8GB STICK For Sony Vaio VPC S Series VPCSB36FA/R VPCSB36FH/R VPCSB36FN/B VPCSB37GA/B VPCSB37GG VPCSB37GH/B VPCSB38GA/B VPCSB38GH/B VPCSB3AFX VPCSB3N9E VPCSB3Q9E VPCSB3S9E VPCSB41FD VPCSB45FL VPCSB490S VPCSB490X VPCSB4AFX VPCSB4AFX/B VPCSB4AFX/W VPCSB4CFX VPCSB4CFX/P VPCSB4DFX VPCSB4DFX/B VPCSB4DFX/L VPCSC1AFD VPCSC1AFDS VPCSC1AFM VPCSC31FM/S VPCSC41FM/S VPCSE15FG/B VPCSE17GA/B VPCSE190X. SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. 8GB STICK SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Sony Vaio VPC S Series. (See Compatibility List Below)