6 TB hard drive prices

Sweet spot for many four-bay NAS units and desktop archive upgrades

We compare 61 6 TB hard drives and SSDs from retailers we track. Checkout prices at Amazon and other stores can differ from what we last recorded.

6 TB hard drive prices

Prices last updated: August 14, 2026

Drives we compare
61
Hard drives (HDD)
61
Cheapest hard drive per TB
$16.67 per TB: DELL 6TB 7.2K 3.5" NL SAS 12Gbs HDD (3PRF0) (Renewed) (6 TB) at $100.00
6 TB price per TB range
$16.67 to $72.33

6 TB hard drive buying guide

Who a 6 TB drive is for

6 TB balances bay count and total pool size for home NAS, small-office file servers, and desktop users who store completed video projects locally.

6 TB hard drive vs SSD

This size skews toward HDDs among drives we compare. SSDs with similar capacity cost far more per TB and are usually reserved for cache or editing scratch, not primary ZFS pools.

What to look for in a 6 TB drive

  • CMR platters for RAID and multi-user NAS workloads.
  • Annualized workload (TB/year) ratings on pro and NAS lines.
  • Noise and power when four or more drives spin 24/7 in a closet.
  • Firmware compatibility with your NAS vendor’s compatibility list.

How we compare 6 TB prices

6 TB often competes with 8 TB on price per TB. Use the neighbor links and the cheapest price per TB rows above to see which size leads on this page.

6 TB price per TB on this page

Among 61 drives we compare on this page, price per TB runs from about $16.67 to $72.33. Checkout totals and coupons can differ.

