Here we compared the new Extreme PRO to the portable SSD, SanDisk Extreme 510, as they flash drive claims SSD speeds. The thumb drive was able to hit 340.7MB/s write and 376.8MB/s read. Not as good as the 510 (408MB/s write and 430.8MB/s read) but impressive nonetheless for a thumb drive compared to a full-fledged SSD. Samsung FIT Plus (256 GB) for $33: It is better-looking than our best tiny drive pick, with a metallic body and performance to match (up to 400 MB/s read for 128-GB or 256-GB drives). But Samsung HDD. RAM. USB. Seagate Barracuda 1TB (2016) $40. Corsair Vengeance LPX DDR4 3200 C16 2x8GB $42. SanDisk Extreme 64GB $72. WD Blue 1TB (2012) $34. Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43. SanDisk Extreme Pro SDCZ880. SanDisk Extreme Pro SDCZ880 is one of the fastest USB flash drives on write speed. The advertised read speed is 420 MB/s, while the UserBenchmark read speed is 297 MB/s. According to the released information, the write speed is 380 MB/s. However, the actual write speed tested by UserBenchmark is 264 MB/s. Integrating WD’s Blue SN550E and leveraging BiCS4 TLC flash, the SanDisk Extreme offers responsive performance in a secure and portable package. Reviews By Sean Webster The SanDisk Extreme achieved a 4K random write speed of 2.1 MB/s which was over three times faster than the best of the rest, unfortunately we were unable to get consistent measurements but 2.1 MB/s was towards at the lower end of the range (10.8 MB/s - 1.71 MB/s) we observed. We suspect the inconsistency relates to the way the controller The SanDisk USB 3.1 Ultra Fit Flash Drive has a 256GB storage capacity. Other sizes are available from 16–128GB. It’s a high-speed product for use with the NVIDIA Shield TV 8GB version. Best feature 1: Fast 3.1 flash drive works well for NVIDIA Shield. Best feature 2: Ultra-compact plug-n-play design. Compare SanDisk Luxe vs Samsung Bar Plus vs SanDisk Extreme Pro vs Samsung FIT Plus SanDisk 256GB Ultra Luxe USB 3.1 Gen 1 Type-A Flash Drive . Price: $54.99 Lqsy.