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Data Centers : San Jose, California

Osiris SJC1

The major gateway of all Silicon Valley data peering, Market Post Tower (operated by CoreSite) is located in the heart of downtown San Jose, California. With 70% of the Internet traffic from the Western United States and 40% of the world Internet traffic passing through the building, Market Post Tower truly is a nexus of international data routing.

Built in 1984 and renovated in 2001, the 309,000 square-foot data center and office building is often referred to as the “Gold Building” due to its golden glass reflection. CoreSite San Jose has been at the heart of the world’s Internet routes since the MAE-West emerged there in the late 1990s.

CoreSite’s San Jose data center has diverse fiber points of entry and excellent rooftop line-of-site opportunities. CoreSite San Jose offers customers the ability to connect to over 100 onsite networks and service providers as well as nearly 200 through Any2 California, CoreSite’s distributed exchange point that connects the company’s California data centers.


SAS 70 Type II certified



N+1 cooling systems



Access to nearly 200 networks through Any2 California, CoreSite’s distributed exchange point that connects the company’s California data centers



24×7 staffing and site access and CCTV surveillance




24×7 remote hands and mechanical & electrical monitoring, including branch-circuit monitoring from certified technicians


2N, N+1 or N AC UPS power, 2N DC power is available




Hosting Services

Our business-class hosting plans are feature-packed with the products, services and personal support you deserve. Upgrade to VPS or eCommerce when your business needs increase. Migrate your existing site or build one quickly with our Website Builder. Upgrade to VPS or eCommerce when your business needs increase.

Virtual Private Servers (VPS) offer the control of a dedicated server with the affordability of traditional shared hosting. A typical dedicated server runs idle 85% of the time; avoid the price premium. VPS solutions are environmentally and economically friendly.


Our fully managed servers and support go beyond the normal plans that just give you hardware. Get full access to your data and any specialized access rights required. We take full responsibility for the O/S, all installed applications, security patches, service packs, server hardware, power, cooling, switches, routers and bandwidth.


Registering your domain is the first step in developing your online presence. Secure your online business address before someone else does. Domain forwarding, domain locking, private domain registration or complete DNS management. Upgrade to a Web hosting plan at any time.



Increase your business’s efficiency with Hosted Microsoft Exchange 2013 and 2016. It includes many new features to help your employees boost their productivity by offering a consistent inbox, calendaring and contacts experience across the PC, browser and mobile phone.


Since 1997, Osiris Communications has been providing high-quality colocation services.  Multi-pathed, high capacity bandwidth, 24/7 facility monitoring, flexible IP address assignment, and technical support upon request. Our Tier 1 data center provides HVAC environmental systems, digital surveillance, stringent security, conditioned uninterruptible power, multiple access levels, including escorted guards, and biometric scanners.