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Black ATX motherboard with gold capacitors and black expansion slots

ASRock

ASRock Fatal1ty 990FX Killer AMD Motherboard AM3+/AM3 DDR3 64GB

SKU CH-DCS5-7G121

ATX board for AM3+/AM3 CPUs with 990FX chipset, 64 GB DDR3 limit, three PCIe 2.0 x16 slots, Killer E2200 LAN and 7.1 audio

  • CPU Socket TypeAM3+/AM3
  • CPU TypePhenom II
  • Supports 8-core AM3+ processors for high multi-thread performance
  • 8+2 Digi Power phases deliver stable voltage under heavy loads
  • DDR3 up to 2450 MHz overclocked for faster memory throughput
  • Killer E2200 Gigabit LAN reduces network latency in games
  • Realtek ALC1150 7.1-channel audio with DTS Connect for immersive sound

Socket AM3+ platform

This ATX motherboard is built around the AMD 990FX northbridge and SB950 southbridge. It accepts AM3+ and AM3 processors including Phenom II and Athlon II families up to a 140W TDP. The board is aimed at enthusiasts who want an 8-core capable platform with extensive multi-GPU support.

Memory capacity and headroom

Four DDR3 DIMM slots deliver dual-channel operation with a maximum capacity of 64 GB. Supported speeds range from 1066 up to 2450 when overclocked. The 32-bit operating system limitation means usable memory may be below 4 GB in that environment.

Power phase design

An 8 + 2 Digi Power phase layout feeds the CPU socket with premium gold capacitors. This configuration is the primary specification that determines whether the board can sustain heavy overclocking on high-wattage processors.

Highlights

  • Supports 8-core AM3+ processors for high multi-thread performance
  • 8+2 Digi Power phases deliver stable voltage under heavy loads
  • DDR3 up to 2450 MHz overclocked for faster memory throughput
  • Killer E2200 Gigabit LAN reduces network latency in games
  • Realtek ALC1150 7.1-channel audio with DTS Connect for immersive sound

Specifications

CPU Socket TypeAM3+/AM3
CPU TypePhenom II

Questions about this item

Will my existing DDR3-1600 modules run at their rated speed on this board?

Yes, the four DIMM slots natively support DDR3 1600 non-ECC un-buffered memory up to 64GB total capacity.

How can I confirm the Killer E2200 LAN is active after assembly?

The Qualcomm Atheros Killer E2200 Gigabit LAN will appear in Device Manager and its driver utility shows link speed and packet prioritisation.

Does the box include an M.2 mounting screw and a CrossFireX bridge for multi-GPU setups?

The board provides one M.2 slot and three PCIe 2.0 x16 slots for AMD 3-Way CrossFireX; screws and bridges are typically bundled with the drives or graphics cards.

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