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Item#: N82E16813135171

ECS 661FX-M7 (1.1) LGA 775 SiS 661FX Micro ATX Intel Motherboard

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Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • SiS 661FX
  • Pentium 4 Prescott / Celeron D
  • DDR 400

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The ECS 661FX-M7 ATX Motherboard is an excellent replacement board or for a good value for your build. This one's compatible with most of the boards and chips already in your box. It's built around the SiS 661FX and SiS 964 chipsets and supports 800/533 MHz FSB Pentium 4 Prescott/Celeron D processors with Hyper-Threading Technology. Its Dual Channel DDR 400 architecture lets you use your current RAM and upgrade the system memory to up to 2 gigabytes.

This versatile board is equipped with 4X/8X AGP slot that allows you to further kick up your graphics an 8X AGP card. Its three PCI slots offer better flexibility while the four ATA connectors (2 x SATA 1.5 Gb/s + 2 x PATA) connect both SATA and IDE drives. The on-board Realtek ALC655 6-Channel audio Codec delivers high-quality audio output, and Realtek's 8201BL PHY LAN chipset offers easy and consistent Internet connection. 4 USB 2.0 ports provide data transfer to 480 Mbps. Color-coded pin headers and slots making putting things together a snap!

  • newegg SiS661FX+SiS964 Chipset The SiS661FX implements a well-designed format that enables Pentium 4 Front Side Bus, DDR RAM and AGP 8X for optimal performance. The powerful chipset provides superior image qualities that totally redefine the top-of-the-line graphic standard of integrated chipsets. The SiS964 Southbridge provides advanced USB 2.0 and SATA connections for excellent connectivity and expandability.
  • newegg Integrated SiS Mirage Graphic Engine The integrated SiS Mirage GPU features a high performance graphic engine to eliminate the need for an independent video card.
  • newegg AGP 8X Support The ECS 661FX-M7 features a highly flexible and scalable architecture with an external AGP 8X port for optional graphics card upgrades. Providing double the bandwidth of AGP 4X, the AGP 8X video card slot produces smoother video streaming and faster, seamless gameplay.
  • newegg Serial ATA with RAID The revolutionary Serial ATA interface provides scalable performance for storage devices. SATA technology enables easy-to-install, high-performance and low-power hard drives. Two SATA ports support RAID 0 and RAID 1 for better performance and data security respectively.

Learn more about the ECS (EliteGroup) 661FX-M7 (1.1)

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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