SP2-21WP-AL SP2-21WP-AL3930, 4GB, W/ IO, 12V SP2-21WP-KL SP2-21WP-KL-I3, 4GB, W/ IO, 12V SP2-21WP-TGL SP2-21WP-TGL-I3, 4GB, W/ IO, 12V, CT SP2-21WP-TGL-I5, 8GB, W/ IO, 12V, CT SP222 SP2220RJT SP2222AQDB