Google Search Appliance

The Google Search Appliance is a rack-mounted device providing document indexing functionality, that can be integrated into an intranet, document management system or web site using a Google search-like interface for end-user retrieval. It is manufactured and distributed by Google, and is aimed primarily at the corporate market.
The device is supplied in a number of models, ranging from an entry-level appliance capable of indexing up to 500,000 documents, to a full rack of appliances, which can handle up to 30 million. Sales are operated on a licensing scheme which starts as a two-year contract for maintenance, support and software updates

Google Mini
The Google Mini offers the simplicity and power of Google's enterprise search technology. An integrated hardware and software solution, the Mini offers true plug-and-play installation and can be purchased online. Whether you're looking to search your company's internal information or your public website, the Mini has the features for your business.
Search your corporate data and improve employee productivity With the Google Mini, you can offer employees relevant and secure search across intranets, file servers, and business applications. Employees' familiarity with Google's user interface from searching on Google.com will facilitate adoption in your enterprise, and instant access to corporate information will make them more productive.
Add search to your public website for increased conversion rates and page views If you operate a public website, you probably already know that your visitors rely on search to find products and information on your site. When visitors cannot find what they search for, they leave your site. With relevant search results, they'll be more likely to purchase from and return to your website.
The Google Mini's relevant search results and customizable user interface make it a perfect solution for website search. Integration with Google Sitemaps also makes it easy to submit your website for inclusion in Google.com search results.
The Google Mini works with over 220 different file formats and its integration with existing security systems ensures that employees can only access information they are supposed to view.