For Example DDR3-1066 VLP:
• JEDEC Standard
• DDR3 Speed Grade : 1066Mbps
• Unbuffered DIMM : 240-pin
• Memory Organization : x8 FBGA DRAM chip
• DDR3 DRAM interface : SSTL_15
• CAS latency : 7-7-7
• Bandwidth : 8500MB/s
• VDD voltage : 1.5+-0.075V
• VDDQ voltage : 1.5+-0.075V
• Standard OP Temp.:0℃~+85℃
• Serial presence detect with EEPROM.
• PCB height : 1.18 inch
• RoHS Compliant
• Application : Desktop
And many, many more....
