What storage and memory does this desktop come with?

It comes with 16 GB of DDR5 SDRAM memory and a 512 GB PCIe NVMe 4.0 M.2 SSD.

What processor does this Dell Pro QCT1250 desktop use, and what is its turbo speed?

It uses an Intel Core Ultra 5 235 processor. The processor is a tetradeca-core (14-core) CPU with a base speed of 3.40 GHz and up to 5 GHz Turbo.

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Dell Pro QCT1250 Desktop Computer - Intel Core Ultra 5 235 - 16 GB - 512 GB SSD - Windows 11 Pro - Gigabit Ethernet - DVD-Writer - 180W - NRWT8