- OWC 32GB Kit (8GB x 4 matched 1866MHz): $449.00
- OWC 64GB Kit (16GB x 4 matched 1866MHz): $895.00
The same upgrades directly from Apple are priced at an additional $500 for 32 GB and $1300 for 64 GB of RAM in the lower-end quad-core Mac Pro and $400/$1200 in the higher-end 6-core Mac Pro.
Crucial has memory upgrade options available as well, with a 32 GB kit priced at $439.
OWC is also offering a trade-in rebate for the original factory memory, giving customers up to $100 towards the purchase of a memory kit. Apple's Mac Pro, which went on sale at midnight, is currently shipping in February at the earliest.