In all fairness, reading through the thread from a neutral standpoint, there is quite a bit of confusion being caused and misinterpretation going on - I don't think 8pack is helping with that either (no offence, but the non-structured replies really don't lend themselves to a clear and open discussion).
So from all that we can summarise:
1. OCUK sell boxed, retail CPUs - these are as you would expect, direct from distributors / Intel, no questions asked.
2. OCUK sell OEM CPUs - these are boxless, fanless CPUs that can be bought cheaper from distributors / Intel. These are then reboxed by OCUK as needed and sold.
3. OCUK utilise stock from (presumably) OEM CPUs to create their pre-built PCs.
4. OCUK will bin and test OEM CPUs for use in pre-built PCs that are sold with a guaranteed overclock to meet what is advertised. They may be able to achieve higher overclocks, but will clock to the advertised speeds as a minimum.
5. OCUK offer a service whereby you can purchase a higher overclocked, "binned" chip that is guaranteed with a higher chip speed. As part of this service, 8 Pack de-lids the IHS to achieve a better thermal conductivity and thereby increase throughput and performance. These are also taken from OEM stock.
6. Any and all CPUs that are binned by OCUK and unused (likely because they are not stable at the settings they aim for) are returned to a stockpile that the public does not see nor have access to. It is from these chips that the pre-built systems are made from. At no point do these chips get returned to the "OEM" CPUs that the public can buy through the website.
Hopefully that clarifies things for anyone reading and getting confused.
So from all that we can summarise:
1. OCUK sell boxed, retail CPUs - these are as you would expect, direct from distributors / Intel, no questions asked.
2. OCUK sell OEM CPUs - these are boxless, fanless CPUs that can be bought cheaper from distributors / Intel. These are then reboxed by OCUK as needed and sold.
3. OCUK utilise stock from (presumably) OEM CPUs to create their pre-built PCs.
4. OCUK will bin and test OEM CPUs for use in pre-built PCs that are sold with a guaranteed overclock to meet what is advertised. They may be able to achieve higher overclocks, but will clock to the advertised speeds as a minimum.
5. OCUK offer a service whereby you can purchase a higher overclocked, "binned" chip that is guaranteed with a higher chip speed. As part of this service, 8 Pack de-lids the IHS to achieve a better thermal conductivity and thereby increase throughput and performance. These are also taken from OEM stock.
6. Any and all CPUs that are binned by OCUK and unused (likely because they are not stable at the settings they aim for) are returned to a stockpile that the public does not see nor have access to. It is from these chips that the pre-built systems are made from. At no point do these chips get returned to the "OEM" CPUs that the public can buy through the website.
Hopefully that clarifies things for anyone reading and getting confused.