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In Desktop Internal Hard Drives

Our most popular products, based on sales and updated frequently.
21
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: WD
  • Series: Blue
  • Capacity: 12TB
  • RPM: 7200 RPM
  • Model #: WD120EAGZ
  • Item #: N82E16822234591
  • Return Policy: 30-Day Return Policy
$269.99
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Predictable WD reliability.

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Western Digital 10TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX
Western Digital 10TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX
  • Brand: Western Digital
  • Series: Red Pro
  • Capacity: 10TB
  • RPM: 7200 RPM
  • Model #: WD103KFBX
  • Item #: 1Z4-0002-01PS8
  • Return Policy: 30-Day Return Policy
Save 14%
$244.99
$286.49
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Just what I wanted.

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WD Blue 2TB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD20EZBX
WD Blue 2TB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD20EZBX
  • NAND Flash Memory Type: Computer Hardware
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD20EZBX
  • Item #: N82E16822234469
  • Return Policy: 30-Day Return Policy
$79.99
Est. Shipping Fee $3.99
Eligible for Free Shipping

Lost cost storage Reliable name No issues recognizing drive

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WD Red Pro WD142KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
WD Red Pro WD142KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD142KFGX
  • Item #: 9SIAAY9KSD3409
  • Return Policy: View Return Policy
$418.89
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-Transfer rates are good - average a little over 200MB/s, drive to drive on the same LSI HBA on Unraid if it matters. -Temperature is good - average 30C in a 20C room during continuous transfer of files, about the same as a 6TB (WD6003FFBX), and about 5C lower than a 10TB (WD102KFBX). Idle temp is ~26C. This drive and comparables are in the same server/array. - Noise is relatively low, about the same as a 6TB and noticeably more quiet than the 10TB. - Cost per TB is good when on sale, very close to the largest 18-22TB rate.

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WD Black WD102FZBX 10 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method WD102FZBX
WD Black WD102FZBX 10 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method WD102FZBX
  • Brand: Western Digital
  • Series: Black
  • Capacity: 10TB
  • RPM: 7200 RPM
  • Model #: WD102FZBX
  • Item #: N82E16822234586
  • Return Policy: 30-Day Return Policy
$274.99
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Does what it's supposed to do. Simple Installation.

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WD Blue 1TB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD10EZEX
WD Blue 1TB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD10EZEX
  • Brand: WD
  • Series: Blue
  • Capacity: 1TB
  • RPM: 7200 RPM
  • Model #: WD10EZEX
  • Item #: 9SIA65EK2A4456
  • Return Policy: View Return Policy
$59.99
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Quiet, reliable and cost effective

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WD Black WD4006FZBX 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive - WD4006FZBX
  • Brand: WD
  • Series: Black
  • Capacity: 4TB
  • RPM: 7200 RPM
  • Model #: WD4006FZBX
  • Item #: 9SIAAY9KSA5588
  • Return Policy: View Return Policy
$173.99
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- It comes in large sizes or small. Spend the money you need for the space you want. - Fastest 7200Rpm HDD I have used. - Low idle power draw. - Writing to a 860 QVO 1TB SDD it uses 100% Black and 30-60% of the SSD. - It replaced a drive from 2013! (WD blue 7200) With no issue. Plugged-in, Disc Management saw it right away, format/Copy files and it's great. All the programs work because I switched the drive letters back to :D :D

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Synology HAT3310 16TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-16T)
Synology HAT3310 16TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-16T)
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147mm
  • Model #: HAT3310-16T
  • Item #: N82E16822108844
  • Return Policy: 30-Day Return Policy
$419.99
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plugged in, has worked for the past two weeks. No overt warnings about excessive bad sectors

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WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD60EZAX
  • Item #: N82E16822234535
  • Return Policy: 30-Day Return Policy
$159.99
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I would recommend Western Digital HDDs (or even their SSDs, I've got those, too) to anyone needing to expand or enlarge their existing system. Easy to install and configure to your Windows OS.

