This is Server Memory, will not work in PC or Lap Top.  Please refer to your Server Specification on Memory configuration before you buy,  

Plus  16GB RAM Sold As 1 Lot  

4 X SAMSUNG 4GB PC2-5300F FULLY BUFFERED ECC DDR2-667 MEMORY MODULE

MANUFACTURER: SAMSUNG 
PART NUMBER: M395T5160QZ4-CE68 
COMPONENT DENSITY: 4GB  X  4 Modules (Total 16GB RAM Sold and Supplied)
PRODUCT BUS TYPE: PC2-5300F 
COMPONENT SPEED: DDR2-667 
COMPONENT RANK: 2RX4 
MODULE TYPE: SERVER MEMORY (NOT FOR DESKTOPS)
PIN COUNT: 240-PIN

This Expension Card and memory is removed from HP Server, it is HP certified, It may also work in many other Servers and Blades, Check your system compatibility before you buy

Buyer Pay the Shipping cost,   COD on pick up is allowed