No residues of solder, thus much better thermal conduction. For dual-CPU Mac Pro 4,1 2009 upgrade.
Matched Pair Lot 2 DELIDDED Intel XEON X5675 3.06GHz 6 Core Processor
Matched Pair Lot 2 DELIDDED Intel XEON X5675 3.06GHz 6 Core Processor Mac Pro US
Matched Pair (2 CPUs) Intel Xeon X5690 6 Core 3.46GHz Mac Pro 5,1 upgrade kit
Matching pair Intel Xeon X5650 X5660 X5675 X5680 X5670 X5690 LGA1366 CPU LOT
intel Xeon X5670 X5672 X5675 X5677 X5680 X5687 X5690 CPU Processor
Matched Pair Intel Xeon X5690 3.46GHz 6.4GT/s 12MB 6 Core 1333GHz SLBVX CPU
