3.5" Internal HDD sorted by price/TB

List of 3.5" Internal HDD available for sale from Newegg.com, sorted by the price per TB.

Built by Edward Betts. Comments welcome: edward@4angle.com

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Last updated: 18 April 2026.

Price
per TB
Price Size Drive
$23.00 689.99 30TB Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive
$24.58 589.99 24TB Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
$25.00 299.99 12TB Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$27.50 329.99 12TB WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.00 559.99 20TB Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGX
$28.00 559.99 20TB WD Gold WD203KRYZ 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.12 449.99 16TB WD Red Pro WD161KFGX 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.12 449.99 16TB WD Gold 16TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 512MB Cache 3.5 Inch - NE-WD161KRYZ
$28.12 899.99 32TB Seagate SkyHawk AI ST32000VE000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.12 899.99 32TB Seagate IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.18 619.99 22TB Western Digital 22TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD221KRYZ
$28.18 619.99 22TB Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX
$28.21 789.99 28TB Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.33 339.99 12TB WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX
$28.33 509.99 18TB Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ
$28.33 679.99 24TB Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.33 679.99 24TB Seagate SkyHawk AI ST24000VE002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.33 679.99 24TB WD Red Pro WD240KFGX 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$28.33 679.99 24TB Western Digital Red Pro WD241KFGX 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" HD OEM
$28.33 679.99 24TB Western Digital 24TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD241KRYZ
$28.33 679.99 24TB 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
$28.50 569.99 20TB Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$28.75 229.99 8TB Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
$28.75 459.99 16TB Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
$28.85 749.99 26TB Western Digital Red Pro WD260KFGX 26TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" HD OEM
$28.85 749.99 26TB WD Gold 26TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 512MB Cache 3.5 Inch - WD261KRYZ
$29.00 289.99 10TB WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$29.17 349.99 12TB Seagate IronWolf 12TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage NE-ST12000VN0008
$29.29 409.99 14TB WD Purple Pro WD142PURP 14TB 7200 RPM 512MB Cache SATA 3.5" Internal Hard Drive
$29.29 409.99 14TB WD Gold 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$29.44 529.99 18TB Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5" - WD181KFGX
$30.00 119.99 4TB Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive - OEM
$30.00 179.99 6TB WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
$30.00 239.99 8TB WD Blue PC Desktop HDD 8TB
$31.25 249.99 8TB Seagate SkyHawk ST8000VX010 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$31.25 249.99 8TB Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm - 5 Year Warranty
$31.66 189.99 6TB WD Red Plus WD60EFPX 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$31.67 379.99 12TB WD Red Pro WD122KFBX 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$31.67 379.99 12TB WD Gold 12TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 512MB Cache 3.5 Inch - WD122KRYZ
$31.67 379.99 12TB WD Purple Pro WD122PURP 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$32.27 709.99 22TB WD Purple Pro WD221PURP 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$32.50 129.99 4TB Seagate IronWolf ST4000VN006 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$32.50 129.99 4TB Seagate SkyHawk ST4000VX016 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$32.50 259.99 8TB Toshiba N300 Pro 8TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG780UZSVB
$32.50 454.99 14TB WD Red Pro WD142KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$32.81 524.99 16TB Synology HAT3310 16TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-16T)
$33.75 269.99 8TB Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$34.00 339.99 10TB WD Red Pro 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch - WD102KFBX
$34.00 339.99 10TB Western Digital 10TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX
