diff --git a/framework/yii/caching/RedisCache.php b/framework/yii/caching/RedisCache.php
index d31d66b..b64f000 100644
--- a/framework/yii/caching/RedisCache.php
+++ b/framework/yii/caching/RedisCache.php
@@ -10,7 +10,7 @@ namespace yii\caching;
 use yii\redis\Connection;
 
 /**
- * RedisCache implements a cache application component based on [redis](http://redis.io/) version 2.6 or higher.
+ * RedisCache implements a cache application component based on [redis](http://redis.io/) version 2.6.12 or higher.
  *
  * RedisCache needs to be configured with [[hostname]], [[port]] and [[database]] of the server
  * to connect to. By default RedisCache assumes there is a redis server running on localhost at
@@ -119,10 +119,7 @@ class RedisCache extends Cache
 	}
 
 	/**
-	 * Retrieves a value from cache with a specified key.
-	 * This is the implementation of the method declared in the parent class.
-	 * @param string $key a unique key identifying the cached value
-	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
+	 * @inheritDocs
 	 */
 	protected function getValue($key)
 	{
@@ -130,9 +127,7 @@ class RedisCache extends Cache
 	}
 
 	/**
-	 * Retrieves multiple values from cache with the specified keys.
-	 * @param array $keys a list of keys identifying the cached values
-	 * @return array a list of cached values indexed by the keys
+	 * @inheritDocs
 	 */
 	protected function getValues($keys)
 	{
@@ -146,55 +141,67 @@ class RedisCache extends Cache
 	}
 
 	/**
-	 * Stores a value identified by a key in cache.
-	 * This is the implementation of the method declared in the parent class.
-	 *
-	 * @param string $key the key identifying the value to be cached
-	 * @param string $value the value to be cached
-	 * @param float $expire the number of seconds in which the cached value will expire. 0 means never expire.
-	 * This can be a floating point number to specify the time in milliseconds.
-	 * @return boolean true if the value is successfully stored into cache, false otherwise
+	 * @inheritDocs
 	 */
-	protected function setValue($key,$value,$expire)
+	protected function setValue($key, $value, $expire)
 	{
 		if ($expire == 0) {
 			return (bool) $this->_connection->executeCommand('SET', [$key, $value]);
 		} else {
 			$expire = (int) ($expire * 1000);
-			return (bool) $this->_connection->executeCommand('PSETEX', [$key, $expire, $value]);
+			return (bool) $this->_connection->executeCommand('SET', [$key, $value, 'PX', $expire]);
 		}
 	}
 
 	/**
-	 * Stores a value identified by a key into cache if the cache does not contain this key.
-	 * This is the implementation of the method declared in the parent class.
-	 *
-	 * @param string $key the key identifying the value to be cached
-	 * @param string $value the value to be cached
-	 * @param float $expire the number of seconds in which the cached value will expire. 0 means never expire.
-	 * This can be a floating point number to specify the time in milliseconds.
-	 * @return boolean true if the value is successfully stored into cache, false otherwise
+	 * @inheritDocs
 	 */
-	protected function addValue($key,$value,$expire)
+	protected function setValues($data, $expire)
 	{
+		$args = [];
+		foreach($data as $key => $value) {
+			$args[] = $key;
+			$args[] = $value;
+		}
+
+		$failedKeys = [];
 		if ($expire == 0) {
-			return (bool) $this->_connection->executeCommand('SETNX', [$key, $value]);
+			$this->_connection->executeCommand('MSET', $args);
 		} else {
-			// TODO consider requiring redis version >= 2.6.12 that supports this in one command
 			$expire = (int) ($expire * 1000);
 			$this->_connection->executeCommand('MULTI');
-			$this->_connection->executeCommand('SETNX', [$key, $value]);
-			$this->_connection->executeCommand('PEXPIRE', [$key, $expire]);
-			$response = $this->_connection->executeCommand('EXEC');
-			return (bool) $response[0];
+			$this->_connection->executeCommand('MSET', $args);
+			$index = [];
+			foreach ($data as $key => $value) {
+				$this->_connection->executeCommand('PEXPIRE', [$key, $expire]);
+				$index[] = $key;
+			}
+			$result = $this->_connection->executeCommand('EXEC');
+			array_shift($result);
+			foreach($result as $i => $r) {
+				if ($r != 1) {
+					$failedKeys[] = $index[$i];
+				}
+			}
+		}
+		return $failedKeys;
+	}
+
+	/**
+	 * @inheritDocs
+	 */
+	protected function addValue($key, $value, $expire)
+	{
+		if ($expire == 0) {
+			return (bool) $this->_connection->executeCommand('SET', [$key, $value, 'NX']);
+		} else {
+			$expire = (int) ($expire * 1000);
+			return (bool) $this->_connection->executeCommand('SET', [$key, $value, 'PX', $expire, 'NX']);
 		}
 	}
 
