Socket AM5 (B850 Chipset)
The AMD B850 platform is the foundation for next-generation gaming and content creation experiences. Featuring enhanced overclocking capabilities, DDR5 memory support with AMD EXPO™ Technology, and PCIe® 5 connectivity for NVME storage, the AMD B850 platform is ready to power your desktop for years to come.
X870E vs X870, B850 and B840 - Specification Comparison
Comparison chart of some of the key specifications of the AM5 chipsets
| X870E | X870 | B850 | B840 | |
| Graphics | 1x16 or 2x8 (PCIe 5.0) | 1x16 or 2x8 (PCIe 5.0) | 1x16 or 2x8 (PCIe 4.0) | 1x16 (PCIe 4.0) |
| PCIe 5.0 NVMe | 1x4 PCIe 5.0 | 1x4 PCIe 5.0 | 1x4 PCIe 5.0 | 1x4 PCIe 4.0 |
| PCIe Lanes | 44 (Up to 24 PCIe 5.0) | 36 (Up to 24 PCIe 5.0) | 36 (Up to 4 PCIe 5.0) | 34 |
| Overclocking Support | Yes | Yes | Yes | No |
| USB 10Gbps | 12 | 6 | 6 | 2 |
| USB 20Gbps | 2 | 1 | 1 | 0 |
| Maximum SATA Ports | 8 | 4 | 4 | 4 |
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Best selling Socket AM5 (B850 Chipset)
PRO B850M-A WIFI PZ, M-ATX, AM5, DDR5, 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4, 2 x PCIe 3.0 x1, 2 x M.2, 1 x 5 Gb LAN, USB 4.0, WIFI 7, HDMI
Ordered Upon Request 
£7.99 Next Day Delivery
£7.99 Next Day Delivery
Stock Code: MSI-B85MAP
Manf Code: PRO B850M-A WIFI PZ
£189.98 inc vat
£158.32 ex vat
PRO B850-S EVO WIFI, ATX, AM5, DDR5, 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4, 3 x M.2, 4 x SATA, 1 x 5 Gb LAN, Wi-Fi 7, HDMI
Dispatches within 1 - 3 Days
£7.99 Next Day Delivery
£7.99 Next Day Delivery
Stock Code: MSI-B85SEW
Manf Code: PRO B850-S EVO WIFI
£169.98 inc vat
£141.65 ex vat
MAG B850 TOMAHAWK MAX WIFI II, ATX, AM5, DDR5, 1 x PCIe 5.0 x16, 4 x M.2, 4 x SATA, 1 x 5 Gb LAN, Wi-Fi 7, HDMI
Dispatches within 1 - 3 Days
£7.99 Next Day Delivery
£7.99 Next Day Delivery
Stock Code: MSI-B85TM2
Manf Code: MAG B850 TOMAHAWK MAX WIFI II
£259.98 inc vat
£216.65 ex vat
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