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18TB Server Hard Drives

Key takeaways

  • 207 listings match this collection right now.
  • 18TB drives reach this capacity only as helium-sealed nearline parts; no 10K or 15K performance drive is built anywhere near this size, since spindle speeds that high cannot reach it.
  • Sustained operating power draw scales with platter and head count, so a dense shelf built entirely at 18TB pulls more steady-state wattage per bay than at 16TB, though still less than at 20TB.
  • SATA and SAS versions exist at 18TB; a SATA drive runs on a SAS backplane, but a SAS drive will not run on a SATA-only controller at any capacity.

18TB drives are 3.5-inch helium capacity drives for dense storage servers and object stores, in 12Gb/s SAS and 6Gb/s SATA. Sector format and tray generation have to match the system.

207 listings in this collection, filtered from Server Hard Drives. The part number and manufacturer are stated on every listing, and the condition wherever the catalogue records one. For quantity, request a volume quote.

Items 121-132 of 207

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HPE P00218-002 8TB SAS 12Gb/s 7200RPM 3.5-Inch Hard Drive

HPE P00218-002 8TB SAS 12Gb/s 7200RPM 3.5-Inch Hard Drive

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HPE P00672-001 8TB SAS 12Gb/s 7200RPM 3.5-Inch Hard Drive

HPE P00672-001 8TB SAS 12Gb/s 7200RPM 3.5-Inch Hard Drive

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WD WD181KRYZ-01AGBB0 18TB 6Gb/s SATA 7200 3.5-inch 256MB Hard Drive

WD WD181KRYZ-01AGBB0 18TB 6Gb/s SATA 7200 3.5-inch 256MB Hard Drive

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Seagate ST18000NM000D 18TB 12Gb/s SAS 7200 3.5-inch 256MB Hard Drive

Seagate ST18000NM000D 18TB 12Gb/s SAS 7200 3.5-inch 256MB Hard Drive

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Seagate ST18000NM004D 18TB 12Gb/s SAS 7200 3.5-inch 256MB Hard Drive

Seagate ST18000NM004D 18TB 12Gb/s SAS 7200 3.5-inch 256MB Hard Drive

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Seagate ST18000NM001D 18TB 12Gb/s SAS 7200 3.5-inch 256MB Hard Drive

Seagate ST18000NM001D 18TB 12Gb/s SAS 7200 3.5-inch 256MB Hard Drive

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EMC CAPHDD18TB10K25VX5 1.8TB 10000RPM SAS 12Gb/s 2.5-Inch Hard Drive for Vxrail

EMC CAPHDD18TB10K25VX5 1.8TB 10000RPM SAS 12Gb/s 2.5-Inch Hard Drive for Vxrail

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Seagate ST18000VE002 SkyHawk AI 18TB SATA 6Gb/s 256 MB Cache 512n

Seagate ST18000VE002 SkyHawk AI 18TB SATA 6Gb/s 256 MB Cache 512n

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Western 0F38458 Digital 18TB 6Gbps SATA 7200 3.5-inch 512MB Hard Drive

Western 0F38458 Digital 18TB 6Gbps SATA 7200 3.5-inch 512MB Hard Drive

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Western 0F38354 Digital 18TB 12Gbps SAS 7200 3.5-inch 512MB Hard Drive

Western 0F38354 Digital 18TB 12Gbps SAS 7200 3.5-inch 512MB Hard Drive

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WD WUH721818AL5205 18TB 12Gb/s SAS 7200 3.5-inch 512MB Hard Drive

WD WUH721818AL5205 18TB 12Gb/s SAS 7200 3.5-inch 512MB Hard Drive

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WD WUH721816AL5201 18TB 12Gb/s SAS 7200 3.5-inch 512MB Hard Drive

WD WUH721816AL5201 18TB 12Gb/s SAS 7200 3.5-inch 512MB Hard Drive

$487.08$573.04

$27.06 per TB

How to choose server hard drives

Match the interface and link rate the controller or backplane presents, the bay width (2.5-inch or 3.5-inch), and the rotational class already in the array: 10K and 15K drives for latency-sensitive duty, 7200 RPM nearline drives for capacity. Replacing an array member also means matching capacity and sector format, or the controller can reject the drive.

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