 	/**
-	 * Deletes a value with the specified key from cache
-	 * This is the implementation of the method declared in the parent class.
-	 * @param string $key the key of the value to be deleted
-	 * @return boolean if no error happens during deletion
+	 * @inheritDocs
 	 */
 	protected function deleteValue($key)
 	{
@@ -202,9 +209,7 @@ class RedisCache extends Cache
 	}
 
 	/**
-	 * Deletes all values from cache.
-	 * This is the implementation of the method declared in the parent class.
-	 * @return boolean whether the flush operation was successful.
+	 * @inheritDocs
 	 */
 	protected function flushValues()
 	{
diff --git a/tests/unit/framework/caching/ApcCacheTest.php b/tests/unit/framework/caching/ApcCacheTest.php
index adda151..b65ec41 100644
--- a/tests/unit/framework/caching/ApcCacheTest.php
+++ b/tests/unit/framework/caching/ApcCacheTest.php
@@ -37,4 +37,9 @@ class ApcCacheTest extends CacheTestCase
 	{
 		$this->markTestSkipped("APC keys are expiring only on the next request.");
 	}
+
+	public function testExpireAdd()
+	{
+		$this->markTestSkipped("APC keys are expiring only on the next request.");
+	}
 }
diff --git a/tests/unit/framework/caching/CacheTestCase.php b/tests/unit/framework/caching/CacheTestCase.php
index 849cad0..afd514d 100644
--- a/tests/unit/framework/caching/CacheTestCase.php
+++ b/tests/unit/framework/caching/CacheTestCase.php
@@ -91,7 +91,18 @@ abstract class CacheTestCase extends TestCase
 		$this->assertEquals('array_test', $array['array_test']);
 	}
 
-	public function testMset()
+	/**
+	 * @return array testing mset with and without expiry
+	 */
+	public function msetExpiry()
+	{
+		return [[0], [2]];
+	}
+
+	/**
+	 * @dataProvider msetExpiry
+	 */
+	public function testMset($expiry)
 	{
 		$cache = $this->getCacheInstance();
 		$cache->flush();
@@ -100,7 +111,7 @@ abstract class CacheTestCase extends TestCase
 			'string_test' => 'string_test',
 			'number_test' => 42,
 			'array_test' => ['array_test' => 'array_test'],
-		]);
+		], $expiry);
 
 		$this->assertEquals('string_test', $cache->get('string_test'));
 
@@ -170,6 +181,17 @@ abstract class CacheTestCase extends TestCase
 		$this->assertFalse($cache->get('expire_test'));
 	}
 
