5 In total and all have been tested and are in working condition with no issues

2 x Cricial 4GB DDR3 12800

1 x Hynix 4GB DDR3 12800U

1 x Kingston KTH-PL316E/4G

1 x Kingston KVR-16N11/8 ( not sure if this is 8GB or 4GB as some time these came in a kit of 2)