OWC has released a memory kit upgrade for the new Apple MacBooks announced this week. The company is offering a 4GB DDR3 kit, as a matched pair of 2GB modules, for the MacBook 13 inch and MacBook Pro 15 inch models. The components are RoHS compliant, and compatible with the the 1066MHz bus speed of the notebooks. The memory is available for $140, or for $125 if the customer trades in their 1GB Apple memory modules.

OWC still offers 4GB DDR2 memory upgrades for the previous version MacBooks and the current MacBook "White," for $70. A range of hard drives are also available for the notebooks, with capacities up to 500GB.