Newegg has the Samsung MZ-7TD500BW 840 500GB 2.5" SATA III Solid State Drive for $300 - 10% off with coupon code VMEPROMOMAR13
[Exp 3/21] (when you check out with V.me by Visa) = $270
with free shipping. Features up to 530MB/s read and up to 330MB/s write speeds and a 3 year warranty. Normally around $350.