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MSI Pro B840M-B
Sapphire B650M-E

MSI Pro B840M-B Sapphire B650M-E

Common Features

  • ✓ Both products use an AM5 CPU socket.
  • ✓ Both products have a Micro-ATX form factor.
  • ✓ Neither product supports Wi-Fi.
  • ✓ Neither product has Bluetooth.
  • ✓ Both products are easy to overclock.
  • ✓ Neither product has dual BIOS.
  • ✓ Both products have one CPU socket.
  • ✓ Neither product has integrated graphics.
  • ✓ Both products support DDR5 memory.
  • ✓ Both products have two memory slots.
  • ✓ Both products have two memory channels.
  • ✓ Neither product supports ECC memory.
  • ✓ Both products have two USB 3.2 Gen 1 ports (through expansion).
  • ✓ Both products have four SATA 3 connectors.
  • ✓ Both products have two M.2 sockets.
  • ✓ Both products have a PCIe 4.0 x16 slot.
  • ✓ Both products have audio connectors.
  • ✓ Both products support RAID 0+1.

Main Differences

  • • The MSI Pro B840M-B uses a B840 chipset, while the Sapphire B650M-E uses a B650 chipset.
  • • The MSI Pro B840M-B has RGB lighting, but the Sapphire B650M-E does not.
  • • The MSI Pro B840M-B is easier to reset BIOS than the Sapphire B650M-E.
  • • The MSI Pro B840M-B is 226 mm in height, while the Sapphire B650M-E is 235 mm.
  • • The MSI Pro B840M-B is 243.8 mm in width, while the Sapphire B650M-E is 244 mm.
  • • The MSI Pro B840M-B supports a maximum memory of 128GB, while the Sapphire B650M-E supports a maximum memory of 96GB.
  • • The MSI Pro B840M-B supports an overclocked RAM speed of 8000 MHz, while the Sapphire B650M-E supports 7600 MHz.
  • • The MSI Pro B840M-B has 4 USB 3.2 Gen 1 ports (USB-A), while the Sapphire B650M-E has 2.
  • • The MSI Pro B840M-B has 2 USB 2.0 ports, while the Sapphire B650M-E has 6.
  • • The MSI Pro B840M-B has no DisplayPort output, while the Sapphire B650M-E has 1.
  • • The MSI Pro B840M-B has a USB Type-C port, while the Sapphire B650M-E does not.
  • • The MSI Pro B840M-B has a VGA connector, while the Sapphire B650M-E does not.
  • • The MSI Pro B840M-B has 1 PCIe x1 slot, while the Sapphire B650M-E has none.
  • • The MSI Pro B840M-B has no PCIe x4 slot, while the Sapphire B650M-E has 1.
  • • The MSI Pro B840M-B supports 7.1 audio channels, while the Sapphire B650M-E supports 5.1.
  • • The MSI Pro B840M-B has no S/PDIF Out port, which is also the case for the Sapphire B650M-E.
Specs Comparison
MSI Pro B840M-B

MSI Pro B840M-B

Sapphire B650M-E

Sapphire B650M-E

General info:
CPU socket AM5 AM5
chipset B840 B650
form factor Micro-ATX Micro-ATX
release date May 2025 September 2025
supports Wi-Fi ✕ ✕
Has Bluetooth ✕ ✕
Easy to overclock ✓ ✓
has RGB lighting ✓ ✕
Easy to reset BIOS ✓ ✕
Has dual BIOS ✕ ✕
CPU sockets 1 1
Has integrated graphics ✕ ✕
warranty period 3 years 3 years
height 226 mm 235 mm
width 243.8 mm 244 mm
Has integrated CPU ✕ ✕

The MSI Pro B840M-B and the Sapphire B650M-E are both Micro-ATX motherboards that share several similarities and a few key differences. Both motherboards feature an AM5 CPU socket, support a single CPU socket, and have a 3-year warranty. Additionally, neither board includes integrated graphics or an integrated CPU.

When it comes to chipset, the MSI Pro B840M-B uses the B840 chipset, while the Sapphire B650M-E uses the B650 chipset, indicating a slight variation in their platform architecture. In terms of form factor, both motherboards adhere to the Micro-ATX standard, but the dimensions slightly differ; the MSI board is 226 mm in height and 243.8 mm in width, while the Sapphire board is 235 mm tall and 244 mm wide.

For additional features, the MSI Pro B840M-B includes RGB lighting, which the Sapphire B650M-E lacks. Both motherboards offer easy overclocking, but only the MSI Pro B840M-B has an easy BIOS reset function, while the Sapphire B650M-E does not. Neither board supports Wi-Fi or Bluetooth, and neither includes dual BIOS functionality.

Memory:
maximum memory amount 128GB 96GB
overclocked RAM speed 8000 MHz 7600 MHz
memory slots 2 2
DDR memory version 5 5
memory channels 2 2
Supports ECC memory ✕ ✕

The MSI Pro B840M-B and Sapphire B650M-E both support DDR5 memory and share similar memory configurations, but there are key differences in their maximum memory support and overclocking capabilities. The MSI Pro B840M-B supports up to 128GB of memory, while the Sapphire B650M-E supports a lower maximum of 96GB.

Both motherboards feature 2 memory slots and support dual-channel memory configurations. Additionally, both boards support DDR5 memory, but the MSI Pro B840M-B can handle higher overclocked RAM speeds, with a maximum of 8000 MHz, compared to the Sapphire B650M-E’s maximum of 7600 MHz.

Neither motherboard supports ECC memory, as explicitly stated in their specifications, meaning they are not designed for error-correcting capabilities.

