 VRM: 5+3 phase
 Memory: 4 × DDR4 DIMM slots, up to 128 GB (supports overclocking up to 4733 MHz O.C.)
 Expansion: 1 × PCIe 4.0 x16, 1 × PCIe x1 (Gen 3.x)
 Storage: M.2 slots with PCIe 4.0/3.0 support; SATA III with RAID 0/1/10
 Networking: Wi‑Fi 5, Realtek 1GbE LAN
 USB: USB 3.2 Gen1 ports
 Weight: 0.98 kg
How to use
Install the GIGABYTE B550M DS3H AC R2 into a compatible Micro ATX case and mount a Socket AM4 processor and appropriate cooler following the cooler and case manufacturer instructions. Insert DDR4 memory modules into the recommended DIMM slots for dual-channel operation, install a graphics card into the PCIe 4.0 x16 slot if required, and attach M.2 or SATA drives for storage. Connect the PSU, front-panel headers and external I/O, then boot and install the operating system. Download and apply the latest BIOS and chipset/network drivers from the GIGABYTE support site for optimal compatibility.
Usage recommendations
Use memory modules listed on GIGABYTE’s compatibility list when planning high-frequency overclocks, ensure correct CPU cooler contact to maintain thermal stability, and keep BIOS and drivers updated from GIGABYTE to ensure compatibility with newer Ryzen processors and NVMe devices.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro ATX |
| Motherboard chipset | AMD B550 |
| Component for | PC |
| Audio output channels | 7.1 |
| Cooling type | Passive |
| PC health monitoring | FAN, Temperature, Voltage |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Power source type | ATX |

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

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 128 GB |
| Supported memory types | DDR4-SDRAM |
| Supported memory clock speeds | 4733, 4600, 4400, 4266, 4133, 4000, 3866, 3733, 3600, 3466, 3400, 3200, 2933, 2667, 2400, 2133 |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| Supported memory clock speed (max) | 4733 MHz |
| Maximum internal memory per slot | 32 GB |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.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 | 3.0 |

### Graphics

| Feature | Value |
|---|---|
| Maximum resolution | 5120 x 2880 |
| Parallel processing technology support | Not supported |
| DirectX version | 12.0 |
| HDCP | Yes |
| On-board graphics card | No |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.0 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | Yes |
| Ethernet interface type | Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| WLAN controller model | Realtek RTL8821CE |

### 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 |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 5 |
| Number of CPU fan connectors | 1 |
| 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 | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 1 |
| Microphone in | Yes |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 1, 10 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 6 |
| Supported storage drive interfaces | M.2, PCI Express 3.0, PCI Express 4.0, SATA III |

### Technical details

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

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 128 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 |
| Supported processor sockets | Socket AM4 |
| Weight | 0.98 kg |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Package weight | 1070 g |
| Height | 35 mm |
| DisplayPort version | 1.4 |
| Audio chip | Realtek ALC1220-VB |

### Packaging content

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

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 268 mm |
| Package height | 68 mm |
| Package width | 270 mm |

### Battery

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

### Logistics data

| Feature | Value |
|---|---|
| Products per shipping (inner) case | 1 pc(s) |

## FAQ

### How much does the GIGABYTE B550M DS3H AC R2 Micro ATX motherboard cost, and is it available for purchase?

The price is 92.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 176 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 13.07.2026 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 B550M DS3H AC R2 Micro ATX motherboard 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, pci express x16 (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

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