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// ORBITAL INVENTORY

MSI board, 244 x 226 mm, 6 rear USB ports, BIOS flashback (Q-Flash Plus). Supports AMD Ryzen 9000 / 8000 / 7000 Series.

MFR WARRANTY
Manufacturer terms apply MSI → (opens in a new tab)
NIMBUS COVERAGE
1 Year →
SHIPS FROM
Low Earth Orbit
FREIGHT
Free · contiguous USA

The MSI PRO B840M-B is an AM5 mATX motherboard built on AMD's B840 chipset, with 2 DDR5 DIMM slots for up to 128 GB, 2 M.2 slots and 2.5GbE LAN.

  • Platform AM5 · B840 chipset · AMD Ryzen 9000 / 8000 / 7000 Series
  • Memory 2x DDR5 DIMM · up to 128 GB · DDR5 up to 8000 MT/s (OC)
  • Expansion 1x PCIe 4.0 x16, 1x PCIe 3.0 x1 · 2x M.2 (2x PCIe 4.0) · 4x SATA 6Gb/s
  • Connectivity 2.5GbE LAN (Realtek 8125D 2.5GbE) · Realtek ALC897 audio
  • Rear I/O 6 USB (4x USB-A 5Gbps, 2x USB 2.0) · 1x HDMI · BIOS flashback (Q-Flash Plus)

Ships from NIMBUS Cybertech, Dallas TX. Free shipping within the contiguous USA.

[ SPEC MANIFEST ]
[ CORE TELEMETRY ] LIVE FEED
AM5
CPU SOCKET
B840
CHIPSET
2 DIMM
MEMORY SLOTS
2 M.2
STORAGE SLOTS
[ PARAMETER TABLE ] // 28 PARAMETERS
[ PLATFORM ] SPEC·01
Socket AM5
Chipset B840
CPU Platform AMD
Form Factor mATX
CPU Support AMD Ryzen 9000 / 8000 / 7000 Series
BIOS Flashback Yes
Generation Current
[ MEMORY ] SPEC·02
Memory Type DDR5
DIMM Slots 2
Max Memory 128 GB
Max OC Speed DDR5 up to 8000 MT/s (OC)
Memory Profiles AMD EXPO
[ EXPANSION ] SPEC·03
PCIe x16 Slots 1x PCIe 4.0 x16, 1x PCIe 3.0 x1
PCIe Gen 4.0
M.2 Slots 2x M.2 (2x PCIe 4.0)
M.2 Gen 4.0
SATA Ports 4x SATA 6Gb/s
[ CONNECTIVITY ] SPEC·04
LAN 2.5 Gbps
LAN Chip Realtek 8125D 2.5GbE
Wi-Fi None
Display Outputs 1x HDMI
Audio Realtek ALC897
[ PHYSICAL ] SPEC·05
Dimensions 244 x 226 mm
Color Black
Brand MSI
Condition NEW
MFR Part PRO B840M-B
[ SUPPORT ] SPEC·06
NIMBUS 1 Year →

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