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Seagate newegg Seagate Hybrid Drive  ST2000DX001 2TB MLC/8GB 64MB Cache SATA 6.0Gb/s NCQ 3.5" Desktop SSHD
  (172)
  •  Solid state speed for fa...
  •  Innovative use of solid ...
  •  NAND Flash and HDD techn...
  • Average Seek Time: <12ms
  • Average Write Time: <12ms
  • Features: The first solid state hybrid drive (SSHD) in a 3.5-inch form factor Boots and performs like an SSD SATA 6Gb/s with NCQ for interface speed Faster than a traditional HDD All-in-one design for simplicity and ease of installation Installs and operates like a standard hard drive: cross-platform, no drivers or additional software required Massive 2TB capacities combined with SSD-like performance Best-Fit Applications -Desktop PCs -Workstations -High-performance direct-attached storage (DAS) devices
  • Model #: ST2000DX001
  • Item #: N82E16822178380
  • Return Policy: Standard Return Policy

Seagate newegg Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (1,102)
  •  SATA 6Gb/s, 64MB Cache
  •  High performance with Se...
  •  2-year limited warranty
  • 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

Western Digital newegg Western Digital WD Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (969)
  •  Solid performance and re...
  •  Perfect for Desktop PCs
  •  2-year limited warranty

Western Digital newegg WD BLACK SERIES WD1003FZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (216)
  •  Next-generation desktop ...
  •  Improved Architectural D...
  •  5-year limited warranty
  • Features: Next-generation desktop performance hard drive designed to intensify your PC experience Inspiring performance and up to 4 TB capacity Improved Architectural Designs: Dual Core Processor, High Resolution Controller (HRC), StableTrac Technology Improved Data Protection: Vibration Control Technology (VCT), Corruption Protection Technology (CPT), NoTouch Ramp Load Technology Superior responsiveness with the next-generation speed that you need
  • Model #: WD1003FZEX
  • Item #: N82E16822236625
  • Return Policy: Standard Return Policy

Seagate newegg Seagate Barracuda 7200.14 ST3000DM001 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (1,170)
  •  SATA 6Gb/s, 64MB Cache
  •  High performance with Se...
  •  2-year limited warranty
  • Average Seek Time: <8.5ms
  • Average Write Time: <9.5ms
  • Average Latency: 4.16ms
  • Features: Seagate OptiCache technology improves performance by up to 45% Seagate AcuTrac technology enables reliable read/write performance even in high touch operating environments Seagate SmartAlign technology for no-hassle transition to Advanced Format 4K sector technology Free DiscWizard software enables 3TB drive use on legacy PC BIOS as well as Windows XP-based systems SATA 6Gb/s maximizes data transfer rates
  • Model #: ST3000DM001
  • Item #: N82E16822148844
  • Return Policy: Standard Return Policy

Western Digital newegg Western Digital Red NAS Hard Drive WD30EFRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" NAS Hard Drive
  (523)
  •  Storage for 1 to 5 bay N...
  •  NASware 2.0
  •  3D Active Balance Plus
  • Height (maximum): 25.4mm
  • Width (maximum): 101.6mm
  • Length (maximum): 147mm
  • Features: Storage for 1 to 5 bay NAS solutions - WD Red is designed specifically for NAS systems that have 1 to 5 drive bays in both 3.5-inch and 2.5-inch form factors. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and for the demanding system requirements of home and small office NAS. NASware grows to 2.0 - WD Red now supports small NAS systems from 1 to 5 bays thanks to NASware 2.0, which further improves drive compatibility and reliability. At 48 TB of total capacity in a 5 bay system, WD Red expands your NAS experience. 3D Active Balance Plus - Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly ba...
  • Model #: WD30EFRX
  • Item #: N82E16822236344
  • Return Policy: Standard Return Policy

Western Digital newegg WD BLACK SERIES WD2003FZEX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (108)
  •  Next-generation desktop ...
  •  Improved Architectural D...
  •  5-year limited warranty
  • Features: Next-generation desktop performance hard drive designed to intensify your PC experience Inspiring performance and up to 4 TB capacity Improved Architectural Designs: Dual Core Processor, High Resolution Controller (HRC), StableTrac Technology Improved Data Protection: Vibration Control Technology (VCT), Corruption Protection Technology (CPT), NoTouch Ramp Load Technology Superior responsiveness with the next-generation speed that you need
  • Model #: WD2003FZEX
  • Item #: N82E16822236624
  • Return Policy: Standard Return Policy

Western Digital newegg Western Digital WD Blue WD5000AAKX 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (950)
  •  Solid performance and re...
  •  Perfect for Desktop PCs
  •  2-year limited warranty
  • 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. ShockGuard - Instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar Blue drives to achieve industry-leading shock specifications. Compatible - W...
  • Model #: WD5000AAKX
  • Item #: N82E16822136769
  • Return Policy: Standard Return Policy

Western Digital newegg Western Digital WD Black WD5003AZEX 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (215)
  •  Maximum performance for ...
  •  Dual processor speed
  •  Rock-solid mechanical ...
  • 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

Western Digital newegg WD Green WD40EZRX 4TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - Bulk Bare Drive
  (92)
  •  IntelliPower 64MB Cache ...
  •  SATA 6.0Gb/s
  •  4TB
  • Features: Cool and quiet -WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics, perfect for ultra-quiet PCs and external drives. Reduced power consumption -Best-in-class power management technology delivers significant power savings and solid performance. Innovative design -WD Green drives are innovatively designed and manufactured with lead-free, conflict-free and halogen-free materials. IntelliSeek -Calculates optimum seek speeds to lower power consumption, noise and vibration. 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.
  • Model #: WD40EZRX
  • Item #: N82E16822236604
  • Return Policy: Standard Return Policy