Compare all 6 TB hard drive prices

Showing 1 to 50 of 61 drives
Page 1 of 2
$100$16.676 TBRenewed3 monthsDELL 6TB 7.2K 3.5" NL SAS 12Gbs HDD (3PRF0) (Renewed) (6 TB)DELLInternalSAS
$112$18.676 TBRenewed3 monthsDELL 6TB 7.2K 6Gbps NL SAS 3.5 HDD (NWCCG) (Renewed) (6 TB)DELLInternalSAS
$118$19.676 TBRenewed3 monthsSeagate 4KN 6 TB 3.5" SAS Internal Hard Drive ST6000NM0014 (Renewed)SeagateInternalSAS
$120$206 TBRenewed5 yearsMDD MAXDIGITALDATA 6TB 7200RPM 128MB Cache SAS 12.0Gb/s 3.5inch Internal Enterprise Hard Drive (MD6TSAS12872E) - [NOT a SATA HDD] (Renewed) (6 TB)MDDInternalSAS
$125$20.836 TBUsed0 monthsDELL 0NWCCG 6TB 7.2K 6G LFF SAS Hard Drive (6 TB)DELLInternalSAS
$130$21.676 TBRenewed3 monthsSeagate Enterprise Capacity 3.5 HDD| ST6000NM0034 | 6TB 7.2K RPM SAS 12Gb/s 128MB Cache 3.5' | 512n | Enterprise Hard Disk Drive for Hyperscale Applications (Renewed) (6 TB)SeagateInternalSAS
$135$22.56 TBRenewed3 monthsSeagate Exos 7E8 6TB 7200 RPM 512e SAS 12Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive - ST6000NM0095 (Renewed) (6 TB)SeagateInternalSAS
$160$26.676 TBNew5 yearsHGST Ultrastar He8 Helium 6TB 3.5-Inch 7200RPM SATA ULTRA 512e SE 128MB Cache Internal Bare or OEM Hard Drive - HUH728060ALE604 / 0F23669 (6 TB)HGSTInternal 3.5"HDD
$160$26.676 TBRenewed3 monthsMDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) (6 TB)MDDInternal 3.5"HDD
$160$26.676 TBNew5 yearsSeagate Enterprise Capacity ST6000NM0095 6TB 7200RPM SAS 12.0 GB/S 256MB 512E Enterprise Hard Drive (6 TB)SeagateInternalSAS
$165$27.56 TBRenewed3 monthsSeagate ST6000NM0095 6 TB 3.5in Internal Hard Drive (Renewed)SeagateInternalSAS
$168$286 TBRenewed3 monthsSeagate Enterprise Capacity 3.5 HDD 6TB 7200 RPM 512e SATA 6Gb/s 128MB-Cache 3.5-Inch Hard Disk Drive - ST6000NM0024 (Renewed) (6 TB)SeagateInternal 3.5"HDD
$170$28.336 TBRenewed5 yearsMDD Enterprise Capacity ST6000NM0024 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5in Enterprise Hard Drive (Renewed) (6 TB)MDDInternal 3.5"HDD
$170$28.336 TBRenewed3 monthsMDD MAXDIGITALDATA MaxDigitalData 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform NAS Hard Drive - w/3 Year Warranty (Renewed) (6 TB)MDDInternal 3.5"HDD
$175$29.176 TBUsed2 yearsWestern Digital WD 6TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBHJS0060BBK-WESN (6 TB)Western DigitalExternal 3.5"HDD
$180$306 TBRenewed3 monthsToshiba 6 Tb 3.5 Internal Hard Drive - Sata - 7200rpm (Renewed)ToshibaInternal 3.5"HDD
$180$306 TBNew1 yearSeagate 6 TB Enterprise Capacity HDD Sata 6Gb/s 128MB Cache 3.5-Inch Internal Bare Drive (ST6000NM0024)SeagateInternalSAS
$180$306 TBRenewed3 yearsMaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for NAS Network Storage (MD6000GSA12872NAS) - 3 Years Warranty (Renewed) (6 TB)MaxDigitalDataInternal 3.5"HDD
$180$306 TBRenewed2 yearsAvolusion PRO-5X Series 6TB USB 3.0 External Hard Drive for WindowsOS Desktop PC/Laptop (White) - 2 Year Warranty (Renewed) (6 TB)AvolusionExternal 3.5"HDD
$180$306 TBRenewed3 monthsMDD MAXDIGITALDATA 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive (Enterprise Grade) (Renewed) (6 TB)MDDInternal 3.5"HDD
$180$306 TBRenewed3 monthsWestern Digital WD ULTRASTAR DC HC310 6TB SATA (Renewed) (6 TB)Western DigitalInternal 3.5"HDD
$185$30.836 TBUsed0 monthsSeagate Enterprise Capacity 3.5 HDD 6TB 7200RPM 12Gb/s SAS 128 MB Cache Internal Bare Drive ST6000NM0034 (6 TB)SeagateInternalSAS
$185$30.836 TBRenewed3 monthsDELL 400-AGMN - Dell 6TB 3.5" SATA 7.2K 6Gb/s Hard Drive (Renewed) (6 TB)DELLInternal 3.5"HDD
$190$31.676 TBRenewed3 yearsMDD (MDD6TSATA6472DVR) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5-inch Internal Surveillance Hard Drive - 3 Years Warranty (Renewed) (6 TB)MDDInternal 3.5"HDD
$190$31.676 TBRenewed3 monthsHGST Ultrastar 6TB 3.5inch 128MB Cache 7200RPM SATA 6.0Gb/s Internal Enterprise Hard Drive - HUS726060ALE614 (For Desktop PC/Mac, NAS, CCTV DVR, Surveillance System, RAID, Server) (Renewed) (6 TB)HGSTInternal 3.5"HDD
$190$31.676 TBRenewed3 monthsMDD MAXDIGITALDATA 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty (Renewed) (6 TB)MDDInternal 3.5"HDD
$192$326 TBNew0 monthsHGST HUS726060AL5210 6000GB 128MB 7200RPM SAS ULTRA 512E ISE 3.5" (0F22791) (6 TB)HGSTInternalSAS
$194$32.336 TBNew5 yearsSeagate Enterprise Capacity ST6000NM0105 6TB 7200RPM SAS 12.0 GB/S 256MB 4Kn Enterprise Hard Drive (6 TB)SeagateInternalSAS
$195$32.56 TBNew0 monthsHUS726060AL5215 HGST 6TB 7.2K 12G LFF SAS Hard Drive (6 TB)HUS726060AL5215InternalSAS
$200$33.336 TBRenewed3 monthsST6000NM0115 3.5"-Inch HDD 6TB 7200 RPM 512e SATA 6Gb/s 256MB Cache Internal Hard Drive (Renewed) (6 TB)ST6000NM0115Internal 3.5"HDD
$200$33.336 TBRenewed3 monthsSeagate Exos 7E8 6TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive (ST6000NM0115) (Renewed) (6 TB)SeagateInternal 3.5"HDD
$200$33.336 TBUsed3 yearsMaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty (6 TB)MaxDigitalDataInternal 3.5"HDD
$200$33.336 TBRenewed3 monthsWestern Digital 6TB Ultrastar DC HC310 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5inch - HUS726T6TALE6L4 (Renewed) (6 TB)Western DigitalInternal 3.5"HDD
$200$33.336 TBUsed0 monthsSeagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) (6 TB)SeagateExternal 3.5"HDD
$203$33.836 TBUsed5 yearsHGST Ultrastar He 3.5-inch 6000GB 64MB Cache 7200RPM SAS Ultra 512n Helium Platform Enterprise HDD HUS726060ALS640 (6 TB)HGSTInternalSAS
$210$356 TBRenewed3 monthsWestern Digital 6TB Ultrastar DC HC310 7200 RPM SATA 6.0Gb/s 3.5" Data Center Internal Hard Drive Model 0B36039 (Renewed) (6 TB)Western DigitalInternal 3.5"HDD
$216$366 TBNew0 monthsHGST 0B36047 - Ultrastar 7K6 HUS726T6TAL5204 - Hard Drive - 6 TB - Internal - 3.5" - SAS 12Gb/s - 7200 RPM - Buffer: 256 MBHGSTInternalSAS
$225$37.56 TBUsed0 monthsHGST , a Western Digital Company ULTRASTAR 7K6000 | HUS726060AL5210 | 0F22791 | 6000GB 7200RPM SAS 512E ULTRA ISE 128MB Cache 3.5-Inch Internal Bare or OEM Hard Drives (6 TB)HGSTInternalSAS
$225$37.56 TBUsed0 monthsDELL PYM8J 6TB 512e NL-SAS 12Gbps 7.2K 3.5" HDD | 13G Tray | WD HGST Ultrastar 7K6000 HUS726060AL5214 | PowerVault PowerEdge Enterprise Data Center Hard Drive | Bundle with Compatily Screwdriver (6 TB)DELLInternalSAS
$225$37.56 TBNew5 yearsHGST Ultrastar He6 6TB 3.5" SAS 7200 RPM Enterprise Internal Hard Drive - SAS 64 Mb Cache, 12Gb/s - HUS726060als640 / 0F18370 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0F18370 (6 TB)HGSTInternalSAS
$225$37.56 TBUsed0 monthsDELL PYM8J 6TB 512e NL-SAS 12Gbps 7.2K RPM 3.5-Inch HDD | WD HGST Ultrastar 7K6000 HUS726060AL5214 EMC PowerVault PowerEdge Enterprise Data Center Hard Drive | Bundle with Compatily Screwdriver (6 TB)DELLInternalSAS
$249$41.56 TBNew0 monthsHUS726060AL5210 HGST 6TB 7.2K 12G LFF SAS Hard Drive (6 TB)HUS726060AL5210InternalSAS
$249$41.56 TBRenewed3 monthsWestern Digital WD Gold 6TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD6002FRYZ (Renewed) (6 TB)Western DigitalInternal 3.5"HDD
$250$41.676 TBUsed3 yearsWestern Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD62PURZ (6 TB)Western DigitalInternal 3.5"HDD
$275$45.836 TBNew0 monthsHGST , a Western Digital Company Ultrastar 7K6000 6000GB 7200RPM SAS 4KN Ultra ISE 128MB Cache 3.5-Inch Internal Bare or OEM Drives 0F22790 (6 TB)HGSTInternalSAS
$289$48.176 TBNew0 monthsHITACHI Hard Drive - 6 TB - Internal - 3.5" - SAS 12Gb/s - 7200 RPM - Buffer: 128 MBHITACHIInternalSAS
$290$48.336 TBUsed3 yearsWestern Digital WD 6TB My Passport, Portable External Hard Drive, Black, Backup Software with Defense Against ransomware, and Password Protection, USB 3.1/USB 3.0 Compatible - WDBR9S0060BBK-WESN (6 TB)Western DigitalExternal 3.5"HDD
$299$49.836 TBUsed5 yearsSeagate Exos 7E8 ST6000NM021A 6 TB Hard Drive - Internal - SATA (SATA/600)SeagateInternal 3.5"HDD
$300$506 TBNew2 yearsSeagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) (6 TB)SeagateInternal 3.5"HDD
$310$51.676 TBUsed0 monthsWestern Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX (6 TB)Western DigitalInternal 3.5"HDD
Showing 1 to 50 of 61 drives
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Showing 50 drives per page. Use the pager at the top or bottom of the table, or open the full hard drive price comparison to shop every size at once.

