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No increase in throughput can be obtained in this system by increasing the diameter of the pipe after the bottleneck. 1 below, the throughput of this water piping system is limited by the middle section with the smallest diameter that controls the water flow. Our support team starts asking questions about the customer’s equipment to identify the weakest link since a chain is only as strong as the weakest link.Īs you can see in Fig. Since the introduction of the first ProGrade reader to the market, we occasionally get calls from customers who have purchased our readers indicating that they are not getting the type of speed that they expected to get from the reader.

This capability exists from the introduction of USB 3.1 Gen2 standard but must be designed-in to both computer and devices that support multiple devices within them, such as all of ProGrade Digital’s dual-slot readers or hubs that one may be using today in their workflow environment. CFast) to communicate with the host/computer since the communications for both cards is being transmitted through one cable.

SD) to not be the bottleneck for the faster card (i.e. This capability prevents the slower card (i.e. Note: ProGrade Digital’s dual-slot card reader is able to combine the speed of each individual card together due to a Multi-IN capability support. Their speed clearly falls within the 700MB/s – 900MB/s speed that our dual-slot card readers with a USB3.2/3.1 Gen 2 interface are capable of. It should be noted that the fastest SD and CFast cards available in the market have maximum read speed of 300MB/s and 550MB/s respectively. Due to some overhead in operating systems however, the realistic expectation should be no more than 700MB/s – 900MB/s depending on the operating system and processor that resides in the computer.

All of our readers have a minimum of a USB3.2/3.1 Gen2 interface, which is capable of maximum theoretical speeds of 10Gb/s that is equivalent to 1,250MB/s. ProGrade Digital prides itself in providing the most reliable and fastest memory cards and workflow readers in the industry.