RedisCache is a compatible client and ObjectCache added in .NET 4
var cache = new RedisCache("localhost");
cache.Set("foo", "bar", ObjectCache.InfiniteAbsoluteExpiration);
cache.Set("baz", 123, DateTimeOffset.Now.AddSeconds(10));
var results = cache.GetValues(new[] { "foo", "baz" });
foreach (var item in results)
{
Console.WriteLine("{0} - {1}", item.Key, item.Value);
}