Cheapest 18TB hard drive in the United States
Ranked by the best currently tracked price in the United States. Only prices captured within the last 14 days are considered — a stale capture cannot claim "cheapest".
14-day freshness rulePrices exclude sales tax.
Internal (SATA)
3 drives · from $529.001WD Ultrastar DC HC550Best priceWestern Digital · captured Sep 13, 2026 · 262 MB/s$529.0033% below its 90-day median2Seagate Exos X18Seagate · captured Sep 3, 2026 · 270 MB/s$529.9927% below its 90-day median3Toshiba MG09 HDDToshiba · captured Sep 13, 2026 · 281 MB/s$675.0020% below its 90-day median