MSI PRO A620M-E vs MSI PRO B850M-A WIFI
Key differences
- MSI PRO B850M-A WIFI: ethernet 5 Gbps vs 1 Gbps (80% higher)
- MSI PRO B850M-A WIFI: m.2 slots 2 vs 1 (50% higher)
- MSI PRO B850M-A WIFI: max memory 256 GB vs 128 GB (50% higher)
- MSI PRO B850M-A WIFI: memory slots 4 vs 2 (50% higher)
- MSI PRO B850M-A WIFI: max memory speed 8,200 MT/s vs 6,800 MT/s (17% higher)
Same on both: usb4 No, socket AM5, rear usb-a 6, sata ports 4, audio Realtek ALC897, form factor Micro-ATX, memory type DDR5.
| MSI PRO A620M-E | MSI PRO B850M-A WIFI | |
|---|---|---|
| Released | 2023 | 2025 |
| USB4 | No | No |
| Wi-Fi | — | Wi-Fi 7 |
| PCIe 5.0 M.2 slots | 0 | 1 |
| Socket | AM5 | AM5 |
| Chipset | A620 | B850 |
| Ethernet | 1 Gbps | 5 Gbps |
| M.2 slots | 1 | 2 |
| Rear USB | 4× 5Gb/s Type-A, 2× USB 2.0 | 2× 10Gb/s Type-C, 3× 10Gb/s Type-A, 3× 5Gb/s Type-A |
| M.2 slots (detail) | 1× PCIe 4.0 x4 | 1× PCIe 5.0 x4, 1× PCIe 4.0 x4 |
| Rear USB-A | 6 | 6 |
| Rear USB-C | 0 | 2 |
| PCIe slots | 1× PCIe 4.0 x16, 1× PCIe 3.0 x1 | 1× PCIe 5.0 x16, 1× PCIe 4.0 x4 (x16 slot), 1× PCIe 3.0 x1 |
| SATA ports | 4 | 4 |
| Audio | Realtek ALC897 | Realtek ALC897 |
| Fan headers | 3 | 5 |
| Form factor | Micro-ATX | Micro-ATX |
| Memory type | DDR5 | DDR5 |
| GPU slot | PCIe 4.0 | PCIe 5.0 |
| RGB headers | 1× RGB | 3× ARGB, 1× RGB |
| Internal USB headers | 2× 5Gb/s ports, 4× USB 2.0 ports | 1× 10Gb/s Type-C, 2× 5Gb/s ports, 4× USB 2.0 ports |
| Max memory | 128 GB | 256 GB |
| Memory slots | 2 | 4 |
| Thunderbolt / USB4 | — | — |
| Ethernet controller | Realtek RTL8111H 1Gb | Realtek RTL8126VB 5Gb |
| Video outputs | 1× HDMI 2.1, 1× VGA | 1× HDMI 2.1, 1× DisplayPort 1.4 |
| Front USB-C header | — | 10Gb/s |
| Max memory speed | 6,800 MT/s | 8,200 MT/s |
| Bluetooth | — | 5.4 |
| BIOS flashback | — | Yes |