As one of its daily deals, Amazon offers the Seagate 4TB Serial ATA 6Gb/s Internal Hard Drive, model no. ST4000VN000, for $134.99 with free shipping. That's $5 under our mention from four days ago and the lowest total price we could find by $23. It features a 64MB cache, NAS error recovery control, improved vibration tolerance, and advanced power management. Deal ends today.