{
 "title": "Cold Storage £/TB 2026: Tape vs HDD vs Object Cost",
 "url": "https://www.servnetuk.com/research/cold-archive-storage-cost-index-2026",
 "publisher": "Servnet Research",
 "license": "CC BY 4.0 — free to reuse with attribution",
 "collected": "2026-08-11",
 "records": [
  {
   "metric": "2025 NAND price per TB from LoC/IBM landscape slide",
   "value": "~$66/TB",
   "source": "Library of Congress"
  },
  {
   "metric": "2025 HDD price per TB from LoC/IBM landscape slide",
   "value": "~$15/TB",
   "source": "Library of Congress"
  },
  {
   "metric": "2025 tape price per compressed TB from LoC/IBM landscape slide",
   "value": "~$2/TB",
   "source": "Library of Congress"
  },
  {
   "metric": "Five-year object storage TCO in Qualstar-cited model",
   "value": "~$592/TB over 5 years",
   "source": "Qualstar"
  },
  {
   "metric": "Tape archive TCO range in Qualstar-cited model",
   "value": "$7-$15/TB/year",
   "source": "Qualstar"
  },
  {
   "metric": "Enterprise disk TCO range in Qualstar-cited model",
   "value": "$60-$150/TB/year",
   "source": "Qualstar"
  },
  {
   "metric": "Refurbished SATA HDD five-year TCO",
   "value": "$5.60/TB/year",
   "source": "DatacenterDisk"
  },
  {
   "metric": "Enterprise SAS HDD five-year TCO",
   "value": "$8.80/TB/year",
   "source": "DatacenterDisk"
  },
  {
   "metric": "LTO-9 tape five-year TCO",
   "value": "$4.20/TB/year",
   "source": "DatacenterDisk"
  },
  {
   "metric": "AWS S3 Standard annualized cost",
   "value": "~$276/TB/year",
   "source": "DatacenterDisk"
  },
  {
   "metric": "AWS S3 Glacier Deep Archive annualized cost",
   "value": "~$12/TB/year",
   "source": "DatacenterDisk"
  },
  {
   "metric": "Glacier Deep Archive retrieval charge",
   "value": "$0.0025/GB",
   "source": "DatacenterDisk"
  },
  {
   "metric": "Glacier Deep Archive retrieval time",
   "value": "12-48 hours",
   "source": "DatacenterDisk"
  },
  {
   "metric": "G-Cloud 14 cold/archive Storage as a Service price",
   "value": "£7.00/TB/month",
   "source": "Servnet UK"
  },
  {
   "metric": "G-Cloud 14 hot Storage as a Service price",
   "value": "£20.00/TB/month",
   "source": "Servnet UK"
  }
 ]
}