Best USB flash drive deals on October Prime Day: Portable storage for cheap

Here is a 174-word summary of the news article: This year's October Prime Day event, a two-day sale from October 7-8, is offering some great deals on USB flash drives. As an experienced tech journalist, the author has curated a list of the best flash drive deals worth considering. For 64GB to 256GB drives, the standout deals include the Kingston Ironkey Vault Privacy 50 (128GB for $140), Lexar JumpDrive Dual (128GB for $13.88), and Samsung Bar Plus (256GB for $22). The author highlights the Samsung Bar Plus as the best deal, with its fast transfer speeds and durable metal casing. For larger 512GB to 2TB drives, the SanDisk Ultra Flair (512GB for $36) and PNY Pro Elite V3 (512GB for $42.98) are highlighted as excellent options. The article also provides guidance on choosing the right USB flash drive, advising buyers to prioritize fast transfer speeds, rugged construction, and encryption features. The author details their methodology for identifying the best deals based on price comparisons and product reviews.