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Western Digital newegg Western Digital WD VelociRaptor WD5000HHTZ 500GB 10000 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (203)
  •  Perfect for workstations...
  •  Ultra fast,Ultra-cool op...
  •  Rock-solid reliability
  • Features: Ultra fast Rock-solid reliability High capacity Ultra-cool operation Advanced Format (AF) IcePack mounting frame Rotary Acceleration Feed Forward (RAFF) NoTouch ramp load technology Environmentally conscious Pre-emptive Wear Leveling (PWL)
  • Usage: For Ultimate Performance
  • Model #: WD5000HHTZ
  • Item #: N82E16822236244
  • 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
  (41)
  •  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

Seagate newegg Seagate ST4000NC000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Terascale Hard Drive With Instant Secure Erase Bare Drive
  •  Affordable 24x7 scalable...
  •  Most efficient means of ...
  •  ISE feature for easy dri...
  • Average Latency: 5.1ms
  • Features: HDD Capacity to Grow On -4TB drives for maximum scalability -Energy efficient at under 4.3Watts operating power -SATA 6Gb/s interface for easy integration Reliable HDD and Low-Power for Efficient Storage -Enterprise-ready RV tolerance for efficient multi-drive systems -Bad-block management (BBM) and improved error detection -Lowest power consumption in a 3.5-inch form factor Secure and Easy Drive Disposal -Every day, thousands of terabytes of data leave data centers as old systems are retired -Seagate Instant Secure Erase feature renders all data on the hard drive unreadable in a matter of seconds versus hours
  • Model #: ST4000NC000
  • Item #: N82E16822178401
  • Return Policy: View Return Policy

Western Digital newegg WD Blue WD10SPCX 1TB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  •  Solid performance and re...
  •  Massive capacity,Slim de...
  •  Height:7.0mm
  • Average Latency: 5.5ms
  • Features: Low power consumption - State-of-the-art seeking algorithms and advanced power management features ensure low power consumption and long battery life. Quiet - In a notebook drive, silence is golden. WD's exclusive noise reducing technologies yield one of the quietest 2.5-inch hard drives on the market. The original - WD Blue drives are designed and manufactured with the proven technology found in WD's original award-winning hard drives. WD quality - Built to the highest standards of quality and reliability, these drives offer the features and capacity ideal for your everyday computing needs. Available SATA 6 Gb/s interface - The SATA 6 Gb/s interface provides greater flexibility for use with the latest operating systems as well as backwards compatibility to legacy systems with SATA 3 Gb/s requirements. Compatible -...
  • Model #: WD10SPCX
  • Item #: N82E16822236541
  • Return Policy: View Return Policy

Seagate newegg Seagate ST4000VX000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard Drive
  •  Surveillance-Optimized S...
  •  Consistent Performance i...
  •  Improved Time-To-Ready f...

Seagate newegg Seagate Cheetah 15K.7 ST3600057SS 600GB 15000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Enterprise Hard Drive Bare Drive
  •  15000 RPM 16MB Cache
  •  SAS 6Gb/s
  •  5 years limited
  • Average Latency: 2ms
  • Features: Includes advanced read/write technology for an unrecoverable error rate of 1x10E16 and an annualized failure rate (AFR) of 0.55 percent
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST3600057SS
  • Item #: N82E16822148617
  • Return Policy: View Return Policy

Seagate newegg Seagate Constellation ES.3 ST1000NM0023 1TB 7200 RPM 128MB Cache SAS 6Gb/s 3.5" Enterprise Internal Hard Drive Bare Drive
  (6)
  •  Perfect for reliable, 24...
  •  Predictable 7200-RPM ...
  •  Best-in-class energy eff...
  • $123.99
  • $118.99
  • Free Shipping

Western Digital newegg WD Purple WD40PURX 4TB SATA 6.0Gb/s 3.5" Hard Drive
  (5)
  •  Built for 24/7 surveilla...
  •  AllFrame technology for ...
  •  Designed to support up t...
  • Features: Built for 24/7 surveillance AllFrame technology for better performance Designed to support up to 32 HD cameras
  • Usage: For Video Surveillance
  • Model #: WD40PURX
  • Item #: N82E16822236659
  • Return Policy: View Return Policy
  • from $187.69
  • Free Shipping

Seagate newegg Seagate Constellation ES.3 ST4000NM0023 4TB 7200 RPM 128MB Cache SAS 6Gb/s 3.5" Enterprise Internal Hard Drive Bare Drive
  (4)
  • $359.99
  • $329.99
  • Save: 8%
  • Free Shipping

