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NITRO+ B850A WIFI 7

  • AMD AM5 CPU SUPPORT
  • SAPPHIRE CORE BIOS
  • 12+2+1 Phase CPU Power, 55A Per Phase,
  • Robust VRM, M.2 and PCH Cooling
  • Dual Channel, 8000 MHz Memory OC
  • WIFI 7 Support
  • PCI Express 5.0 x16
  • PCIe 5.0 M.2 Support
  • Debug LED
Related Product:

NITRO+ B850M WIFI

AMD AM5 CPU SUPPORT

Learn More

Specifications

Chipset

AMD® B850

CPU Support

Supports AMD Socket AM5 Processors including Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors

Memory Support

4x DIMMS, Dual Channel DDR5, Maximum Memory Capacity 256GB (4x 64GB), up to 8000 MHz(OC)

PCI-E Expansion Slots

1x PCIe 5.0 x16, 1x PCIe 4.0 x4 in 16x slot, 1x PCIe 4.0 x2 in 16x slot

Display Connector

DisplayPort x1, HDMI x1

Audio

Realtek® ALC897 HD Audio, 7.1 Channel

Network

Realtek® RTL8125BG 2.5 Gigabit Ethernet
M.2 WiFi 7 Module, Support 802.11 a/b/g/n/ac/ax/be, 2.4 GHz / 5GHz / 6GHz band, Bluetooth 5.4 Support

Front USB Headers

1x USB 3.2 Gen1 (1 x Type C), 1x USB 3.2 Gen1 (2 x Type A), 1x USB 2.0 (2 x Type A)

Rear Ports

1 × DisplayPort, 1 × HDMI ™, 1 × RJ45 LAN, 2 × Wi Fi Antenna
One-click Flash BIOS Button, 4 × USB 2.0, 3 × USB 3.2 Gen2 Type A
1 × USB 3.2 Gen2 Type C, 6 × Audio Jacks

Storage

1x PCIe 5.0 M.2, 2x PCIe 4.0 M.2, 4x SATA

Dimensions

ATX, 305x244mm

Debug LED

DRAM: Yellow, CPU: Red, GPU: White, Boot: Green

Download

BIOS

Relese Note:
UPDATED:
1. Updated PI version to v1.3.0.1D.
2. Set the supported year range to 1998–2099.
3. Add DDR5 Nitro Timing control options.
4. Improve CXMT memory modules compatibility issue.
5. Fix the boot failure with the 7500F CPU and CXMT DDR5-6000 memory.

The file hash is as below:
MD5             4BF759086A398122136DBBFD2B7576B8
SHA-1          2A6754ACB0D1F3428CE9D61E2A3DE6410942612A
SHA-256      6D3A78710165770A2549BCF41FA0E608C2D540D631837D9AC9005D97F4DDCBC1
Version AM50N101R31
File Size 16.7 MB
Release Date 11/2/2026
Download

BIOS

Relese Note:
UPDATED:
1. Updated PI version to v1.3.0.1B
2. Updated SAPPHIRE CORE UI version to v0.8.97.
3. Fix correlated response issue when Network Stack Enable + fTPM Disable 

The file hash is as below:
MD5             10a729856d1c8e60969b380434040de0
SHA-1          4d2acbe35b00d373c9d4f11ead5495d15d1cd0c1
SHA-256      dc246a43a786a2e0a5ba1d6f002faed8b66022785f3aa325654f41611a4052e8
Version AM50N101R30
File Size 18.3 MB
Release Date 8/25/2026
Download

BIOS

Relese Note:
UPDATED:
1. Updated PI version to v1.3.0.1.
2. Updated SAPPHIRE CORE UI version to v0.8.95.
3. Added support for new CPU models.
4. Fixed minor bugs.

The file hash is as below:
MD5             7e428524ab46b6b1a741575dd81152aa
SHA-1          ec144780476cf474129368655446e783342266b4
SHA-256      3903e2673b3213832d1e0ad3cf8d8904e1191b25139f7efc781082d3e9736497
Version AM50N101R29
File Size 18.3MB
Release Date 6/18/2026
Download

BIOS

Relese Note:
UPDATED:
1. Optimized overclocking performance
2. Expanded overclocking options
3. Optimized fan curve control
4. Improved BIOS output resolution support

The file hash is as below:
MD5             cc8be01433cf8027b56e00c9f6400b62
SHA-1          5ac808437aea1ccd88f9bc84242de3a374e79fed 
SHA-256      f15a6290ec37772b44a0184f0365ce4f12a122e5e84da30bdcdd36d18e1d3a05
Version AM50N101R27
File Size 14MB
Release Date 1/7/2026
Download

BIOS

MD5             4685431e9a4bc8bbb755b287ecc3b47a
SHA-1          081eb9a6084bc4f79150be0372f73fdd4bf3940f
SHA-256      1d99e75fd6af74eae97e4d58d73c9754a470e25ce2ab5f7a47423b2e19a0895e
Version AM50N101R24
File Size 14MB
Release Date 9/26/2025
Download

