8GB DDR3 1866Mhz PC3-14900 NON ECC LONG DIMM 2Rx8 1.5V 240pin Crucial Original Part # CT102464BD186D capacity:8GB Manufacturer Hynix Memory Type DDR4

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Elpida  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1600Mhz  Bus Type PC3-12800

Manufacturer Crucial Memory Type DDR3 Capacity 8GB Data Transfer Rate 1333Mhz Bus Type PC3-10600

OEM Part  BY80607002907AH

Manufacturer Ramaxel Memory Type DDR4 Capacity 4GB Data Transfer Rate 2666MHz Bus Type PC4-21300

8GB DDR3 1866Mhz PC3-14900 NON ECC LONG DIMM 2Rx8 1.5V 240pin Crucial Original Part # CT102464BD186D capacity:8GB Manufacturer Hynix Memory Type DDR4Manufacturer Crucial Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900