+	public function testExpireAdd()
+	{
+		$cache = $this->getCacheInstance();
+
+		$this->assertTrue($cache->add('expire_testa', 'expire_testa', 2));
+		usleep(500000);
+		$this->assertEquals('expire_testa', $cache->get('expire_testa'));
+		usleep(2500000);
+		$this->assertFalse($cache->get('expire_testa'));
+	}
+
 	public function testAdd()
 	{
 		$cache = $this->prepare();
diff --git a/tests/unit/framework/caching/DbCacheTest.php b/tests/unit/framework/caching/DbCacheTest.php
index c3c0233..c2d03e2 100644
--- a/tests/unit/framework/caching/DbCacheTest.php
+++ b/tests/unit/framework/caching/DbCacheTest.php
@@ -83,4 +83,16 @@ class DbCacheTest extends CacheTestCase
 		static::$time++;
 		$this->assertFalse($cache->get('expire_test'));
 	}
+
+	public function testExpireAdd()
+	{
+		$cache = $this->getCacheInstance();
+
+		static::$time = \time();
+		$this->assertTrue($cache->add('expire_testa', 'expire_testa', 2));
+		static::$time++;
+		$this->assertEquals('expire_testa', $cache->get('expire_testa'));
+		static::$time++;
+		$this->assertFalse($cache->get('expire_testa'));
+	}
 }
diff --git a/tests/unit/framework/caching/FileCacheTest.php b/tests/unit/framework/caching/FileCacheTest.php
index 70271c9..f102614 100644
--- a/tests/unit/framework/caching/FileCacheTest.php
+++ b/tests/unit/framework/caching/FileCacheTest.php
@@ -33,4 +33,16 @@ class FileCacheTest extends CacheTestCase
 		static::$time++;
 		$this->assertFalse($cache->get('expire_test'));
 	}
+
+	public function testExpireAdd()
+	{
+		$cache = $this->getCacheInstance();
+
+		static::$time = \time();
+		$this->assertTrue($cache->add('expire_testa', 'expire_testa', 2));
+		static::$time++;
+		$this->assertEquals('expire_testa', $cache->get('expire_testa'));
+		static::$time++;
+		$this->assertFalse($cache->get('expire_testa'));
+	}
 }
diff --git a/tests/unit/framework/caching/MemCacheTest.php b/tests/unit/framework/caching/MemCacheTest.php
index e489a39..63f8be1 100644
--- a/tests/unit/framework/caching/MemCacheTest.php
+++ b/tests/unit/framework/caching/MemCacheTest.php
@@ -34,4 +34,12 @@ class MemCacheTest extends CacheTestCase
 		}
 		parent::testExpire();
 	}
+
+	public function testExpireAdd()
+	{
+		if (getenv('TRAVIS') == 'true') {
+			$this->markTestSkipped('Can not reliably test memcache expiry on travis-ci.');
+		}
+		parent::testExpireAdd();
+	}
 }
diff --git a/tests/unit/framework/caching/MemCachedTest.php b/tests/unit/framework/caching/MemCachedTest.php
index 57ee110..3a9d415 100644
--- a/tests/unit/framework/caching/MemCachedTest.php
+++ b/tests/unit/framework/caching/MemCachedTest.php
@@ -34,4 +34,12 @@ class MemCachedTest extends CacheTestCase
 		}
 		parent::testExpire();
 	}
+
+	public function testExpireAdd()
+	{
+		if (getenv('TRAVIS') == 'true') {
+			$this->markTestSkipped('Can not reliably test memcached expiry on travis-ci.');
+		}
+		parent::testExpireAdd();
+	}
 }
diff --git a/tests/unit/framework/caching/RedisCacheTest.php b/tests/unit/framework/caching/RedisCacheTest.php
index b064f78..3201a49 100644
--- a/tests/unit/framework/caching/RedisCacheTest.php
+++ b/tests/unit/framework/caching/RedisCacheTest.php
@@ -45,6 +45,17 @@ class RedisCacheTest extends CacheTestCase
 		$this->assertFalse($cache->get('expire_test_ms'));
 	}
 
+	public function testExpireAddMilliseconds()
+	{
+		$cache = $this->getCacheInstance();
+
+		$this->assertTrue($cache->add('expire_testa_ms', 'expire_testa_ms', 0.2));
+		usleep(100000);
+		$this->assertEquals('expire_testa_ms', $cache->get('expire_testa_ms'));
+		usleep(300000);
+		$this->assertFalse($cache->get('expire_testa_ms'));
+	}
+
 	/**
 	 * Store a value that is 2 times buffer size big
 	 * https://github.com/yiisoft/yii2/issues/743