For its newsletter subscribers only, newegg offers the Seagate Momentus XT 500GB 2.5" SATA 3Gb/s Internal Solid State Hybrid Notebook Hard Drive, model no. ST95005620AS, for $139.99. Coupon code "EMCJHJE23" cuts it to $89.99 . With free shipping, that's $0.18/GB, and tied with our August mention as the lowest total price we could find, this time by $25. Features include a 7200 rpm spin rate, 32MB cache and 4GB of SLC NAND solid state flash storage. This drive claims to perform up to 80% faster compared to mechanical 7200 rpm drives by placing commonly used programs on its 4GB of solid state flash storage.