18 TB hard drive and SSD prices

29 matched listings · sort by price per TB to spot value

We list 29 drives near 18 TB in this bucket (matched within about 5% on capacity). Listing prices are pulled from our database and refresh about every 1 hour; retailer checkout totals can still change sooner.

Among 28 storage listings we use for comparisons here, price per terabyte runs from about $16.67 to $40.28. We divide list price by capacity in terabytes (gigabytes ÷ 1024).

Lowest HDD: MDD MAXDIGITALDATA X18 MACH.2 (Dual Actuator) 18TB 7200RPM SAS 12Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (MDD18TSAS51272E-2X18) - [Not a SATA HDD] (Renewed) (18 TB) at $300.

Typical for large NAS pools, surveillance archives, and bulk cold storage.

$300$16.6718 TBRenewed5 yearsMDD MAXDIGITALDATA X18 MACH.2 (Dual Actuator) 18TB 7200RPM SAS 12Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (MDD18TSAS51272E-2X18) - [Not a SATA HDD] (Renewed) (18 TB)MDDInternalSAS
$320$17.7818 TBRenewed3 monthsMDD MAXDIGITALDATA MDD 18TB 7200RPM 256MB Cache SAS 12.0Gb/s 3.5inch Internal Enterprise Hard Drive (MDD18TSAS25672E) - [Not a SATA HDD] (Renewed) (18 TB)MDDInternalSAS
$340$18.8918 TBNew5 yearsMDD 18TB 7200RPM 256MB Cache SAS 12.0Gb/s 3.5inch Internal Enterprise Hard Drive (MDD18TSAS25672E) - 5 Years Warranty (18 TB)MDDInternalSAS
$366$20.3318 TBRenewed3 monthsSeagate Enterprise ST18000NM004J Internal Hard Drive 3.5" 18TB 7.2K RPM SAS 12Gb/s for Servers *Desktop PC's Not Supported*(Renewed) (18 TB)SeagateInternalSAS
$399$22.1718 TBNew3 yearsMDD (MDD18TSATA25672DVR) 18TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Surveillance Hard Drive - 3 Years Warranty (18 TB)MDDInternal 3.5"HDD
$410$22.7818 TBNew3 monthsWestern Digital Internal Hard Drives 18Tb DC HC550 Surveillance,Wd 3.5 HDD Sata 6Gb/s 7200 PRM NAS 512 mb Cache for Dvr Nvr (18 TB)Western DigitalInternal 3.5"HDD
$460$25.5618 TBRenewed2 yearsAvolusion M5 Series 18TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (Renewed) (18 TB)AvolusionExternal 3.5"HDD
$460$25.5618 TBRenewed5 yearsMDD MAXDIGITALDATA MDD (MDD18TS25672NAS) 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive (Renewed) (18 TB)MDDInternal 3.5"HDD
$460$25.5618 TBRenewed2 yearsAvolusion PRO-T5 Series USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) - 2 Year Warranty (18TB) (Renewed) (18 TB)AvolusionExternal 3.5"HDD
$470$26.1118 TBRenewed2 yearsAvolusion PRO-5X Series 18TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed) (18 TB)AvolusionExternal 3.5"HDD
$470$26.1118 TBRenewed3 yearsMDD (MDD18TS25672CCTV) 18TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Surveillance Hard Drive - 3 Years Warranty (Renewed) (18 TB)MDDInternal 3.5"HDD
$480$26.6718 TBRenewed2 yearsAvolusion PRO-T8 Series 18TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (Black) (Renewed) (18 TB)AvolusionExternal 3.5"HDD
$490$27.2218 TBNew2 yearsOSENTRiX BX100 18TB USB 3.2 Gen 2 USB-C External Hard Drive with USB Hub for Windows or MacOS Desktop PC/Laptop (18 TB)OSENTRiXExternal 3.5"HDD
$500$27.7818 TBRenewed2 yearsAvolusion PRO-5Y Series 18TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) (Renewed) (18 TB)AvolusionExternal 3.5"HDD
