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HP 586592-002 - 450GB 3.5" SAS 15,000 RPM 6Gb/s HS Enterprise Hard Drive
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  • $899.00 
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HPE 861590-B21 8 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $899.00 
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HPE 785073-B21 600 GB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $899.00 
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HPE 834028-B21 8 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
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HPE 3TB MB3000FBUCN 638521-002 HUS723030ALS640 0B26320 7.2K SAS 6Gbps 3.5" LFF
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HPE P00441-001 2.40 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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HPE P26306-B21 PM6 3.84 TB Solid State Drive - 2.5" Internal - SAS (24Gb/s SAS) - Read Intensive
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Refurbished HPE P26306-B21 PM6 3.84 TB Solid State Drive - 2.5" Internal - SAS (24Gb/s SAS) - Read Intensive
  • Part Number: P26306-B21
  • NAND Flash Memory Type: Solid State Drive
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: P26306-B21
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  • $1,199.00 
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375870-B21 HPE 72GB 15K SP LFF SAS Hard Drive
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432341-B21 HPE 750GB 7.2K 1.5G LFF SATA Hard Drive
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HPE 873035-001 X400 128 GB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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Refurbished HPE 873035-001 X400 128 GB Solid State Drive - 2.5" Internal - SATA (SATA/600)
  • NAND Flash Memory Type: Solid State Drive
  • Model #: 873035-001
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HPE 822563-B21 1.60 TB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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Refurbished HPE 822563-B21 1.60 TB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
  • Part Number: 822563-B21
  • NAND Flash Memory Type: Multi-Level-Cell
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: 822563-B21
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  • $1,199.00 
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689287-002 HPE 450GB 10K 6G SFF SAS SC Hard Drive
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HPE 869386-B21 1.60 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $1,229.99 
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MB3000FBUCN HPE 3TB 7.2K 6G LFF SAS Hard Drive
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HPE 875311-B21 480 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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HPE N9X92A 3.20 TB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $1,905.00 
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MB4000FCWDK HPE 4TB 7.2K 6G SAS DP Hard Drive
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HPE 873359-B21 400 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $1,199.00 
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HPE P04531-B21 800 GB Solid State Drive - 3.5" Internal - SAS (12Gb/s SAS) - Mixed Use
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HPE 804631-B21 1.60 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $1,199.00 
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HPE 877788-B21 1.92 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $1,155.00 
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HPE 872374-B21 400 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $1,199.00 
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HPE 787336-001 400 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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EG000300JWEBF HPE 300GB 10K 12G SFF SAS SC Hard Drive
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HPE 875474-B21 960 GB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $1,199.00 
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652749-B21 HPE 1TB 7.2K 6G SFF SAS SC Hard Drive
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  • $899.00 
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HPE 632494-B21 400 GB Solid State Drive - 2.5" Internal - SAS (6Gb/s SAS)
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Refurbished HPE 632494-B21 400 GB Solid State Drive - 2.5" Internal - SAS (6Gb/s SAS)
  • NAND Flash Memory Type: Solid State Drive
  • Model #: 632494-B21
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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