BIOS

MD5             72672a058da323219e54a2d32b2151d8
SHA-1          6eae98fc4df6bae963ed9b0b04cf211bebf8a0aa
SHA-256      fec89d75070ce1a3b61b627d727b50943eda4ff0c2c50db8549062c495b16ca1
Version AM50N101R23
File Size 14MB
Release Date 9/1/2025
Download

For Windows

MD5             a78d4e4133dadff963fd997bffdb4bc5
SHA-1          4e4cc82fc2f944b3d9a1f0321096f6376e74e2e7
SHA-256      190ee57b3ee4c9b5f982229559a39316e9770e8df67cc1e334d09708a49e6dbc
Version V4
File Size 523KB
Release Date 6/30/2026
Download

BIOS Manual

“*New BIOS version will skip” in P15 & P16 for SAPPHIRE CORE UI v0.8.95 BIOS.
Version 1.01
File Size 2.5MB
Release Date 5/5/2026
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E030-0125-00_NITRO+ B850A WIFI7 MB_A5_QIG_112P_202508
Version 202508
File Size 108MB
Release Date 9/3/2025
Download

AMD_chipset_8.08.12.551.zip

MD5: EFAB2EEE10D248A97C6D7AA1ACF9F16C
SHA1: 077F945B6122808DB4721005F5294CAAD39BD4D0
SHA256: 04192323117317D212119D66476FE518D62EAB17A6250F0CF5AB1B6C43AE138C
 
Version 8.08.12.551
File Size 77.8MB
Release Date 10/12/2026
Download

AMD_ADR_V26.9.2.zip

MD5: 9985AC3FCF583C63DF6C4E1D9CE5BA9F
SHA1: 4AE409871642A9C6C50BDDCDE913FAE2D464FA4E
SHA256: 72E368AE264F36E89CA0FE1DAB1CAD926047C2D6B0A3EFED9745D8D99780FE58
Version 26.9.2
File Size 1.6GB
Release Date 10/12/2026
Download

RealtekALC6_0_9.zip

MD5: FFC61EC098E32E4447A3125BA637BCAF
SHA1: 9456CDABFBBB6512F85C6997B69CFED5B759F5E5
SHA256: 8039F48F626AB7980DE4E47F747F0F624B2A1E251017D49CFBBDFF57C2B4ABAD
Version 6.0.9
File Size 312MB
Release Date 2/25/2026
Download

RTL_Lan_Win11_Win10_11031

MD5: 286DE564D5EE26A67D8E3EFA132192A5
SHA1: 1C5875327A0F88010B88FC8D991ED18189FAC157
SHA256: 56E8B83D78322A69CF45A0FE028C3FE6830D142B005C0591670BC538E4E48234
Version 11.31
File Size 3.1MB
Release Date 10/12/2026
Download

MTK_WHQL_BT_V1.1147.0.610

MD5: C8390385096AEF966A3A4B90183D9B0A
SHA1: 891E048F6EC3019C5578F2892478D855D2001901
SHA256: 5408FCA6F983F3F75217474C9BE0370A078046822519F3ACF7678B4F92F84110
Version 1.1147.0.610
File Size 4.4MB
Release Date 10/12/2026
Download

MTK_WHQL_WLAN_V5.7.0.6054

MD5: 86B34A319D1E94EA26FD40BD301D6612
SHA1: 286FAAB9A4D7F1405455572C4F7BF69C5098C511
SHA256: 7978D2B89962C9B310CDE0F985FCB1ABF8AE1CE3757490C2FD5F8C75AAABE090
Version 5.7.0.6054
File Size 21.3MB
Release Date 10/12/2026
Download

RAID_Driver_932

MD5: 3EA163EA5BD089A8E5447D89B419024B
SHA1: 9008375B1FA4FBCF7791249A79873A69E2144DD0
SHA256: DE957711B2EA011986012A787A364DFA0B4ED516F8726CD3EE3A5895C8417D58
Version 9.3.2.00255
File Size 10.4MB
Release Date 2/25/2026
Download

NITRO+/PURE B850 Series
Version 202606
File Size 206KB
Release Date 6/18/2026
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MB QVL

SAPPHIRE Motherboard Qualified Vendor List
Version 202610
File Size 22.3KB
Release Date 10/20/2026
Download

RAID_Software_312

MD5: 3E2B2FD9CB0FCF92C3499E8DEC36195A
SHA1: 401FC095EA1027E96A3685E9C9B2498B53191052
SHA256: 0E260905078CF99E60800B73A896C3926DC1C57644CC2F5B4AF68F4DDCCF5B7D
Version 3.12.08.452
File Size 218MB
Release Date 2/25/2026
Download

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