Sigma Computer Systems


Sigma Computer Systems has been providing quality computer services to Kemptville and surrounding areas since 1997.

We were established with the main objective of providing affordable, qualified computer services to smaller urban areas. Our main focus is computer repairs, upgrades, networking and computer sales - both new and used systems and laptops.

Please contact us for product pricing and other company related information.



Featured Products


Lenovo T460 - Refurbished

$499.00 In Stock

14", Intel Core i5 6th Gen, 8GB, 240GB SSD (New), Windows 10 Pro


Lenovo T440 - Refurbished

$399.00 In Stock

14", Intel i5 Processor 4th Gen, 8GB, 240GB SSD (New), Windows 10 Pro


Lenovo Thinkpad T470 - Refurbished

$549.00 N/S

14", Intel i5 6th Gen, 8GB DDR RAM, 480GB SSD (New), Windows 10 Pro

Lenovo T460S - Refurbished

$529.00 In Stock

14", Intel Core i5, 6th Gen, 8GB RAM - 500GB m.2 SSD (New) - Windows 10 Pro

"The Ryan’s Well Foundation is grateful for the excellent service and advice given and highly recommends Sigma Computers. Their attention to detail as well as available support has been very much appreciated."

Home and Business Systems

  • Asus H370-A-CSM Mainboard
  • Integrated Video, Network, Sound
  • INTEL i3 8100 Processor
  • CRUCIAL DDR4 2400 4GB 8GB (2x4)
  • Samsung 250GB EVO 860 Solid State Drive
  • LG DVD-RW
  • Coolermaster N200 Case
  • Thermaltake 600W Power Supply
  • Windows 10 Home Premium 64Bit
  • Monitor sold separately.

    $n/a
  • Authorized Reseller

    • Authorized Reseller

    Products Available

    • Cabling
    • Card Readers
    • CD/DVD Disc Medias
    • Computer Cases
    • Computer Systems
    • Cooling
    • Digital Cameras and Web Cams
    • Flash Drives
    • Gaming Accessories
    • Hard Drives
    • Hard Drives - External
    • Hard Drives - Notebook
    • Hard Drives - Solid State
    • Headphones and Microphones
    • Keyboards
    • LCD Monitors
    • Memory (RAM)
    • Mice
    • Motherboards
    • Network - Switches
    • Network - Wired
    • Network - Wireless
    • Notebook Accessories
    • Notebooks
    • Power Protection
    • Power Supplies
    • Processors
    • Sound Cards
    • Speaker Systems
    • Tablet PC
    • Video Capture Products
    • Video Cards