Still, you'd see 300 to 400 MB/sec on such ports, plenty for an average SSD, HDD or optical unit of course. Some motherboard partners will add 3 rd party SATA3 controllers which often are a little limited in performance overall. These native SATA3 (6 Gbps controllers) from both AMD and Intel are the fastest your money can get you really. AHCI mode is enabled in the BIOS, especially with SSDs that helps a little on peak performance. The SATA3 based SSD is connected to the SATA3 (6Gbps) chipset controller.
Here we are using a SATA3 connection directly to the processor. If you'd use a 3rd party motherboard controller hooked USB port like ASMedia ones, these might be significantly slower in 4K performance.īelow, we show SATA3 6 Gbps (BIOS at AHCI mode) performance with a SATA3 SSD (Crucial MX500 1TB). USB 3.1 is now called USB 3.1 Gen 2 (Speed up to 10 Gbps).USB 3.0 is now called USB 3.1 Gen 1 (Speed up to 5 Gbps).That is the maximum performance for the USB stick right there. It is one of the faster sticks available on the market and makes USB 2.0 at 25~30 MB/sec look rather pale in comparison. Below, you are looking at a Plextor EX1 USB 3.1 Gen 2 ( review here) flash drive with today's tested motherboard.
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