“Will the Samsung 850 evo internal sata 3 work in an older sata 2 system (3 gb) in achi mode with a hd for storage? Will any internal ssd sata 3 work in a sata 2 system?”
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Yes it will, I have even plugged Sata 3 drives into IDE motherboards with no issue, your only limitation is speed where sata 3 will be lowered to SATA 2.
Sorry, there was a problem. Please try again later.SATA 6.0Gb (SATA 3) is specified to be backward compatible with SATA 1 and 2. Any SATA 6.0Gb drive should connect to a SATA 3.0 (SATA2) port/connector and work, with R/W throughput limited to the speed of the controller.
Sorry, there was a problem. Please try again later.Yes, I have it in my older SATA system. Now the interface in my computer is the bottleneck rather than the hard drive. It is definitely a worthy upgrade. As far as I can find SATA III is backwards compatible with SATA II.
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