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820409-002 HPE 4TB 7.2K 12G MIDLINE LFF SAS SC Hard Drive
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QR479A HPE 3TB 7.2K 6G LFF SAS M6612 Hard Drive
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EH000300JWKTN HPE 300GB 15K 12G SFF SAS SC Hard Drive
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846996-B21 HPE 4TB 7.2K 12GB LFF SAS Hard Drive
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716603-B21 HPE 900GB 10K 6G SFF SAS SC Hard Drive
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EG0300FAWJD HPE 300GB 10K 6G SFF SAS Hard Drive
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EG0300JFCKA HPE 300GB 10K 12G SFF SAS SC Hard Drive
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695503-008 HPE 4TB 7.2K 6G LFF SATA Hard Drive
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796365-004 HPE HPE 1.2TB 12G 10K SFF SAS SC Hard Drive
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785410-001 HP 300GB 12G SAS 10K RPM SFF SC HARD DRIVE-
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EG1800JFHMH HPE 1.8TB 12G 10K SFF SAS SC Hard Drive
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DG146BABCF HPE 146GB 10K 3G DP SFF SAS Hard Drive
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DG0146BAQPP HPE 146GB 10K 3G DP SFF SAS Hard Drive
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DG0146BAHZP HPE 146GB 10K SP SFF SAS NHP Hard Drive
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713828-B21 HPE 600GB 10K 6G SFF SAS Hard Drive
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DG146A4960 HPE 146GB 10K SP SFF SAS Hard Drive
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MB1000FCWDE HPE 1TB 7.2K DP LFF SAS Hard Drive
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695507-002 HPE 2TB 7.2K 6G LFF SAS M6612 Hard Drive
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442820-B21 HPE 72GB 10K SFF RPM Non HOT Plug SAS Hard Drive
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632085-003 HPE 1TB 7.2K 6G MDL SFF SATA QR Hard Drive
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698695-001 HPE 2TB 7.2K 6G LFF SAS M6612 Hard Drive
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649402-002 HPE 1TB 7.2K 1.5G LFF SATA Hard Drive
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375874-022 HPE 1TB 7.2K DP LFF SAS Hard Drive
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872295-002 HPE 4TB 7.2K 6G LFF SATA SC Hard Drive
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702659-001 HPE 600GB 10K 12G SFF SAS SC Hard Drive
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781514-003 HPE 300GB 10K 12G SFF SAS SC Hard Drive
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759202-003 HPE 600GB 12G 15K LFF SAS Hard Drive
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EH0600JDYTL HPE 600GB 12G 15K LFF SAS SC Hard Drive
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ST600MP0005-HPE 600GB 15K 12G SAS SFF SC Hard Drive
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79-00000523-SAS HPE Tray for MSA2000 LFF SAS HDD
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HUSMM1640ASS204-HPE 400GB 12G SFF SAS Hard Drive
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Seagate IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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Toshiba N300 Pro 8TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG780UZSVB
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Internal Hard Drives

Need more storage for your games, images, music and movies? An internal hard drive upgrade or a second drive may be what you are looking for. Internal hard drives are used as main storage in desktop PCs, workstations, and servers. Nowadays, small form factor internal hard drives are used in consumer electronic products like mp3 players and digital cameras as well. Regardless of your application, Newegg.com presents an extensive selection of internal hard drive products for you to choose from, from hard drive manufacturers like Western Digital, Seagate, HItachi, LaCie, Maxtor and others.

Understanding Internal Hard Drive Specifications

When selecting a hard drive, there are two main things to consider: speed and capacity. Budget permitting, always go for the fastest drive you can. Speed is measured using the RPM figure a faster rotational speed means greater performance, especially in games, but may cause greater heat and noise. The capacity, measured in GB (gigabytes), should depend on your own storage requirements. A higher capacity drive will invariably cost more than a lower capacity drive, so a balance must usually be struck between capacity and cost. In addition, the hard drive interface IDE, SATA, or SCSI determine a drives application: IDE and SATA for personal storage and SCSI for enterprise, mission critical storage.

Bestselling Desktop Internal Hard Drives Reviews:

Anonymous
4/24/2026 9:44:50 AM
Synology 4tb disk

“ Installation was simple and the drive has performed well. ”

Synology 4TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-4T)
Anonymous
4/22/2026 11:30:39 AM
Delivered very quick and drive is as described.

“ This is the second drive I purchased this week from Newegg. ”

WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX
Eric W.
4/17/2026 9:54:02 AM
Never had an issue with Iron Wolf

“ I've been using Iron Wolf drives (Pro and not pro) over the years, and have zero reason to try anything else. ”

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
Alex A.
4/15/2026 8:31:38 AM
Just works!

“ I bought this for use in an external 4-bay USB drive enclosure to add to 3 older Seagate Compute 8TB drives for a total formatted capacity of 43.6TB. ”

Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
Keith V.
4/9/2026 4:20:16 PM
High Capacity Plug and Play Drive

“ I bought this during the holiday deal so assumed there was a chance I got a questionable drive, but this is holding up just fine. ”

Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
destruk
4/2/2026 2:08:29 PM
Good if you get one that works?

“ Overall, Im very pleased with this drive and would definitely recommend it. ”

Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
Kurt M.
3/2/2026 10:26:59 AM
Great as Usual

“ Hard drive for over 2 weeks no issues ”

Seagate IronWolf ST4000VN006 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Robert W.
2/20/2026 9:57:19 AM
No issues so far. Happy with drive performance

“ I purchased this on sale to use as an external drive for data storage and backups, though not in a raid or nas environment. ”

WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX