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> I can't figure out why it is so slow tho.  The NAS rig is a 4 core CPU and 8GBs of memory.  It should have enough horsepower under the hood.  Maybe it is something I'm not aware of.  It is a older rig so maybe it isn't SATA's fastest version, maybe even the original or something.  I can't find anything in lspci or dmesg so not real sure where to look on BSD.
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Mine is similar. It's an i3-2120 which is 2 core, 4 threads with 8GB of DRAM. The NIC is on the motherboard and I don't remember what motherboard I bought. It was used and cost my about $50.