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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 v1.3.0.1B
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
Download

RAID_Software_312

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

MB QVL

SAPPHIRE Motherboard Qualified Vendor List
Version 202609
File Size 22.2KB
Release Date 9/11/2026
Download

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