The Dell PowerEdge R660 has no 3.5-inch drive bays. The cost-optimized R660xs has four. This guide covers that inversion, what a single rack unit costs you in PCIe slots, GPU wattage and processor headroom, and what to check before you buy a used R660.
Dell publishes no end-of-life date for the PowerEdge R750, and the 30 November 2029 date circulating for it is Dell's date for the PowerFlex Appliance R750, not for the general-purpose server. This guide covers what that means for a used R750, how the R750, R750xs and R750xa actually differ, and the memory, processor and riser rules to check before you buy.
Dell has never published an end-of-life or end-of-support-life date for the PowerEdge R740, and has said so on the record more than once. This guide covers what that actually means for a used R740, which processors and memory are worth paying for, and what to check before you buy.
Dell still sells the PowerEdge R760 new, and sells its successor new alongside it. This guide covers what actually separates the R760, R760xs and R760xa, the memory rule that decides what you should buy, and what to check before you buy a used one.
Dell has never published an end-of-life date for the PowerEdge R640 — or for any PowerEdge server. Here is what actually governs an R640's lifecycle, how to find the only date that applies to your machine, how to configure one, and what to check before you buy a used one.
