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Gartner Identifies Curvature as a Top Performer

An industry leader in new and pre-owned network hardware and data center solutions, Curvature is transforming how companies procure, maintain and upgrade data center and networking equipment. Curvature today is a complete IT and networking solutions partner that offers you choices instead of mandates. Alternatives over requirements. Opportunities not objections. When building your networking infrastructure from the ground up, we provide lower cost options with an ISO certified better-than-new performance rate. To upgrade your system, we design around infrastructure already in place, no matter the generation. And when ensuring you’re getting the most out of your network, we scan, assess and monitor for less – so you never have to choose between performance and cost.

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Curvature is the world’s leading provider of pre-owned and new networking and data center solutions.

Curvature pioneered the secondary market for networking equipment, created new standards of excellence in the industry and liberated IT managers across the globe from the compromises they are forced to make every day.

Over 10,000 organizations worldwide rely on us for used networking equipment, used servers, optics, and alternative network maintenance solutions.

Headquartered in Santa Barbara, California, Curvature is an independent reseller of pre-owned equipment from Cisco, Juniper, HP, IBM, Arista, A10 and other manufacturers and is a Premier member of Dell's PartnerDirect Program. Curvature also offers NetSure® Maintenance Program, a complete and customizable network coverage solution and affordable alternative to traditional OEM maintenance.

All equipment sold by Curvature, including our most popular used Cisco equipment, is thoroughly tested in our state-of-the-art, CCIE-developed facilities. Because Curvature holds ISO 9001:2008 and TL 9000 certifications, we ensure the highest standards in equipment testing, customer care, and order fulfillment. This elite level of quality control means our processes are third-party verified to be among the best in the world.

Expansive Selection and Service

For those seeking legacy router and switch solutions no longer supported by Cisco, Curvature offers flexible technical solutions and products to integrate with your current system. Our expert support staff can provide solutions to facilitate sparing to avoid hefty service agreements. With innovative solutions and the extensive ability to acquire virtually any router you require, Curvature delivers the highest level of device at the lowest possible cost to you. Our inventory spans Cisco's end-of-life (EoL) and current lines, to perfectly suit your business needs. You can also eliminate hefty annual maintenance fees by implementing a sparing strategy with new and used Cisco routers and switches from Curvature at 50%-90% below manufacturer list prices.

As the world's largest, leading dealer of refurbished and used Cisco equipment, Curvature carries over $200 million in inventory. Our selection of end-of-life (EoL), end-of-sale (EoS), and hard-to-find legacy routers and switches complements our lines of current-generation Cisco Routers and Switches, which are always in stock. We carry the highest-quality, most rigorously tested used and refurbished network Cisco routers.

New and Used Cisco Equipment

Curvature carries the full range of new and used Cisco products, such as routers, switches, and memory, providing the highest levels of speed and availability. Our inventory includes the best in pre-owned networking equipment, spanning Cisco's 800, 1800, 2800, 3800, 1900, 2900, 3900, 7200, 7300, 7600, ASR and GSR 12000 Series Routers, and Cisco switches, with the Catalyst 2950, 3550, and 6500 series. Some of our popular products include the Cisco WS-X6704-10GE, WS-X6708, WS-SUP-720, AND WS-X6748. For optimal user-level LAN access, extending the life of network infrastructure or expansion of a campus area network, our selection of new and used Cisco equipment caters to your business or organization's specialized needs.

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Flexible Expert Support on Used Cisco Equipment

You have the choice to cover all of your used Cisco equipment with Curvature's NetSure® maintenance program, a complete and customizable network maintenance solution and an affordable alternative to traditional OEM maintenance. NetSure® offers a complete network maintenance solution to maximize network performance, extend equipment life, and reduce cost without increasing risk.

Other Major Brands


At Curvature, you can buy used Juniper network equipment including routers, Netscreen firewall, and other application acceleration devices. Juniper is a leading provider of core routing, edge routing and network security solutions for IP-based enterprise and carrier-class networks. Curvature offers pre-owned, refurbished, and used Juniper equipment and maintains the capital and resources to carry the largest inventory of second-hand Juniper product available on the market.


