This RAM has never been overclocked. I have tested it about 20 minutes before posting this ad and it is in good working order. It has passed Memtest86+ twelve times in five hours and forty five minutes. The RAM will be shipped with tracked shipping. If you have any questions feel free to ask. The RAM has the following specifications:

Brand: Legacy Electronics

Model: 88L5KDL0-1RDG

Speed: 400 MHz

Type of Stick: DIMM

Generation: DDR

Number of Sticks: 2

Capacity Per Module: 512MB

Total Capacity: 1GB