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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 97-108 of 207

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Western 0F38353 Digital 18TB 12Gbps SAS 7200 3.5-inch 512MB Hard Drive

Western 0F38353 Digital 18TB 12Gbps SAS 7200 3.5-inch 512MB Hard Drive

$645.48$759.39

$35.86 per TB

Seagate ST18000NM0012 Exos 2X18 18TB 7.2K SAS 12Gb/s 3.5-in HDD

Seagate ST18000NM0012 Exos 2X18 18TB 7.2K SAS 12Gb/s 3.5-in HDD

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Toshiba MG09SCA18TA MG 18TB 7.2k SAS 12Gb/s 512MB Cache (4Kn) 3.5-in HDD

Toshiba MG09SCA18TA MG 18TB 7.2k SAS 12Gb/s 512MB Cache (4Kn) 3.5-in HDD

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Toshiba MG09SCP18TA Enterprise Capacity 18TB 7.2K SAS 3.5-inch HDD

Toshiba MG09SCP18TA Enterprise Capacity 18TB 7.2K SAS 3.5-inch HDD

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Toshiba HDEPYA0SMB51 MG09 Series 18TB 7200RPM SAS 12Gb/s 3.5-in HDD

Toshiba HDEPYA0SMB51 MG09 Series 18TB 7200RPM SAS 12Gb/s 3.5-in HDD

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Dell P74FX 18TB 7200RPM 6Gb/s SATA Hot Plug 512MB Cache HDD

Dell P74FX 18TB 7200RPM 6Gb/s SATA Hot Plug 512MB Cache HDD

$1,225.62

$68.09 per TB

Dell 0KPVDN 18TB 7200RPM SATA 6Gb/s 512e 3.5-in HDD

Dell 0KPVDN 18TB 7200RPM SATA 6Gb/s 512e 3.5-in HDD

$1,415.70

$78.65 per TB

Dell 0J4R9 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

Dell 0J4R9 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

$1,470.15

$81.68 per TB

Dell YF5G2 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

Dell YF5G2 18TB 7200RPM SAS 12Gb/s 3.5-Inch Nearline Hard Drive

$1,470.15

$81.68 per TB

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

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

$1,470.15

$81.68 per TB

Seagate ST18000NT001 18TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive

Seagate ST18000NT001 18TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive

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Dell AB219086 18TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive

Dell AB219086 18TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive

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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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