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Ultrastar DC HC680 vs Ultrastar DC HC670

RANKED BY CAPACITY PER DRIVE #6 VS #7 CHECKED 06 SEPT 2026

Side by side

Verdict

Ultrastar DC HC680 ranks #6 of 14 on Capacity per drive (28 TB); Ultrastar DC HC670 ranks #7 (26 TB).

Rank 06 of 14 · leads

Ultrastar DC HC680

Capacity per drive

28 TB

MakerWestern Digital

Date2025

Verified04 Sept 2026

Evidence

WD Ultrastar DC HC680 product page and official datasheet: UltraSMR capacities 28 / 27 / 26 TB. This row uses the 28 TB SKU. Recording technology is SMR; formatted capacity is still the published number.

Rank 07 of 14

Ultrastar DC HC670

Capacity per drive

26 TB

MakerWestern Digital

Date2024

Verified04 Sept 2026

Evidence

WD product page titled "26TB Ultrastar DC HC670 Data Center Hard Drive". Recording technology listed as SMR / UltraSMR.

Try another pair

More Ultrastar DC HC680 matchups

Source Manufacturer product pages and datasheets (Seagate Exos / IronWolf Pro, Western Digital Ultrastar DC HC690 / HC680 / HC670 / HC580,… Last checked 06 Sept 2026

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