I have an HP Z6 Workstation with a Xeon Gold 6253CL CPU (purchased from eBay) and I would like to upgrade it to a dual-CPU configuration. I have added the 2nd CPU riser card but, for selecting the processor I need help understanding Intel's part numbers and features, in particular the "C" suffix.
The Xeon Gold 6253CL CPU seems to be a confidential model available only to some manufacturers and not to the public and therefore the specs are unavailable at the Intel website [https://www.intel.com/content/www/us/en/support/articles/000056073/processors/intel-xeon-processors.html]
I have tried adding a 2nd socket with another 6253CL CPU and, for the most part the computer seems to work however sometimes it fails to boot and/or crashes
Per the information about suffixes provided by Intel [https://www.intel.com/content/www/us/en/support/articles/000059657/processors/intel-xeon-processors.html] the C suffix seems to indicate a single-socket CPU (although this is uncertain, as officially these suffixes apply to 3rd generation Scalable Xeon CPUs and the 6253CL is 2nd-generation)
I am hoping someone can shed more light on the actual meaning of this C suffix and, if it is intended to describe "single-socket", what functionality is missing when compared to another CPU that supports e.g., dual-socket (my observation has been that it works fine most of the time, is it e.g., missing some synchronization capability that depending on workload may not needed be needed for extended periods of time time? is it something that would work in dual-socket only for specific bios settings but not others?)
A possible replacement that I'm also looking into is Xeon Platinum 8251C CPUs but that also is a 2nd-generation "C" processor and I am concerned it will have similar stability issues in dual-socket configurations.
For reference and before someone starts recommending completely different machines - my primary goal for this workstation is using it for media processing, mostly Avid Pro Tools and some Davinci Resolve. The Z6 is one of Avid's officially supported hardware platforms. Furthermore the configuration officially supported by Avid requires Turbo to be turned off in the BIOS, that's why I am looking at CPUs with high Base Frequency. I'm also using this machine for gaming from time to time (Ark and various PCVR games) but this is a lower-priority goal, as long as the games run "well enough" it's fine, the machine does not have to be optimized for competitive gaming.