6 TB hard drive questions

  • 6 TB drives in RAID 5?

    Common in four-bay NAS units. Leave a hot spare or backup plan, rebuilding large arrays takes hours and stresses remaining disks.

  • 6 TB vs 8 TB for new NAS builds?

    If 8 TB price per TB is only slightly higher, buying larger disks reduces bay usage and future expansion. Compare the 4 TB and 8 TB price pages before you standardize.

  • Are refurbished 6 TB enterprise drives OK?

    They can be fine for secondary backup targets if price reflects risk. Avoid unknown-power-on-hours pulls for primary pools without a spare plan.

  • How many 6 TB drives are on this page?

    We compare 61 6 TB hard drives and SSDs on this page, including nearby capacities within about 5% of 6 TB.

  • What do 6 TB drives cost on this page?

    Among comparable storage drives on this page, prices run from about $100.00 (DELL 6TB 7.2K 3.5" NL SAS 12Gbs HDD (3PRF0) (Renewed) (6 TB)) up to $434.00 (Western Digital WD 6TB 3.5" Re 7200 RPM SATA III 128 MB Cache Bulk/OEM Enterprise Hard Drive (WD6001FSYZ) (6 TB)), before shipping or coupons.

  • What is the 6 TB price per TB on this page?

    About $16.67 to $72.33 per TB across 61 drives we use for this summary.

  • Cheapest 6 TB HDD on this page?

    DELL 6TB 7.2K 3.5" NL SAS 12Gbs HDD (3PRF0) (Renewed) (6 TB) at $100.00 (about $16.67 per TB).