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Green ATX motherboard with silver heatsinks and black expansion slots

MSI

MSI B85-G41 PC MATE-R Intel motherboard

SKU CH-X52F-AX758

ATX board for LGA 1150 CPUs with four DDR3 slots up to 32 GB, one PCIe 3.0 x16, one PCIe 2.0 x4, two PCIe x1, two legacy PCI, four SATA 6 Gb/s, Realtek ALC887 8-channel audio and gigabit LAN

  • CPU Socket TypeLGA 1150
  • CPU Type4th-generation Core i5, i7 (LGA1150)
  • ChipsetIntel B85
  • Number of Memory Slots4x240pin
  • Memory StandardDDR3 1066/1333/1600
  • Maximum Memory Supported32GB
  • Supports 4th-generation Intel Core processors with LGA 1150 socket
  • Four DDR3 memory slots accept up to 32 GB at 1066/1333/1600 MHz
  • Realtek ALC887 codec delivers 8-channel high-definition audio
  • One PCI Express 3.0 x16 slot plus one x4 slot for multi-GPU flexibility
  • Four SATA 6 Gb/s ports plus two SATA 3 Gb/s ports for storage expansion

Socket LGA 1150 ATX board

This MSI motherboard uses the Intel B85 chipset and fits LGA 1150 processors from the fourth Core generation. The ATX layout provides four DDR3 memory slots, a full-length PCI Express 3.0 x16 slot, a second x16 slot running at x4, two PCI Express x1 slots and two legacy PCI slots. Rear I/O includes HDMI, two PS/2 ports, two USB 3.0 ports and four USB 2.0 ports.

DDR3 1600 four-slot limit

Memory runs at 1066, 1333 or 1600 across four 240-pin slots in dual-channel mode, capping total capacity at 32 GB. Only DDR3 modules are supported; other memory types will not fit or function. Choose matched kits for best stability at the highest rated speed.

Standard ATX install, legacy quirks

Mounting follows normal ATX screw positions and the 24-pin plus 8-pin power connectors sit in usual locations. The two PCI slots sit below the graphics cards, so long coolers can block them. Front-panel USB 3.0 headers are absent, so case front USB 3.0 ports will not work unless the case provides a rear-pass-through cable.

Highlights

  • Supports 4th-generation Intel Core processors with LGA 1150 socket
  • Four DDR3 memory slots accept up to 32 GB at 1066/1333/1600 MHz
  • Realtek ALC887 codec delivers 8-channel high-definition audio
  • One PCI Express 3.0 x16 slot plus one x4 slot for multi-GPU flexibility
  • Four SATA 6 Gb/s ports plus two SATA 3 Gb/s ports for storage expansion

Specifications

BrandMSI
ModelB85-G41 PC MATE-R
CPU Socket TypeLGA 1150
CPU Type4th-generation Core i5, i7 (LGA1150)
ChipsetIntel B85
Number of Memory Slots4x240pin
Memory StandardDDR3 1066/1333/1600
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express 2.0 x161(running at x4)
PCI Express x12 x PCI Express x1
PCI Slots2 x PCI Slots
Serial ATA (SATA)4 x SATA 6Gb/s
Audio ChipsetRealtek ALC887
Audio Channels8 Channels
LAN ChipsetRealtek 8111G
Max LAN Speed1Gbps
Back I/O Ports1 x HDMI / 2 x PS/2 / 2 x USB 3.0 / 4 x USB 2.0/1.1
PS/22
Video PortsD-Sub + DVI
HDMI1 x HDMI
USB 3.02 x USB 3.0
USB 1.1/2.04 x USB 2.0
Audio Ports3 Ports
Onboard USB2 x USB 3.0 + 4 x USB 2.0
Other Connectors1 x ATX 24-Pin power connector/1 x 8-pin ATX 12V power connector/CPU x 2 / System x 3 FAN connectors/1 x Clear CMOS jumper/1 x Serial port connector/1 x TPM Module connector/1 x Parallel Port connector/1 x Front Panel Audio connector/1 x Front Panel connector/1 x Chassis Intrusion connector
Form FactorATX
Dimensions (W x L)12" x 8.66"
Power Pin24 Pin
FeaturesSupports 4th Gen Intel Core / Pentium / Celeron processors for LGA 1150 socket//Supports DDR3-1600 Memory//USB 3.0 + SATA 6Gb/s//Military Class 4: Top Quality & Stability//Military Class Essentials: Total Protection for Military Class Motherboards//OC Genie 4: Overclock in 1 Second//Click BIOS 4: Easily Fine-tune Your System//4K UHD Support: Ultra-high Definition Visual Experience//3 Display Outputs: HDMI/DVI/D-Sub Support//PCI Express Gen 3: World's 1st PCI Express Gen 3 Motherboard Brand//Multi-GPU: AMD CrossFire Support//Command Center: Control & Customize Your PC Settings

Questions about this item

How does the 32 GB DDR3 limit affect a build using all four 240-pin slots?

Each slot accepts up to 8 GB DDR3 modules running at 1066, 1333 or 1600 MT/s, so populating all four reaches the 32 GB ceiling in dual-channel mode.

What does the single PCI Express 3.0 x16 slot mean for graphics-card bandwidth?

The primary slot delivers full PCI Express 3.0 x16 bandwidth to the GPU, while the second x16-size slot is wired for x4 and the two x1 slots share PCI Express 2.0 lanes.

Will this ATX board fit a standard chassis and what power connectors are required?

The board follows ATX dimensions with a 24-pin main power connector and a 4-pin CPU power header; it mounts on standard ATX standoffs and uses the regular I/O shield cut-out.

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