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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 37-48 of 207

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Dell 400-BKZM 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

Dell 400-BKZM 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZO 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZO 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZR 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZR 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZP 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZP 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZS 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZS 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZV 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZV 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZT 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZT 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell HKR0D 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

Dell HKR0D 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BLBB 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BLBB 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell 400-BKZZ 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell 400-BKZZ 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell AB378816 18TB 7200RPM ISE SAS 12Gb/s 3.5-Inch Hard Drive

Dell AB378816 18TB 7200RPM ISE SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 per TB

Dell RCKKK 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

Dell RCKKK 18TB 7200RPM SAS 12Gb/s 3.5-Inch Hard Drive

$1,415.70

$78.65 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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