Gigabyte B850 Aorus Stealth
Specifications
- Manufacturer: Gigabyte
- Chipset: B850
- Socket: AM5
- Form Factor: ATX
- DIMM Slots: 4
- Color: Black
BIOS Update Status
- AGESA 1.2.0.3C
Improves high-density memory compatibility, allowing stable operation of 4x DIMM configurations and 256GB total capacity.
- AGESA 1.2.7.0
Major enablement patch for next-generation 2026 processors; updates the PSP firmware and improves USB compatibility.
- AGESA 1.3.0.0
Preliminary support for the next major AM5 architecture revision; includes significant security hardening and memory training overhauls.
Latest BIOS Version
Checksum : 9D62 Update AMD AGESA 1.2.8.0 for next gen Ryzen processors support Fix SK Hynix DDR5 DIMM vulnerability issue (CVE-2025-6202) Improve memory compatibility
BIOS Release Notes Analysis
System Stability & Architecture
Initial firmware releases focus on hardening platform security and refining the boot process. Version F2 integrates AGESA 1.2.0.3f to resolve the TPM Out-of-Bounds Read vulnerability (CVE-2025-2884) and patches a critical CPU microcode signature verification flaw (CVE-2024-36347). This update also enhances DDR5 memory training logic. Version F3 advances the codebase to AGESA 1.2.0.3g, enabling support for the AI TOP Utility v4.1.1 and enforcing Secure Boot as the default system configuration to mitigate boot-level attack vectors.
Performance Tuning & Latest Features
Recent updates prioritize hardware compatibility and architectural readiness. Version F4 addresses general system compatibility to improve stability. The significant update in version F5 implements AGESA 1.2.8.0, which establishes support for next-generation Ryzen processors. This release also mitigates the critical Hynix Rowhammer vulnerability (CVE-2025-6202) affecting specific DDR5 DIMMs and further optimizes memory compatibility.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.