$34.00 339.99 10TB WD Gold 10 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - 7200rpm WD103KRYZ
$34.17 409.99 12TB Toshiba N300 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG51CUZSVA
$35.00 279.99 8TB Seagate IronWolf 8TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage ST8000VN004-NE
$35.00 279.99 8TB WD Black WD8002FZBX 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$35.00 279.99 8TB WD Red Pro WD8005FFBX 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
$35.00 279.99 8TB WD Gold WD8005FRYZ 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$35.00 279.99 8TB WD Red Plus WD80EFPX 8TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - NAS, Desktop PC Device Supported - 5640rpm
$35.00 279.99 8TB WD WD85PURZ 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5"
$35.00 419.99 12TB Synology HAT3310 12TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-12T)
$37.50 149.99 4TB WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAX
$37.50 299.99 8TB Synology HAT3320 8TB Plus Series SATA HDD 3.5"
$38.33 114.99 3TB WD Blue 3TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD30EZAX
$38.33 229.99 6TB WD Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - WD6004FZBX
$38.33 229.99 6TB WD Red Pro WD6005FFBX 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$38.33 229.99 6TB WD Gold WD6004FRYZ 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$38.75 154.99 4TB WD Red Plus 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch - WD40EFPX
$43.00 429.99 10TB WD Purple Pro WD101PURP 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$43.33 259.99 6TB Synology HAT3300 6TB Plus Series SATA HDD 3.5"
$44.99 89.99 2TB Seagate BarraCuda ST2000DM008 2TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive
$45.00 179.99 4TB WD Black WD4006FZBX 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
$45.00 179.99 4TB Western Digital Ultrastar 7K6 HUS726T4TALS204 4 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS) - Server Device Supported - 7200rpm - 512e Format 0B35919
$45.00 179.99 4TB WD Gold WD4004FRYZ 4 TB Hard Drive 3.5" Internal SATA SATA/600
$47.50 189.99 4TB Synology HAT3300 4TB Plus Series SATA HDD 3.5"
$48.75 389.99 8TB WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
$50.00 199.99 4TB WD RED PRO 4TB SATA 3.5INCH, 256MB
$52.49 104.99 2TB WD Blue 2TB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD20EZBX
$53.75 859.99 16TB Synology HAT5300-16T Enterprise 16TB HDD SATA III 6Gb/s 512e 7200 RPM 512MB Cache 3.5" Internal Hard Drive
$54.99 109.99 2TB WD Red Plus 2TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD20EFPX
$57.50 229.99 4TB Seagate IronWolf Pro ST4000NT001 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$59.49 118.99 2TB WD Blue 2TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD20EARZ
$61.00 731.99 12TB Synology HAS5300-12T Enterprise 12TB HDD SAS 12Gb/s 512e 7200 RPM 256MB Cache 3.5" Internal Hard Drive
$69.00 206.99 3TB BUFFALO OP-HD3.0QH 3TB SATA 3.0Gb/s 3.5" Internal Hard Drive
$72.50 144.99 2TB WD Black 2TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD2003FZEX
$163.37 1306.99 8TB HPE 8TB 12G SAS 7.2K LFF 512e SC MDL HDD
$218.99 218.99 1TB HPE ISS 861686-B21 1TB SATA 7.2K LFF LP DS HD
$143498.75 1147.99 8GB UGREEN NASync DXP2800, 2-Bay NAS with Intel N100 Quad-Core CPU (Up to 3.4GHz) 8GB DDR5, 2x M.2 PCIe Slots, 2.5GbE Port (Diskless) 2 x Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
$168498.75 1347.99 8GB UGREEN NASync DXP2800, 2-Bay NAS with Intel N100 Quad-Core CPU (Up to 3.4GHz) 8GB DDR5, 2x M.2 PCIe Slots, 2.5GbE Port (Diskless) 2 x Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$210998.75 1687.99 8GB UGREEN NASync DXP2800, 2-Bay NAS with Intel N100 Quad-Core CPU (Up to 3.4GHz) 8GB DDR5, 2x M.2 PCIe Slots, 2.5GbE Port (Diskless) 2 x Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
$274498.75 2195.99 8GB UGREEN NASync DXP4800 Plus, 4-Bay NAS with Intel Pentium Gold, 5-Core CPU (Up to 4.40 GHz), 8GB DDR5, 1x 2.5GbE, 1x 10GbE, 2x SD - 12th Gen 5-core Intel Processor (Diskless) 4 x Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.
$324498.75 2595.99 8GB UGREEN NASync DXP4800 Plus, 4-Bay NAS with Intel Pentium Gold, 5-Core CPU (Up to 4.40 GHz), 8GB DDR5, 1x 2.5GbE, 1x 10GbE, 2x SD - 12th Gen 5-core Intel Processor (Diskless) 4 x Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SA
$409498.75 3275.99 8GB UGREEN NASync DXP4800 Plus, 4-Bay NAS with Intel Pentium Gold, 5-Core CPU (Up to 4.40 GHz), 8GB DDR5, 1x 2.5GbE, 1x 10GbE, 2x SD - 12th Gen 5-core Intel Processor (Diskless) 4 x Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SA