Hi

Can I ask how price is

2 x 4GB SODIMM
CMSA8GX3M2A1333C9
Speed:
DDR3-1333 (Mac SoDimm-9-9-9-24*1.5v) Dual Channel Type:
204-pin SODIMM
Capacity:
8GB Kit (2 x 4GB) Latency:
9-9-9-24
Voltage:
1.5 Warranty:
Lifetime Replacement

taken from website it self