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2.5TB and higher100007603 600361769 (52)
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Seagate100007603 50001305 (95)
Hewlett-Packar...100007603 50001186 (83)
Western Digital100007603 50001306 (83)
IBM100007603 50001302 (30)
HGST100007603 50001984 (21)
Toshiba100007603 50001259 (18)
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Buffalo Technology100007603 50001646 (6)
Cisco Systems, Inc.100007603 50001467 (6)
DELL100007603 50010772 (2)
GENERIC100007603 50001281 (11)
Iomega Corp100007603 50001090 (1)
Lenovo100007603 50010418 (14)
Maxtor100007603 50001304 (10)
Netgear Inc.100007603 50001233 (1)
Quantum100007603 50001303 (1)
SAMSUNG100007603 50001077 (3)
TOMOTOP100007603 50083069 (1)
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Fibre Channel100007603 600003461 (1)
IDE Ultra ATA100 / ATA-6100007603 600003442 (19)
IDE Ultra ATA133 / ATA-7100007603 600003441 (10)
SAS 3Gb/s100007603 600003482 (25)
SAS 6Gb/s100007603 600003485 (79)
SATA100007603 600003475 (12)
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SATA 1.5Gb/s100007603 600003453 (8)
SATA 3.0Gb/s100007603 600003459 (76)
SATA 6.0Gb/s100007603 600003483 (101)
SCSI Ultra320 68pin100007603 600003444 (1)
SCSI Ultra320 80pin100007603 600003445 (3)
Serial Attached SCSI (SAS)100007603 600003464 (6)
Ultra320 SCSI100007603 600003467 (7)
RPM
5400 RPM100007603 600003341 (19)
5700 RPM100007603 600363351 (1)
5900 RPM100007603 600003348 (5)
7200 RPM100007603 600003340 (215)
10000 RPM100007603 600003344 (21)
15000 RPM100007603 600003343 (71)
IntelliPower100007603 600171889 (17)
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Western Digital newegg Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (273)
  •  IntelliPower 64MB Cache ...
  •  SATA 6.0Gb/s
  •  For NAS systems
  • Packaging: Bare Drive
  • Features: NAS compatibility The secret is in the technology - NASware 3D Active Balance Plus Premium support Enhanced reliability Energy efficient
  • Usage: For NAS systems
  • Model #: WD30EFRX
  • Item #: N82E16822236344
  • Return Policy: Standard Return Policy
  • $150.99
  • Free Shipping
Add Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Western Digital newegg Western Digital Red WD20EFRX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (222)
  •  IntelliPower 64MB Cache ...
  •  SATA 6.0Gb/s
  •  For NAS systems
  • Packaging: Bare Drive
  • Features: NAS compatibility The secret is in the technology - NASware 3D Active Balance Plus Premium support Enhanced reliability Energy efficient
  • Usage: For NAS systems
  • Model #: WD20EFRX
  • Item #: N82E16822236343
  • Return Policy: Standard Return Policy
  • $119.99
  • Free Shipping
Add Western Digital Red WD20EFRX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Western Digital newegg Western Digital WD Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (1,305)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  •  For Daily Computing
  • Packaging: Bare Drive
  • Usage: For Daily Computing
  • Model #: WD10EZEX
  • Item #: N82E16822236339
  • Return Policy: Standard Return Policy
  • $74.99
  • $64.99
  • Save: 13%
  • Free Shipping
Add Western Digital WD Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Barracuda 7200.14 ST3000DM001 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (705)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  •  Average Latency: 4.16ms
  • Packaging: Bare Drive
  • Average Seek Time: <8.5ms
  • Average Write Time: <9.5ms
  • Average Latency: 4.16ms
  • Model #: ST3000DM001
  • Item #: N82E16822148844
  • Return Policy: Standard Return Policy
  • $134.99
  • Free Shipping
Add Seagate Barracuda 7200.14 ST3000DM001 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Western Digital newegg Western Digital WD Green WD20EARX 2TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (336)
  •  64MB Cache
  •  SATA 6.0Gb/s
  •  For Low Power Storage
  • Packaging: Bare Drive
  • Features: IntelliPower
  • Usage: For Low Power Storage
  • Parts: 2 years limited
  • Model #: WD20EARX
  • Item #: N82E16822136891
  • Return Policy: Standard Return Policy
  • $99.99
  • Free Shipping
Add Western Digital WD Green WD20EARX 2TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Western Digital newegg Western Digital WD Black WD5003AZEX 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (3,113)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  •  For Power Computing
  • Packaging: Bare Drive
  • Features: Dual actuator technology StableTrac NoTouch ramp load technology High Performance Electronics Architecture Massive Capacity Compatible
  • Usage: For Power Computing
  • Model #: WD5003AZEX
  • Item #: N82E16822236345
  • Return Policy: Standard Return Policy
  • $74.99
  • Free Shipping
Add Western Digital WD Black WD5003AZEX 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate SV35 Series ST1000VX000 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive
  (26)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s ...
  • Packaging: Bare Drive
  • Average Seek Time: <8.5ms
  • Average Write Time: <9.5ms
  • Features: Enhances data storage reliability in video security systems. Cost-effective, massive capacity - designed for video storage applications. Build better surveillance systems. High-performance surveillance storage solutions. Surveillance hard drives with enterprise-class reliability.
  • Model #: ST1000VX000
  • Item #: N82E16822148912
  • Return Policy: Standard Return Policy
  • $89.99
  • Free Shipping
Add Seagate SV35 Series ST1000VX000 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive to cart