HGST newegg HGST Deskstar NAS H3IKNAS40003272SN(0S03664) 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" High-Performance Hard Drive for Desktop NAS Systems Bare Drive
  (52)
  •  1 million hours MTBF
  •  No additional hardware r...
  •  3-Year limited warranty
  • Features: The Deskstar NAS hard drive is a 7200 RPM 3.5-inch hard drive that provides an exceptional blend of reliability and performance, making it an ideal solution for consumer and commercial desktop NAS systems. This NAS-ready hard drive from HGST delivers media transfer rates that are as much as 20% faster than 5400 RPM drives and seek times less than 12ms. Furthermore, Deskstar NAS hard drives incorporate a rotational vibration sensor and achieve reliability of 1M hours MTBF.All HGST hard drives are designed to the highest quality standards with field-proven components.They are backed by HGST worldwide technical support and integration services, enabling customers around the globe to bring their products to market quickly. 7200 RPM performance 1 million hours MTBF 6Gb/s SATA interface No additional hardware required
  • Model #: H3IKNAS40003272SN(0S03664)
  • Item #: N82E16822145912
  • Return Policy: Standard Return Policy

Western Digital newegg Western Digital WD Blue WD2500AAKX 250GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (184)
  •  Solid performance and re...
  •  Perfect for Desktop PCs
  •  2-year limited warranty
  • 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 format that enables increased areal de...
  • Model #: WD2500AAKX
  • Item #: N82E16822136771
  • Return Policy: Standard Return Policy

Toshiba newegg TOSHIBA DT01ACA300 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (170)
  •  7200 RPM performance, 6 ...
  •  For use in consumer and ...
  •  Halogen-free design and ...
  • Average Latency: 4.17ms
  • Features: 7,200 RPM Rotational Speed Low Power Advanced Format 512e
  • Model #: DT01ACA300
  • Item #: N82E16822149408
  • Return Policy: Standard Return Policy

Western Digital newegg WD Re WD1003FBYZ 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive Bare Drive
  (11)
  •  Durable capacity storage...
  •  Heavy application worklo...
  •  24 x 7 x 365 reliability...
  • Features: Ideal for enterprise servers and storage, video surveillance,and other write-intensive applications Industry's highest capacity nearline drive Highest performance for business-critical applications Designed for quality and reliability Dual processor Vibration Protection Dual actuator technology StableTrac Multi-axis shock sensor RAID-specific, time-limited error recovery (TLER) NoTouch ramp load technology Thermal extended burn-in test Dynamic fly height technology
  • Model #: WD1003FBYZ
  • Item #: N82E16822236525
  • Return Policy: Standard Return Policy

Western Digital newegg Western Digital WD AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (86)
  •  Ultimate reliability for...
  •  Exclusive SilkStream tec...
  •  24x7 reliability for alw...
  • Features: Highest capacity for audio/video storage 24x7 reliability Reduced power consumption Quiet IntelliSeek IntelliPower SilkStream IntelliPark Preemptive Wear Leveling (PWL) Advanced Format (AF) 1 million hours MTBF
  • Usage: For Video Surveillance
  • Model #: WD10EURX
  • Item #: N82E16822136941
  • Return Policy: Standard Return Policy

Toshiba newegg TOSHIBA DT01ACA200 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (181)
  •  7200 RPM performance, 6 ...
  •  For use in consumer and ...
  •  Halogen-free design and ...
  • Average Latency: 4.17ms
  • Features: 7,200 RPM Rotational Speed Low Power Advanced Format 512e
  • Model #: DT01ACA200
  • Item #: N82E16822149407
  • Return Policy: Standard Return Policy

Western Digital newegg Western Digital Red NAS Hard Drive WD20EFRX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (319)
  •  Storage for 1 to 5 bay N...
  •  NASware 2.0
  •  3D Active Balance Plus
  • Height (maximum): 25.4mm
  • Width (maximum): 101.6mm
  • Length (maximum): 147mm
  • Features: Storage for 1 to 5 bay NAS solutions - WD Red™ is designed specifically for NAS systems that have 1 to 5 drive bays in both 3.5-inch and 2.5-inch form factors. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and for the demanding system requirements of home and small office NAS. NASware grows to 2.0 - WD Red now supports small NAS systems from 1 to 5 bays thanks to NASware 2.0, which further improves drive compatibility and reliability. At 48 TB of total capacity in a 5 bay system, WD Red expands your NAS experience. 3D Active Balance Plus - Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly b...
  • Model #: WD20EFRX
  • Item #: N82E16822236343
  • Return Policy: Standard Return Policy

Western Digital newegg WD BLACK SERIES WD4003FZEX 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  (55)
  •  Next-generation desktop ...
  •  Improved Architectural D...
  •  5-year limited warranty
  • Features: Next-generation desktop performance hard drive designed to intensify your PC experience Inspiring performance and up to 4 TB capacity Improved Architectural Designs: Dual Core Processor, High Resolution Controller (HRC), StableTrac Technology Improved Data Protection: Vibration Control Technology (VCT), Corruption Protection Technology (CPT), NoTouch Ramp Load Technology Superior responsiveness with the next-generation speed that you need
  • Model #: WD4003FZEX
  • Item #: N82E16822236622
  • Return Policy: Standard Return Policy

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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