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  • phone 909-933-3577
  • electro-marker-icon 12801 Mountain Ave Ste A Chino CA 91710
  • Currencies
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Computer Annex USA is a popular discount Retail Store. We have remained the go-to for IT business for over 21 years in Business, with more than 250, 000 customers like you. We are a family local business, on the same Mountain Avenue, here in Ontario, serving our community and beyond.  Come visit our Beautiful Store at: 910 N. Mountain Avenue, in Ontario, CA 91762, at the corner of  I Street and Mountain ( at Bank of America Building). You can shop Online at   We are the popular Discounter and Factory Certified Service and Repair Center for Computers and Consumer Electronics. Our goal is to make Technology Easy and Affordable for you. As a Value Added Reseller VAR, we pride ourselves in Quality and Friendly after-Sales Service and Repairs.  We stock large inventory of New and the Latest Technologies - Major Name Brands like Apple, Dell, HP, Panasonic, Samsung, Sony, Acer etc- , Notebook, Netbooks, Tablets, and iPods MP3/4 Players  in new original factory boxes at prices that will make great gifts for any occasion- products ideal for startup businesses and for families looking to stretch their budgets- HDTVs, DVR Video Security Systems, Point-of- Sale Software and Hardware, we Custom build PCs and Gamer PCs,  hard-to-find Accessory and a very knowledgeable staff that is ready to help. Our store is a bargain heaven for The Bargain Hunter.

All Used merchandise comes with a 90-Days Store Warranty. 

We invite you to experience the pride we take in delivering quality products and services; fair prices and honest answers.


We configure and build the most reliable NEW PC’s in the industry-bar none; from ordinary home PC, to Gamming PCs, from Professional Workstations to Enterprise Servers. Computer Annex Corp. is a Reputable OEM, Reseller and Broker of New and Refurbished computer and IT related Equipments. Our philosophy of recycling used computer and IT equipment goes beyond the base concept of most businesses. At CAUSA we believe that recycling otherwise unused and non functioning computer equipment is good for the environment, good for business, and most importantly, good for people. We distribute New and Refurbished computer and IT equipment both domestically and internationally to wholesalers, retailers, corporations, schools, government, and home end user customers. This distribution channel allows us to supply affordable top of the line business grade computer products for all levels of requirement. Now everyone can afford a computer and have access to the World Wide Web, e-mail, networking, and e-commerce anywhere in the world

We have been featured on many TV bargain shopping programs including consumer reporter Alan Mendelson’s Best Buys TV Show which is broadcast on KCAL-TV, KCOP-TV and KTLA-TV.  We need your support!