M5-583P TOLUD for a spare mPCIe slot

Is this a mini PCIe slot or slot : reGPU mpcie slot PCIe slot > PCI adapter > mSATA card As far as 2 goes; I have found a card that fits into a PCIe slot which has an input for the mSATA card slot onlime Adapters are available to allow Mini-PCI and Mini-PCIe cards to be installed into a full size PCI or PCIe slot What is a Mini-PCI card? As

pg slot 1 My only hesitation is that the mobo which best fits my needs has an slot, whereas my current machine has a mini pcie card slot I am using a