For CPU related questions, we have another community (PROCESSORS) where you can post your questions however here's a quick answer to your question.
Yes! You can purchase a Core i7 CPU from one of Intel resellers locally.
As for model number of Core i7 CPUs, here's the list of Desktop CPUs:
Core i7 Desktop CPUs
Intel® Core™ i7 Desktop Processor Extreme Edition Family (2 CPUs): Core i7 Extreme
Intel® Core™ i7 Desktop Processor Family (7CPUs): Core i7 Desktop CPU
Hope this answers your question however for future CPU related questions, kindly post in our Processors community as mentioned above.
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