4x1GB PC2-6400 Fully Buffered ECC Ram for Mac Pro Workstatio or Server. Condition is "Used" but fully functional. Worked fine on a Mac Pro 1.1 even though that model supports the PC2-5400. Should work fime any mac pro work station that supports PC2-6400 fully buffered ecc ram or servers that support these.

Shipped with USPS Priority Mail within 1 day of cleared payment.