Each item for sale is a hex-channel kit that is intended to be used for one processor only. If you have a dual-processor system, please order two items and avoid mixing them with other brands/models for the best performance. When mixed, the memory will perform at the lowest speed populated or the highest speed allowed by the system. The item "Dell PowerEdge R440 R540 R640 48GB (6x8GB) DDR4 2666MHz PC4-2666V ECC Memory" is in sale since Sunday, October 28, 2018. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Memory (RAM)".
The seller is "bloommax" and is located in Gaithersburg, Maryland. This item can be shipped worldwide.