$500$27.7818 TBRenewed3 monthsSeagate IronWolf Pro 18TB NAS HDD, ST18000NE000 SATA 6Gb/s 3.5" (Renewed) (18 TB)SeagateInternal 3.5"HDD
$540$3018 TBUsed3 yearsSanDisk Professional 18TB G-Drive Enterprise-Class External Desktop Hard Drive - 7200RPM Ultrastar HDD Inside, USB-C (10Gbps), USB 3.2 Gen 2, Mac Ready - SDPHF1A-018T-NBAAD (18 TB)SanDiskExternal 3.5"HDD
$540$3018 TBRenewed3 monthsSeagate Exos X20 18TB 7200 RPM 512e SATA 6Gb/s 3.5" Enterprise Hard Drive - ST18000NM003D (Renewed) (18 TB)SeagateInternal 3.5"HDD
$540$3018 TBRenewed3 monthsSeagate Enterprise 3.5" 18000 GB 7200 RPM 18 TB 3.5" 7200 RPM SATA ST18000NM00J (Renewed)SeagateInternal 3.5"HDD
$540$3018 TBRenewed2 yearsAvolusion PRO-G1 Series 18TB USB 3.2 Gen 2 (10Gbps) USB-C External Hard Drive for Windows or MacOS Desktop PC/Laptop (Silver) (Renewed) (18 TB)AvolusionExternal 3.5"HDD
$550$30.5618 TBRenewed2 yearsSeagate Exos X18 18TB SAS 12Gb/s 7200RPM 3.5" Enterprise Hard Drive - ST18000NM005J (Renewed) (18 TB)SeagateInternalSAS
$559$31.0618 TBRenewed3 monthsWestern Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD181KFGX (Renewed) (18 TB)Western DigitalInternal 3.5"HDD
$575$31.9418 TBUsed1 yearSeagate EXOS X20 18TB SAS 3.5IN 7200RPM 6GB/S 512E/4K (18 TB)SeagateInternalSAS
$589$32.7218 TBRenewed3 monthsWestern Digital WD WUH721818AL5204 18TB SAS 12Gb/s 7.2K RPM 512M 0F38353 512e/4Kn SE HDD (Renewed) (18 TB)Western DigitalInternalSAS
$599$33.2818 TBUsed0 monthsSeagate Enterprise ST18000NM004J Internal Hard Drive 3.5" 18TB SAS (18 TB)SeagateInternal 3.5"HDD
$599$33.2818 TBRenewed0 monthsWestern Digital WD WD181KRYZ Gold 18 TB Hard Drive - 3.5-inch Internal - SATA (SATA/600) - Server, Storage System Device Supported - 7200rpm (Renewed)Western DigitalInternal 3.5"HDD
$615$34.1718 TBNew2 yearsWestern Digital 18TB Elements Desktop External Hard Drive USB 3.0 for plug-and-play storage - Western DigitalBWLG0180HBK-NESN (18 TB)Western DigitalExternal 3.5"HDD
$663$36.8318 TBRenewed3 monthsWestern Digital Ultrastar DC HC550 18TB 7200RPM 3.5" SATA Hard Drive WUH721818ALE6L4 (Renewed) (18 TB)Western DigitalInternal 3.5"HDD
$725$40.2818 TBNew5 yearsSeagate Exos X18 ST18000NM005J 18 TB Hard Drive - Internal - SAS (12Gb/s SAS) - 7200rpm - 5 Year WarrantySeagateInternalSAS
$799$44.3918 TBNew0 monthsSeagate Enterprise 3.5" 18000 GB 7200 RPM 18 TB 3.5" 7200 RPM SATA ST18000NM00JSeagateInternal 3.5"HDD

FAQ

  • How many 18 TB drives are on this page?

    29 listings match this bucket using the same ±5% capacity band as our capacity index and sitemap.

  • What do 18 TB drives cost here?

    Among comparable storage listings, prices run from about $300 (MDD MAXDIGITALDATA X18 MACH.2 (Dual Actuator) 18TB 7200RPM SAS 12Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (MDD18TSAS51272E-2X18) - [Not a SATA HDD] (Renewed) (18 TB)) up to $725 (Seagate Exos X18 ST18000NM005J 18 TB Hard Drive - Internal - SAS (12Gb/s SAS) - 7200rpm - 5 Year Warranty), before shipping or coupons.

  • What is the 18 TB price-per-TB spread?

    About $16.67 to $40.28 per TB across 28 storage listings we include in this summary.

  • Cheapest 18 TB HDD?

    MDD MAXDIGITALDATA X18 MACH.2 (Dual Actuator) 18TB 7200RPM SAS 12Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (MDD18TSAS51272E-2X18) - [Not a SATA HDD] (Renewed) (18 TB) at $300.