AM4 • AMD B550 • DDR4 • ATX
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| Socket | AM4 |
|---|---|
| Chipset | AMD B550 |
| Form factor supplied | ATX |
| Memory type | DDR4 |
| Supplied Wi-Fi standard | Unknown |
| Connections in title | Unknown |
| Performance & memory | |
|---|---|
| CPU socket | AM4 ↗ |
| Memory type | DDR4 ↗ |
| Storage & endurance | |
| Form factor | ATX ↗ |
| Other specifications | |
| Chipset | AMD B550 ↗ |
| Memory slots | 4 ↗ |
| M.2 slots | 2 ↗ |
| Ethernet | 1 Gb/s ↗ |
| Maximum memory capacity | 128 GB ↗ |
| SATA ports | 6 ↗ |
| Board width | 244 mm ↗ |
| Board length | 305 mm ↗ |
Manufacturer source ↗ · Specifications checked: 2026-10-29
An AM4 foundation for reusing DDR4 and a supported CPU. Check BIOS and expansion routes before buying.
A good fit forYou want to retain AM4 and DDR4 and have space for ATX.
Look further ifYou expect AM5, DDR5 or unrestricted simultaneous storage and PCIe expansion.
Start with what you can retain: this ATX board uses AM4 and DDR4, making it a useful candidate for an existing configuration. A matching socket does not establish BIOS support.
An older independent stress test of this exact model supports confidence in its power delivery under that setup, not every later processor or current firmware. There are two M.2 positions and six SATA ports.
Installing a drive in M.2_2 disables PCI_E3, so plan expansion together. The small historical owner selection includes successful installations and an unresolved boot problem after a CPU change.
Use these differences to check your own hardware and BIOS rather than deriving a defect rate.
Conditions: Historical Ryzen 3000 stress test with fixed cooling.
Meaning for your choice: Assess CPU support and case cooling separately.
Limits: Not a current BIOS or complete-system test.
The limited historical selection includes satisfaction with connectivity and a successful BIOS update alongside an unresolved boot problem after a CPU change. These are different PCs and circumstances.
Check the official CPU support list and required BIOS before removing the old processor; a shared socket does not establish a working combination.
Three source contexts from 2021, 2022 and 2025; a small self-selected sample without independently verified purchases. A platform purchase label is not independent proof. No defect rate, guaranteed overclock or commenter BIOS recommendation adopted. Small self-selected sample of self-reported owners; purchases and accounts are not independently verified. Not a representative survey or a Specufo member score. · Checked 2026-10-29
Test configuration and limitsTechSpot used Ryzen 3700X, 3900X and 3950X, fixed case ventilation and a 21°C room. Results do not predict your case, cooling or CPU.
No Specufo hands-on test. Manufacturer facts rechecked; a 2020 test and 2021–2025 owner contexts. Current BIOS support rows were not read; no compatibility guarantee.
Compare AM5 and DDR5 when also replacing CPU and RAM.
Experiences form a limited model-level selection. Multiple posts from one owner, sponsored experiences and republications are not additional independent measurements. Region, RAM, firmware and test conditions can change outcomes.
Speed, battery runtime, camera quality and reliability require relevant evidence. Conflicting opinions are not averaged into a misleadingly precise score.
The source reading record distinguishes manufacturer facts, external tests and self-reported owner contexts. Test conditions and edition limits remain attached to the findings. This is not a Specufo lab test or member rating. Versions, software and use can differ; read the test limitations.
Match the shop listing to these details. A similar name does not prove the same configuration.
The listed specification fields are filled. This does not prove independent performance or complete compatibility.
Open manufacturer source ↗Other documented products to inspect. These are not performance recommendations or a compatibility guarantee.
Standard retail motherboard
Standard retail motherboard
Original non-MAX motherboard; regional SKU unverified