EX-GD271UAX EX-GD271UAXEX-LDGCQ321HDBEX-GCQ271HAEX-LDGCWF291SDBEX-LDGC272HDBEX-LDGC243HDBEX-LDGC241UDB GV-USB3HDS/EGV-US2CHD/EGV-HUVC/E