Western Digital newegg Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (273)
  •  IntelliPower 64MB Cache ...
  •  SATA 6.0Gb/s
  •  For NAS systems
  • Packaging: Bare Drive
  • Features: NAS compatibility The secret is in the technology - NASware 3D Active Balance Plus Premium support Enhanced reliability Energy efficient
  • Usage: For NAS systems
  • Model #: WD30EFRX
  • Item #: N82E16822236344
  • Return Policy: Standard Return Policy
  • $150.99
  • Free Shipping
Add Western Digital Red WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Constellation CS ST3000NC002 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  • Packaging: Bare Drive
  • Average Seek Time: 9.5ms
  • Average Write Time: 10.5ms
  • Features: Affordable storage for 24x7 cloud data center replicated environments. High vibration tolerance for reliable enterprise-class performance. Save on power and cooling costs with the lowest 3.5-inch enterprise drive operating power. Advanced format logical block management for industry-leading data integrity. 3TB capacity with 7200-RPM performance. Lower TCO with Seagate Instant Secure Erase for simple drive repurposing or disposal. SATA 6Gb/s interface optimizes burst performance. Best-Fit Applications - Cloud storage servers - Cloud storage arrays - Cloud backup storage - Direct-attached external storage devices (DAS) - Network-attached storage devices (NAS)
  • Model #: ST3000NC002
  • Item #: N82E16822178263
  • Return Policy: Standard Return Policy
  • $249.99
  • $219.99
  • Save: 12%
  • Free Shipping
Add Seagate Constellation CS ST3000NC002 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive to cart

Seagate newegg Seagate ST310005N1A1AS-RK 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive
  (69)
  • $79.99
  • Free Shipping
Add Seagate ST310005N1A1AS-RK 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Barracuda ST250DM000 250GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (24)
  • $54.99
  • $2.99 Shipping
Add Seagate Barracuda ST250DM000 250GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (563)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  • Packaging: Bare Drive
  • Average Latency: 4.16ms
  • Features: Double your capacity and drive down costs with the industry's first 1TB-per-disk hard drive technology. SATA 6Gb/s interface optimizes burst performance Seagate AcuTrac servo technology delivers dependable performance, even with hard drive track widths of only 75 nanometers. Seagate OptiCache technology boosts overall performance by as much as 45% over the previous generation. Seagate SmartAlign technology provides a simple, transparent migration to Advanced Format 4K sectors. Free Seagate DiscWizard software allows you to install a 3TB hard drive in Windows, including XP, without UEFI BIOS.
  • Model #: ST1000DM003
  • Item #: N82E16822148840
  • Return Policy: Standard Return Policy
  • $74.99
  • Free Shipping
Add Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Cheetah 15K.7 ST3300657SS 300GB 15000 RPM SAS 6Gb/s 3.5" Internal Hard Drive
  (6)
  •  300GB
  •  15000 RPM 16MB Cache
  •  SAS 6Gb/s
  • Packaging: Bare Drive
  • Average Latency: 2ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST3300657SS
  • Item #: N82E16822148538
  • Return Policy: Standard Return Policy
  • $229.99
  • $209.99
  • Save: 9%
  • $7.17 Shipping
Add Seagate Cheetah 15K.7 ST3300657SS 300GB 15000 RPM SAS 6Gb/s 3.5" Internal Hard Drive to cart

