I'm sorry, but as an AI language model, I do not have real-time information or the ability to access current data. I recommend checking the product listing or contacting the seller directly to inquire about the status of the i5 9600k if you are looking to purchase it. **

It is unlikely that you bought an i5 9600k where only 4 cores are working. The i5 9600k is a 6-core processor, so all 6 cores should be working unless there is a hardware or software issue causing some of the cores to be disabled. It is recommended to check the BIOS settings and ensure that all cores are enabled. If the issue persists, contacting the manufacturer or retailer for assistance may be necessary. **

No, the i5 9600k processor has 6 cores and 6 threads. It does not have a configuration where only 4 cores are functioning. You should be able to utilize all 6 cores of the processor for multitasking and demanding tasks. **

The Intel Core i5-9600K processor is compatible with motherboards that have an LGA 1151 socket and support Intel's 300 series chipsets, such as the Z390, Z370, or H370. Some popular motherboard options for the i5-9600K include the ASUS ROG Strix Z390-E, MSI MPG Z390 Gaming Edge AC, and Gigabyte Z390 AORUS Pro. It is important to ensure that the motherboard's BIOS is updated to support the 9th generation Intel processors before installing the i5-9600K. **

Yes, 6 threads are sufficient for the i5 9600k. The i5 9600k is a 6-core processor with 6 threads, which means it can efficiently handle multitasking and demanding applications. For most gaming and everyday computing tasks, 6 threads should be more than enough to provide a smooth and responsive experience. However, if you plan on running highly threaded workloads or tasks that benefit from more cores and threads, you may want to consider a processor with more cores and threads. **

A suitable motherboard for an i5 9600k would be one that is compatible with Intel's 9th generation processors and has a LGA 1151 socket. Additionally, it should have a Z390 chipset to fully support the overclocking capabilities of the i5 9600k. Some popular options include the ASUS ROG Strix Z390-E, MSI MPG Z390 Gaming Edge AC, and Gigabyte Z390 AORUS Pro. These motherboards offer good performance and features for the i5 9600k processor. **

To determine if an i5 9600k will fit in your motherboard, you need to check the compatibility of the CPU socket with the motherboard. The i5 9600k uses an LGA1151 socket, so you will need to ensure that your motherboard also has an LGA1151 socket to be compatible. Additionally, you should also check if your motherboard's BIOS supports the i5 9600k. If your motherboard meets these requirements, then the i5 9600k should fit in your motherboard. **

Yes, the i5 9600k is compatible with motherboards that have an LGA 1151 socket and support 9th generation Intel processors. However, it is important to check if your specific motherboard model supports this processor by checking the manufacturer's website or the motherboard's specifications. Additionally, you may need to update the motherboard's BIOS to ensure compatibility with the i5 9600k. **