GDDR （Graphics Double Data Rate）SDRAM ，is one of the key core components on the video card , Its advantages and disadvantages & capacity will be directly related to the performance of the video card. it's family have GDDR, GDDR2, GDDR3,GDDR4 andGDDR5.
| Part Number | Density | Org. | Speed | Refresh | Package | Factory | Operation |
|---|---|---|---|---|---|---|---|
| Part Number HYB18H512321BF-14F | Density | Org 16M×32 | Speed | Refresh | Package BGA | Factory Qimonda | RFQ |
| Part Number HYB18H512321BF-14 | Density | Org 16M×32 | Speed | Refresh | Package BGA | Factory Qimonda | RFQ |
| Part Number K4J52324KI-HC1A | Density | Org 16M×32 | Speed | Refresh | Package BGA | Factory Samsung | RFQ |
| Part Number HYB18H512321B2F-14 | Density | Org 16M×32 | Speed | Refresh | Package BGA | Factory Qimonda | RFQ |
| Part Number K4J52324QE-BC12T00 | Density | Org 16M×32 | Speed | Refresh | Package | Factory Samsung | RFQ |
| Part Number K4J52324QG-BC12 | Density | Org 16M×32 | Speed | Refresh | Package | Factory Samsung | RFQ |
| Part Number K4J52324QE-RC14 | Density | Org 16M×32 | Speed | Refresh | Package 136FBGA | Factory Samsung | RFQ |
| Part Number K4J52324QE-HJ1A | Density | Org 16M×32 | Speed | Refresh | Package | Factory Samsung | RFQ |
| Part Number HYB18H512321AFL-16 | Density | Org 16M×32 | Speed | Refresh | Package BGA | Factory Qimonda | RFQ |
| Part Number K4J52324QC-BJ11 | Density | Org 16M×32 | Speed | Refresh | Package 136FBGA | Factory Samsung | RFQ |
| Part Number HY5DS113222FM-33 | Density | Org 32M×16 | Speed | Refresh | Package BGA | Factory Hynix | RFQ |
| Part Number H5RS1H23MFR-14C | Density | Org 32M×32 | Speed | Refresh | Package BGA | Factory Hynix | RFQ |
| Part Number EDW1032BBBG-50-F | Density | Org 32M×32 | Speed | Refresh | Package FBGA | Factory Elpida | RFQ |
| Part Number EDW1032BABG-50-F | Density | Org 32M×32 | Speed | Refresh | Package BGA | Factory Elpida | RFQ |
| Part Number H5RS1H23MFR-N3C | Density | Org 32M×32 | Speed | Refresh | Package BGA | Factory Hynix | RFQ |
| Part Number H5RS1H23MFR-N2C | Density | Org 32M×32 | Speed | Refresh | Package BGA | Factory Hynix | RFQ |
| Part Number HYB18H1G321AF-11 | Density | Org 32M×32 | Speed | Refresh | Package BGA | Factory Qimonda | RFQ |
| Part Number H5TQ1G63FFR-11C | Density | Org 64M×16 | Speed | Refresh | Package | Factory Hynix | RFQ |
| Part Number H5TQ1G63DFR-11C | Density | Org 64M×16 | Speed | Refresh | Package BGA-96 | Factory Hynix | RFQ |
| Part Number K4W1G1646E-BC11 | Density | Org 64M×16 | Speed | Refresh | Package | Factory Samsung | RFQ |