Toshiba newegg TOSHIBA DT01ACA100 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (45)
  •  7200 RPM 32MB Cache
  •  SATA 6.0Gb/s
  • Packaging: Bare Drive
  • Average Latency: 4.16ms
  • Features: 7,200 RPM Rotational Speed Low Power Advanced Format 512e Eco-friendly halogen-free design
  • Model #: DT01ACA100
  • Item #: N82E16822149382
  • Return Policy: Standard Return Policy
  • $69.99
  • Free Shipping
Add TOSHIBA DT01ACA100 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Western Digital newegg Western Digital WD Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (3,113)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  •  For Power Computing
  • Packaging: Bare Drive
  • Usage: For Power Computing
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: WD1002FAEX
  • Item #: N82E16822136533
  • Return Policy: Standard Return Policy
  • $94.99
  • Free Shipping
Add Western Digital WD Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Barracuda STBD2000101 2TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Retail kit
  (87)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  • $109.99
  • $99.99
  • Save: 9%
  • Free Shipping
Add Seagate Barracuda STBD2000101 2TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Retail kit to cart

Western Digital newegg Western Digital WD Blue WD2500AAKX 250GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (1,305)
  •  7200 RPM 16MB Cache
  •  SATA 6.0Gb/s
  •  For Daily Computing
  • Packaging: Bare Drive
  • Features: Solid performance - WD Caviar Blue drives are built to deliver rock-solid performance ideal for family and business computing. Ultra cool and quiet - Keeping the drive cool enhances reliability. WD continues to develop new and innovative ways to keep drives cool while they are operating which helps protect the drive and the data stored on it. NoTouch ramp load technology - The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit. IntelliSeek - Calculates optimum seek speeds to lower power consumption, noise and vibration. Advanced Format Technology (AF) - Technology being adopted by WD and other drive manufacturers as one of multiple ways to continue growing hard drive capacities. AF is a more efficient media forma...
  • Model #: WD2500AAKX
  • Item #: N82E16822136771
  • Return Policy: Standard Return Policy
  • $69.99
  • $57.99
  • Save: 17%
  • Free Shipping
Add Western Digital WD Blue WD2500AAKX 250GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Western Digital newegg Western Digital WD Green WD30EZRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (237)
  •  IntelliPower 64MB Cache ...
  •  SATA 6.0Gb/s
  •  For Low Power Storage
  • Packaging: Bare Drive
  • Usage: For Low Power Storage
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: WD30EZRX
  • Item #: N82E16822136874
  • Return Policy: Standard Return Policy
  • $139.99
  • Free Shipping
Add Western Digital WD Green WD30EZRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Seagate newegg Seagate Constellation ES ST1000NM0011 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive
  (12)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  • Packaging: Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Average Latency: 4.16ms
  • Model #: ST1000NM0011
  • Item #: N82E16822148784
  • Return Policy: Standard Return Policy
  • $139.99
  • Free Shipping
Add Seagate Constellation ES ST1000NM0011 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive to cart

Seagate newegg Seagate SV35 Series ST3000VX000 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (26)
  •  7200 RPM 64MB Cache
  •  SATA 6.0Gb/s
  •  MTBF of >1M hours; AFR o...
  • Packaging: Bare Drive
  • Features: 1TB-per-disk technology provides cost-effective 1TB, 2TB and 3TB capacities MTBF of >1M hours; AFR of <1% SATA 6Gb/s interface AcuTrac technology to enhance reliability even in tough operating environments
  • Model #: ST3000VX000
  • Item #: N82E16822148901
  • Return Policy: Standard Return Policy
  • $169.99
  • $159.99
  • Save: 6%
  • Free Shipping
Add Seagate SV35 Series ST3000VX000 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive to cart

Internal Hard Drives

Use this link for more information on Internal Hard Drives in our Learning Center

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.

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