Western Digital Caviar Blue 1TB 32MB Cache Internal Hard Drive for $69.99 shipped after promo code EMCYSNR22. Here is a screenshot for your reference. It uses a high-density 2-platter design for better performance while reducing power usage. Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical. Most places have this SATA internal hard drive for over $80.