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WD RED PRO 4TB SATA 3.5INCH, 256MB
WD RED PRO WD4005FFB 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD4005FFBX
  • Item #: 1Z4-0002-01PE4
  • Return Policy: 30-Day Return Policy
Save 6%
$159.99
$171.99
$0.99 Shipping

By MB, the cheapest and reliable HD in the market Will last many years of constant use

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Synology HAT3310 12TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-12T)
Synology HAT3310 12TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-12T)
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147mm
  • Model #: HAT3310-12T
  • Item #: N82E16822108843
  • Return Policy: 30-Day Return Policy
$344.99
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For Synology NAS users, the Synology brand drives means easier adoption, less headaches and fewer notifications. The extra small pennies/gb price per GB over other enterprise drives with worth it. No need to worry about compatibility with many features of DSM 7.1

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Synology HAT3300 4TB Plus Series SATA HDD 3.5"
Synology 4TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-4T)
  • Height (maximum): 20.20mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147mm
  • Model #: HAT3300-4T
  • Item #: N82E16822108832
  • Return Policy: 30-Day Return Policy
$154.99
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Synology drives are guaranteed compatible and recommended for Synology enclosures.

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Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ
Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD181KRYZ
  • Item #: N82E16822234420
  • Return Policy: 30-Day Return Policy
$399.99
$413.49
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Huge capacity, very fast

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Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
  • Recording Technology: CMR
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 146.99mm
  • Model #: ST16000NT001
  • Item #: 9SIAAEEKCB6267
  • Return Policy: View Return Policy
$540.10
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Works great, had a dead drive, but the three others I got were great. Trouble free replacement on the bad drive. Glad I bought from a reputable source.

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WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAX
WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAX
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD40EZAX
  • Item #: N82E16822234536
  • Return Policy: 30-Day Return Policy
$104.99
Est. Shipping Fee $4.99
Eligible for Free Shipping

I have not installed it yet so my comment is on the value for 4 TB of storage from a great brand. I plan to use it mainly for backups and C drive images. Speed is not an issue and being a mechanical drive, I hope to get some warning of impending failure years from now vs a sudden SSD failure

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Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Recording Technology: CMR
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 146.99mm
  • Model #: ST8000NT001
  • Item #: N82E16822185077
  • Return Policy: 30-Day Return Policy
$219.99
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Synology HAT3320 8TB Plus Series SATA HDD 3.5"
Synology HAT3320 8TB Plus Series SATA HDD 3.5"
$259.99
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WD Red Pro WD6005FFBX 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
WD Red Pro WD6005FFBX 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD6005FFBX
  • Item #: 9SIADU0KK56333
  • Return Policy: View Return Policy
$374.45

This drive is fast, has excellent firmware, and is helium filled. I actually spoke with a firmware developer at WD and he said this is the drive to get (or a larger model).

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WD Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - WD6004FZBX
WD Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - WD6004FZBX
  • Brand: WD
  • Series: Black
  • Capacity: 6TB
  • RPM: 7200 RPM
  • Model #: WD6004FZBX
  • Item #: N82E16822234559
  • Return Policy: 30-Day Return Policy
Save 11%
$189.99
$214.99
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Outstanding Drive The Absolute Best Brand 5 Year Warranty ( Unbeatable By Every Single Competitor ) Black Series ( Can't Speak Highly Enough ) 1TB SATA III 64MB Cache 7200 RPM

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WD Gold WD242KRYZ 24 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - Storage System, Data Center, Server Device Supported - 7200rpm
WD Gold 24TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 512MB Cache 3.5 Inch - WD242KRYZ
  • Height (maximum): 26.10mm
  • Width (maximum): 147.00mm
  • Length (maximum): 101.60mm
  • Model #: WD242KRYZ
  • Item #: 9SIA24GKEY4927
  • Return Policy: View Return Policy
$703.56
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Large Size Works Great Stable Have ordered 100s of WD Gold none have failed so far