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MSI 770-C45 ATX motherboard, black PCB, silver heatsinks, AM3 socket, four DDR3 slots, one PCIe x16, two PCIe x1, three PCI

MSI

MSI 770-C45 AMD motherboard Socket AM3 DDR3 16GB ATX

SKU CH-AA42-93NPP

Socket AM3 board with AMD 770 chipset, dual-channel DDR3 up to 16 GB and one PCIe 2.0 x16 slot

  • ProcessorSupports 64-bit AMD Phenom II processors
  • ChipsetAMD 770
  • CPU socketSocket AM3
  • Supported memorySupports dual-channel DDR3 1600 (overclocking)/1333/1066/800
  • Max supported RAM16 GB
  • PCI slots1 PCI Express x16 slot, supports PCIE 2.0 × 16 speed executi
  • Supports 64-bit AMD Phenom II processors via Socket AM3
  • Dual-channel DDR3 up to 1600 MHz overclocked with 16 GB maximum capacity
  • Six SATA II ports for multiple storage drives
  • Realtek ALC888S audio chipset delivers 8-channel sound with Blu-ray support
  • Realtek 8111DL Gigabit LAN handles 10/100/1000 Mb/s speeds

Build foundation

The MSI 770-C45 is an ATX motherboard built around the AMD 770 chipset and Socket AM3. It targets builders assembling or repairing systems that run 64-bit AMD Phenom II processors with dual-channel DDR3 memory up to 16 GB.

Expansion layout

One PCI Express 2.0 x16 slot handles a graphics card while two x1 slots and three legacy PCI slots provide room for additional controllers. Six SATA II ports support RAID arrays, and six rear USB 2.0 ports handle peripherals without using front-panel headers.

Included extras

The box contains the board, a rear I/O shield, a replacement CMOS battery and three SATA cables. No driver disc or additional accessories are supplied, so operating-system media and any required software must be sourced separately.

How it compares

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

Price $39.99
Cheaper than about 94% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI 770-C45
Model nameMSI 770-C45
Processor
ProcessorSupports 64-bit AMD Phenom II processors
CPU socketSocket AM3
ChipsetAMD 770
Memory
Supported memorySupports dual-channel DDR3 1600 (overclocking)/1333/1066/800 MHz memory
Max supported RAM16 GB
Storage
SATA and RAID support6XSATA II interface
Audio & video
Audio chipRealtek ALC888S Chip
- Support Blu-ray sound output
- Supports 8-channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
Connectivity
Ethernet controllerRealtek PCI-E GbLAN Controller 8111DL Chip
- Integrate Fast Ethernet MAC and PHY into a single chip
- Supports 10Mb/s, 100Mb/s and 1000Mb/s
Compliant with PCI-Express bus specification v1.0a.
Ports & slots
PCI slots1 PCI Express x16 slot, supports PCIE 2.0 × 16 speed execution
2 PCI Express x1 slots
3 PCI slots, supporting 3.3v/5v PCI main bus interface
Onboard USB headers6 USB 2.0 ports (backplane)

Questions about this item

Will the AMD 770 chipset become the bottleneck before the CPU under sustained heavy loads?

The AMD 770 chipset limits PCIe bandwidth to the 2.0 generation and SATA throughput to SATA II speeds, so storage and expansion cards hit that ceiling first during extended use.

How loud and hot does the Realtek 8111DL LAN controller get when running at 1000 Mb/s all day?

The Realtek 8111DL controller integrates MAC and PHY in a single chip with no active cooling, so it runs silently and stays within normal motherboard temperatures at full gigabit throughput.

Which DDR3 modules must I already own to reach the 16 GB maximum on the four memory slots?

You need four unbuffered DDR3 DIMMs rated for 1333 MHz or 1066 MHz operation; the board supports 1600 MHz only through overclocking and caps total capacity at 16 GB.

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