Brocade is a leading provider of high-performance enterprise and service provider switching, routing, security, and web traffic management solutions. Curvature carries the largest selection of refurbished & used Brocade equipment including FastIron Layer 2/3 LAN switches, BigIron Layer 3 Backbone switches, the EdgeIron series of 10/100, 10/100/1000, and 10-Gigabit Ethernet switches. All Brocade modules and accessories are also available.

NetSure® Network Maintenance

Curvature's NetSure® maintenance program is a complete and customizable network maintenance solution and affordable alternative to traditional OEM maintenance. With NetSure®, you can save as much as 50%-90% on network hardware maintenance and data center support without compromising your network and data center protection. All of your equipment can be covered, including routers, switches, servers, and optics.

The Smart Alternative to Cisco SMARTnet®

In an environment where IT managers are constantly challenged to ensure their systems are fully operational while managing costs, NetSure® offers a complete third-party maintenance solution to maximize network performance, extend equipment life, and reduce cost without increasing risk. NetSure® offers a customized and financially manageable solution for firms straining to meet network and budget requirements.

Speed and Reliability

Backed by global distribution centers in Santa Barbara, Amsterdam, and Singapore that can reach every major market in 24 hours and an expert technical team with 15+ years of network root cause analysis, NetSure guarantees 24/7 global technical support and advanced hardware replacement (options include next-business-day, 4-hour, and onsite spare).

Extending End of Life with NetSure

Manufacturers often announce product end of life long before equipment upgrade or replacement is necessary. NetSure's alternative to Cisco maintenance offers full support of current and previous-generation equipment (for as long as you own it), putting the control of your network, refreshes, and upgrades back in your hands. This especially applies to popular used Cisco equipment, offering you the flexibility to manage your network up to your standards

Used Servers and Storage

Curvature offers a complete line of used server and storage equipment from HP, IBM, and other major manufacturers. We provide fully configured servers and storage to meet any requirement, so you have the freedom to choose whatever form factor or footprint needed for your business. Our inventory includes HP Proliant Servers and IBM System X Series, along with current and previous generation rack and blade servers. In addition, as a Dell Premium Partner, Curvature also offers new Dell Servers such as the popular Dell PowerEdge Rack servers.

Availability and Agility

With competitive secondary market prices at 40%-60% off OEM list price, Curvature can source and configure high-quality used servers for any customer configuration or requirement without the long lead times. We stock HP, IBM, and other major manufacturer server and storage equipment in our Santa Barbara, Amsterdam, and Singapore distribution centers, enabling quick delivery to any major city in the world.

Because Curvature holds ISO 9001:2008 and TL 9000 certifications, we ensure the highest standards in equipment testing, customer care, and order fulfillment. Your equipment arrives configured and tested to your specifications, ready for immediate deployment. Every chassis and component is tested for performance and reliability, and all products are covered by a lifetime warranty.

Data Center Maintenance

With optional NetSure maintenance, you can save as much as 50%-90% on data center maintenance as well as network maintenance. Our NetSure maintenance and support services on all used server and storage equipment can be customized to any product, solution, or budget.

Premier Partner of Dell PartnerDirect

Curvature is part of Dell's PartnerDirect program as a Premier Dell Partner. This means Curvature has access to the technology, training, and best practices of all Dell Enterprises areas, encompassing products and services, which provide customers with a more robust offering as they look to assess their current network infrastructure.

Curvature Optics & Memory

Curvature offers its own line of carrier-class compatible optical transceivers that work with a broad array of vendors and meet OEM specifications and requirements. Curvature's full selection of optical transceivers are offered at 70%-90% off traditional OEM prices and are tested and verified across a wide range of products and platforms. Curvature optical transceivers are compatible with all major manufacturers of networking equipment including Cisco, Juniper, Dell, Extreme, and Brocade,. Curvature offers 100MB, 1GB, and 10GB optical transceivers, available for all common form factors including SFP, SFP+, X2, XENPAK, XFP, and GBIC.

Curvature also sells the same tier 1 server memory that the OEM ships at over 40% discount off of list price.  Curvature DDR3 RAM is available in 8GB, 16GB and 32GBs.  All testing and order management processes for Curvature products adhere to ISO 9001:2008 and TL 9000 standards, ensuring the highest standards in equipment testing, customer care, and order fulfillment. We are so confident in the long-term performance of Curvature equipment that we offer a true lifetime warranty on all types.

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