Ports:
USB 3.2 Gen 2 ports (USB-A) 0 0
USB 3.2 Gen 1 ports (USB-A) 4 2
USB 3.2 Gen 2 ports (USB-C) 0 0
USB 3.2 Gen 1 ports (USB-C) 0 0
USB 2.0 ports 2 6
USB 3.2 Gen 2x2 ports 0 0
USB 4 40Gbps ports 0 0
USB 4 20Gbps ports 0 0
Thunderbolt 4 ports 0 0
Thunderbolt 3 ports 0 0
has an HDMI output ✓ ✓
DisplayPort outputs 0 1
RJ45 ports 1 1
Has USB Type-C ✓ ✕
eSATA ports 0 0
DVI outputs 0 0
has a VGA connector ✓ ✕
PS/2 ports 0 0

The MSI Pro B840M-B and the Sapphire B650M-E offer a range of connectivity options, but there are some differences in their port configurations. Both motherboards feature an HDMI output, but only the MSI Pro B840M-B has a VGA connector. The Sapphire B650M-E, on the other hand, includes a DisplayPort output, which the MSI board lacks. Neither board offers any DVI outputs, eSATA ports, or Thunderbolt ports.

In terms of USB connectivity, the MSI Pro B840M-B includes 4 USB 3.2 Gen 1 Type-A ports and 2 USB 2.0 ports, while the Sapphire B650M-E has fewer USB 3.2 Gen 1 Type-A ports, with only 2, but includes 6 USB 2.0 ports. Neither motherboard offers any USB 3.2 Gen 2 or USB Type-C ports, but the MSI board does feature a USB Type-C port, while the Sapphire board does not.

Both motherboards include 1 RJ45 Ethernet port and do not have PS/2 ports. The MSI Pro B840M-B also lacks any DisplayPort outputs, USB 3.2 Gen 2x2 ports, or USB 4 ports, which are similarly absent on the Sapphire B650M-E.

Connectors:
USB 3.2 Gen 1 ports (through expansion) 2 2
USB 2.0 ports (through expansion) 4 4
SATA 3 connectors 4 4
USB 3.0 ports (through expansion) 2 2
M.2 sockets 2 2
U.2 sockets 0 0
Has mSATA connector ✕ ✕
SATA 2 connectors 0 0

The MSI Pro B840M-B and Sapphire B650M-E offer identical configurations in terms of connectors. Both motherboards feature 2 USB 3.2 Gen 1 ports through expansion, 4 USB 2.0 ports through expansion, 4 SATA 3 connectors, and 2 USB 3.0 ports through expansion. Additionally, both motherboards are equipped with 2 M.2 sockets and lack U.2 sockets or SATA 2 connectors.

Neither the MSI Pro B840M-B nor the Sapphire B650M-E includes an mSATA connector, as specified in their specs.

Overall, the connector options for these two motherboards are exactly the same in this category.

Expansion slots:
PCIe 4.0 x16 slots 1 1
PCIe 5.0 x16 slots 0 0
PCIe 3.0 x16 slots 0 0
PCIe x1 slots 1 0
PCI slots 0 0
PCIe 2.0 x16 slots 0 0
PCIe x4 slots 0 1
PCIe x8 slots 0 0

The MSI Pro B840M-B and Sapphire B650M-E both feature a PCIe 4.0 x16 slot, allowing for high-speed graphics card connections. However, their configurations differ slightly when it comes to additional expansion slots. The MSI Pro B840M-B includes 1 PCIe x1 slot, but does not have any PCIe x4 slots. In contrast, the Sapphire B650M-E includes 1 PCIe x4 slot but lacks a PCIe x1 slot. Neither motherboard offers PCI slots, PCIe 3.0 x16 slots, PCIe 2.0 x16 slots, or PCIe x8 slots.

In summary, while both boards offer a single PCIe 4.0 x16 slot, the MSI Pro B840M-B provides a PCIe x1 slot that the Sapphire B650M-E lacks, while the Sapphire board includes a PCIe x4 slot not found on the MSI board.

Audio:
audio channels 7.1 5.1
Has S/PDIF Out port ✕ ✕
audio connectors 3 3

The MSI Pro B840M-B and Sapphire B650M-E both offer similar audio features with three audio connectors each. However, they differ in their supported audio channels. The MSI Pro B840M-B supports 7.1 audio channels, providing a more immersive audio experience compared to the 5.1 audio channels supported by the Sapphire B650M-E.

Neither motherboard includes an S/PDIF Out port, which is typically used for high-quality digital audio output. This feature is absent in both models.

In summary, the MSI Pro B840M-B offers a higher channel count for audio, while both boards share the same number of audio connectors and lack an S/PDIF Out port.

Storage:
Supports RAID 0+1 ✕ ✕

Both the MSI Pro B840M-B and the Sapphire B650M-E do not support RAID 0+1, as indicated in their specifications. This means that neither motherboard offers support for these specific RAID configurations, which are commonly used for combining data redundancy and performance improvement in storage setups.

In summary, the storage capabilities regarding RAID 0+1 are identical for both boards, with neither providing support for this feature.

Comparison Summary

This is a specification comparison between MSI Pro B840M-B and Sapphire B650M-E. Both motherboards share key features such as the AM5 CPU socket, a Micro-ATX form factor, and support for DDR5 memory. However, the two products differ in several aspects. The MSI Pro B840M-B uses a B840 chipset, while the Sapphire B650M-E uses a B650 chipset. The MSI Pro B840M-B supports a maximum memory of 128GB, compared to the Sapphire B650M-E's 96GB. The MSI board also has RGB lighting and USB Type-C support, which are absent on the Sapphire B650M-E. Additionally, the MSI Pro B840M-B features a PCIe x1 slot and 7.1 audio channels, while the Sapphire B650M-E offers a PCIe x4 slot and 5.1 audio channels.