Weekly notes on capacity moves, current best-value drives, market lows, and original storage-pricing findings from the ListofDisks dataset.
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Each issue is public and indexable so the findings can compound over time.
This week's read: capacity medians and buyable listings split. 12TB is the lowest median $/TB capacity tier in the index, while the sharpest named row is Seagate Exos ST28000NM000C 28TB refurb at BestBuy for $646.99 ($23.11/TB). Capacity tiers are index medians; named rows are current buyable listings with condition data. Data through Jul 24, 2026.
This week's read: 12TB became the lowest-median capacity tier in the index, replacing 14TB, while the sharpest named row is Seagate Exos ST28000NM000C 28TB refurb at BestBuy for $646.99 ($23.11/TB). The tier signal moved, but the best buyable listing still comes from refurb inventory. Data through Jul 17, 2026.
This week's read: 14TB became the lowest-median capacity tier in the index, replacing 24TB, while the sharpest named row is Toshiba X300 HDWR51EXZSTA 14TB new CMR at BestBuy for $310.33 ($22.17/TB). The tier signal moved, but the best buyable listing still comes from new inventory. Data through Jul 10, 2026.
This week's read: 24TB still has the lowest median $/TB in the capacity index, and its median rose 3.6% since the prior issue. The sharpest named row is Seagate Exos ST25000NM000E 25TB recert at ServerPartDeals for $549.00 ($21.96/TB); capacity tiers explain market shape, while listing rows show what is actually buyable. Data through Jul 3, 2026.
This week's read: 24TB became the lowest-median capacity tier in the index, replacing 18TB, while the sharpest named row is Seagate Exos ST25000NM000E 25TB recert at ServerPartDeals for $549.00 ($21.96/TB). The tier signal moved, but the best buyable listing still comes from recert inventory. Data through Jun 26, 2026.
This week's read: 18TB still has the lowest median $/TB in the capacity index, but the buyable floor moved lower after HGST Ultrastar HUH721212ALE600 12TB new appeared at $18.67/TB. Capacity medians stayed steady; the actionable change is a new named listing below last week's best row. Data through Jun 19, 2026.
ShuckStop's historical dataset gives us a six-year look at WD external-drive shucking prices. The comparable in-stock WD external benchmark bottomed near $15/TB in August 2025, sat around $16.50/TB at the end of 2025, and then rose to about $31.25/TB by the complete month of May 2026.
This week's read: 18TB still leads the index, and its median rose 46.7% since the prior issue. The sharpest named row is Seagate Exos ST28000NM000C 28TB recert at ServerPartDeals for $610.00 ($21.79/TB); capacity tiers explain market shape, while listing rows show what is actually buyable. Data through Jun 12, 2026.
This week's read: capacity medians and buyable listings split. 18TB is the best capacity tier by median $/TB, while the sharpest named row is Seagate Exos ST28000NM000C 28TB recert at ServerPartDeals for $610.00 ($21.79/TB). Capacity tiers are index medians; named rows are current buyable listings with condition data. Data through Jun 5, 2026.
This week's read: capacity medians and buyable listings split. 18TB is the best capacity tier by median $/TB, while the sharpest named row is Seagate Exos ST28000NM000C 28TB recert at ServerPartDeals for $610.00 ($21.79/TB). Capacity tiers are index medians; named rows are current buyable listings with condition data. Data through May 29, 2026.
This week's read: capacity medians and buyable listings split. 22TB is the best capacity tier by median $/TB, while the sharpest named row is Seagate Expansion STKP16000400 16TB new at BestBuy for $317.99 ($19.87/TB). Capacity tiers are index medians; named rows are current buyable listings with condition data. Data through May 19, 2026.
This week's read: the index signal is large-capacity HDDs. 20TB is the best capacity tier by median $/TB, while the sharpest named row is Seagate Expansion STKP16000400 16TB new at BestBuy for $294.14 ($18.38/TB). Capacity tiers are index medians; named rows are current buyable listings with condition data. Data through May 15, 2026.
This week's read: 25TB is the best capacity tier by median $/TB, while the sharpest named row is Seagate ST26000NM000C 26TB recert CMR at B&H Photo Video for $399.99 ($15.38/TB). Data through 2026-05-08.
This week's read: 28TB is the best capacity tier by median $/TB, while the sharpest named row is a recertified 26TB Seagate enterprise CMR drive. Data through April 29, 2026.