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ATX motherboard with AM4 socket, black PCB and silver I/O shield

ASUS

ASUS PRIME B350-PLUS AMD motherboard M.2 A

SKU CH-S65Y-FZWP6

AM4 ATX motherboard with B350 chipset, six PCIe slots and four M.2 slots, sold with I/O shield only

  • CPU socketAM4
  • ATX form factor fits standard cases and full-size expansion slots
  • B350 chipset with AM4 socket for compatible desktop processors
  • Four M.2 slots provide multiple high-speed storage options
  • SafeSlot and LAN Guard reinforce critical connections
  • AI Suite 3 and Turbo LAN software utilities included

ASUS PRIME B350-PLUS AM4 ATX Motherboard

This ASUS PRIME B350-PLUS motherboard uses the B350 chipset and AM4 socket in an ATX form factor. It provides six PCIe slots and four M.2 slots for expansion and storage. The board includes SafeSlot, LAN Guard and overvoltage protection hardware features. Software utilities include AI Suite 3, AI Charger and Turbo LAN.

For AM4 system builders needing multiple M.2 slots

Suits builders assembling a new AM4 system who want four M.2 slots and six PCIe slots on an ATX board. The bundle supplies only the motherboard and I/O shield, so buyers who need SATA cables, Wi-Fi antennas, SLI bridges or driver media must source those separately. Not for users requiring bundled accessories or retail packaging.

B350 chipset with four M.2 slots

The B350 chipset combined with four M.2 slots is the specification that defines this board's storage capacity. Six PCIe slots add further expansion headroom for add-in cards. SafeSlot and LAN Guard reinforce physical and network durability. AI Suite 3, AI Charger and Turbo LAN provide the software control layer.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $75.99
Cheaper than about 84% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Processor
CPU socketAM4

Questions about this item

What PCIe standard does the B350 chipset use for the M.2 slot, and what does that limit in practice?

The B350 chipset runs the M.2 slot over PCIe 3.0 lanes, so peak throughput is capped at the PCIe 3.0 x4 limit.

What physical clearance does the ATX form factor need in a case?

The board measures standard ATX dimensions, so the case must accept a full-size ATX motherboard with matching standoff holes.

How is the I/O shield fitted, and what step do builders often skip?

The included I/O shield must be pressed into the case rear cut-out from the inside before the motherboard is lowered into place; many forget to seat it first.

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