40% OFF
ASUS PRIME B840-PLUS WIFI AM5 ATX Motherboard

ASUS PRIME B840-PLUS WIFI AM5 ATX Motherboard

Available at Newegg
$124.99$208.99price as of Oct 14, 2026, 12:05 PM
You save $84.00

On sale for $124.99 (was $208.99), this open-box ASUS PRIME B840-PLUS WIFI is a solid value if you need an AM5 board without spending a ton. It supports DDR5, PCIe 4.0, 3x M.2 slots, Wi‑Fi 6E, 2.5Gb LAN, USB 10Gbps Type-A and Type-C, plus BIOS FlashBack and Aura Sync RGB for easy building and upgrades.

View Deal at Newegg

AkiStation participates in retailer affiliate programs. We may earn a commission on outbound links, at no additional cost to you.

Product Details

Brand
ASUS
Condition
Used
Availability
In Stock
Model
PRIME B840-PLUS WIFI
Part Number
90MB1IZ0-M0AAY0
Chipset
AMD B840
CPU Type
Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ECC Supported
Yes
Memory Feature
Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO) ASUS Enhanced Memory Profile (AEMP)
CPU Socket Type
AM5
Memory Standard
Up to 7600+MT/s (OC)
Buffer Supported
Un-buffered
Channel Supported
Dual Channel
PCI Express 3.0 x16
AMD B840 Chipset 1 x PCIe 3.0 x16 slot (support x4 mode)*** 2 x PCIe 3.0 x16 slots (support x1 mode)*** *** The PCIEX16(G3)_1/3 and PCIEX1(G3) share bandwidth with PCIEX16(G3)_2. The PCIEX16(G3)_2 will run x1 mode when any of the PCIEX16(G3)_1/3 and PCIEX1(G3) slots is occupied.
PCI Express 4.0 x16
AMD Ryzen 9000 & 7000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
Number of Memory Slots
4x288pin (DDR5)
Maximum Memory Supported
192GB
Memory Performance Profile
AMD EXPO
Deal Found
Oct 14, 2026

About Newegg

  • Newegg is part marketplace — listings show "Sold and shipped by" so you can tell first-party Newegg stock from third-party sellers. Check seller ratings on marketplace items.
  • Many items ship free, but shipping and return policies vary per item and seller — check the listing's return policy link before buying.