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ATX motherboard, dark PCB with grey and black expansion slots, metallic heatsinks, rear I/O panel visible

ASUS

ASUS B85-PRO GAMER LGA 1150 DDR3 32GB ATX Intel motherboard

SKU CH-81EB-45Z5S

ATX motherboard with Intel B85 chipset, LGA 1150 socket and dual-channel DDR3 up to 32 GB

  • CPU Socket TypeLGA 1150
  • CPU TypeSupport LGA1150 slot Intel 4th generation core i7/i5/i3/Pent
  • ChipsetIntel B85
  • Memory StandardSupports dual-channel DDR3 1600/1333/1066MHz memory
  • Maximum Memory Supported32GB
  • PCI Slots1 xPCI Express 3.0/2 x16 expansion card expansion slot (grey
  • Supports 4th-gen Intel Core i7/i5/i3 on LGA 1150 socket
  • Dual-channel DDR3 up to 1600 MHz with 32 GB maximum capacity
  • SupremeFX 8-channel audio codec for high-fidelity sound
  • Intel Gigabit LAN with GameFirst II prioritisation for low-latency gaming
  • ATX form factor 30.5 x 21.8 cm with PCIe 3.0 x16 and multiple expansion slots

ASUS B85-PRO GAMER Intel B85 Motherboard

This ATX motherboard uses the Intel B85 chipset and an LGA 1150 socket for 4th generation Intel Core i7, i5, i3, Pentium and Celeron processors. It supports dual-channel DDR3 memory at 1600, 1333 and 1066 MHz up to a maximum of 32 GB. The board includes SupremeFX 8-channel audio and an Intel Gigabit LAN controller with GameFirst II technology.

Who this suits and who should look elsewhere

Builders upgrading or repairing an LGA 1150 system will find the required socket, chipset and DDR3 support here. The single PCI Express 3.0 x16 slot handles one modern graphics card, while four SATA III and two SATA II ports connect multiple drives. Buyers who need more than one full-speed x16 slot, M.2 connectivity or a newer memory standard should choose a different platform.

Capacity and headroom

Four DIMM slots accept up to 32 GB of DDR3, giving ample headroom for multitasking and older titles. The single PCIe 3.0 x16 slot provides full bandwidth for one graphics card; a second card would run at x4 electrical speed from the PCIe 2.0 slot. Six SATA ports support several SSDs or hard drives, but the board lacks native M.2 or U.2 interfaces for faster storage.

Highlights

  • Supports 4th-gen Intel Core i7/i5/i3 on LGA 1150 socket
  • Dual-channel DDR3 up to 1600 MHz with 32 GB maximum capacity
  • SupremeFX 8-channel audio codec for high-fidelity sound
  • Intel Gigabit LAN with GameFirst II prioritisation for low-latency gaming
  • ATX form factor 30.5 x 21.8 cm with PCIe 3.0 x16 and multiple expansion slots

Specifications

BrandASUS
SeriesASUS B85-PRO GAMER
ModelASUS B85-PRO GAMER
CPU Socket TypeLGA 1150
CPU TypeSupport LGA1150 slot Intel 4th generation core i7/i5/i3/Pentium/Celeron processor
Supports 22nm processors
Supports lnte Turbo Boost 2.0 technology *
ChipsetIntel B85
Memory StandardSupports dual-channel DDR3 1600/1333/1066MHz memory
Maximum Memory Supported32GB
PCI Slots1 xPCI Express 3.0/2 x16 expansion card expansion slot (grey, x16 mode)
1 xPCIExpress 2.0 x16 expansion card expansion slot (black, maximum x4 mode, compatible with PCIe x1 and x4 devices)
2 xPCI Express 2.0 x1 expansion card expansion slots
3 xPCI expansion card expansion slots
SATA RAID4XSATA III interface, 2xSATA II interface
Audio ChipsetSupremeFX8 channel high fidelity audio codec chip
LAN ChipsetIntel Gigabit network interface card a game player preferred GAMEFIRSTII game without delay I generation
Onboard USBInte B85 Express Chipset
4 xUSB 3.0/2 ports * (2 in the center of the main board, 2 on the rear panel)
8 xUSB 2.0 connection ports (4 in the center of the main board, 4 on the rear panel)
* Support ASUS USB 3.0 Boost

Questions about this item

Which Intel processors fit the LGA 1150 socket on this board?

The socket accepts 4th-generation Core i7, i5, i3, Pentium and Celeron CPUs built on 22 nm technology with Turbo Boost 2.0 support.

Will a graphics card in the primary PCIe 3.0 x16 slot share bandwidth with the secondary x16 slot running at x4?

The primary slot operates at full x16 speed while the secondary slot is limited to x4; both can be populated simultaneously without reducing the primary link.

How can I confirm the SupremeFX 8-channel audio is active after assembly?

Boot into the OS, open the audio control panel and verify that eight output channels are detected and selectable for playback.

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