Seagate newegg Seagate Constellation ES.3 ST3000NM0033 3 TB 3.5" Internal Hard Drive
  (3)
  •  Perfect for reliable, 24...
  •  SATA 6Gb/s,7200 RPM ...
  •  Best-in-class energy eff...
  • Average Latency: 4.16ms
  • Parts: 5 Year
  • Model #: ST3000NM0033
  • Item #: N82E16822178300
  • Return Policy: Standard Return Policy

WL 320GB 8MB Cache 7200RPM SATA2 3.5" Internal Desktop Hard Drive (For DELL, HP, Compaq, eMachine, IBM, Gateway) -1 Year Warranty
  (3)
  •  7200 RPM 8MB Cache
  •  SATA 3.0Gb/s
  •  For Daily Computing
  • Usage: For Daily Computing
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WL320SATA872
  • Item #: 9SIA5AD1R66132
  • Return Policy: View Return Policy
  • $29.95
  • Free Shipping
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Add WL 320GB 8MB Cache 7200RPM SATA2 3.5" Internal Desktop Hard Drive (For DELL, HP, Compaq, eMachine, IBM, Gateway) -1 Year Warranty to cart

Seagate newegg Seagate Cheetah 10K.7 ST373207LW 74GB 10000 RPM 8MB Cache SCSI Ultra320 68pin 3.5" Hard Drive Bare Drive
  •  10000 RPM 8MB Cache
  •  SCSI Ultra320 68pin
  •  5 years limited
  • Average Latency: 3ms
  • Features: Some motherboards are not compatible with the SCSI interface. Please confirm which interface is appropriate for your system! Exclusive background media scan and enhanced error correction code Low power and cooling requirements
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST373207LW
  • Item #: N82E16822148048
  • Return Policy: View Return Policy

Western Digital newegg Western Digital RE WD1001FYYG 1TB 7200 RPM 32MB Cache SAS 6Gb/s 3.5" Enterprise Internal Hard Drive Bare Drive
  (2)
  •  Durable capacity storage...
  •  Heavy application worklo...
  •  24X7X365 reliability
  • Features: Industry's highest capacity nearline drive - WD RE SAS hard drives are available in capacities ranging from 1 TB to 4 TB to suit even the most demanding storage needs. Highest performance for business-critical applications - WD RE delivers 6 Gb/s transfer rates, sustained sequential data rates of 182 MB/s and high random I/O rates. Designed for quality and reliability - With a field-tested 1.4 million hour MTBF, this high performance drive delivers the highest level of reliability for 24x7 operation in up to 100% duty cycle applications. Dual port, full duplex connectivity - Offers higher reliability, performance and data availability by eliminating single points of failure, designed for leading business-critical Enterprise topologies. Environmentally conscious - In addition to being RoHS compliant, WD RE is built with halogen-reduced components. ...
  • Model #: WD1001FYYG
  • Item #: N82E16822236356
  • Return Policy: Standard Return Policy

Western Digital newegg WD Re WD5003ABYZ 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Datacenter Capacity Internal Hard Drive Bare Drive
  (2)
  •  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 #: WD5003ABYZ
  • Item #: N82E16822236526
  • Return Policy: Standard Return Policy
  • $79.99
  • Free Shipping

Western Digital newegg Western Digital RE WD2001FYYG 2TB 7200 RPM 32MB Cache SAS 6Gb/s 3.5" Enterprise Internal Hard Drive Bare Drive
  (2)
  •  Durable capacity storage...
  •  Heavy application worklo...
  •  24X7X365 reliability
  • Features: Industry's highest capacity nearline drive - WD RE SAS hard drives are available in capacities ranging from 1 TB to 4 TB to suit even the most demanding storage needs. Highest performance for business-critical applications - WD RE delivers 6 Gb/s transfer rates, sustained sequential data rates of 182 MB/s and high random I/O rates. Designed for quality and reliability - With a field-tested 1.4 million hour MTBF, this high performance drive delivers the highest level of reliability for 24x7 operation in up to 100% duty cycle applications. Dual port, full duplex connectivity - Offers higher reliability, performance and data availability by eliminating single points of failure, designed for leading business-critical Enterprise topologies. Environmentally conscious - In addition to being RoHS compliant, WD RE is built with halogen-reduced components. ...
  • Model #: WD2001FYYG
  • Item #: N82E16822236355
  • Return Policy: Standard Return Policy

Seagate newegg Seagate Constellation CS ST1000NC000 1 TB 3.5" Internal Hard Drive
  (2)
  • $91.99
  • $86.99
  • Save: 5%
  • Free Shipping

Hewlett-Packard newegg HP 411089-B22 300GB 15000 RPM Ultra320 SCSI 3.5" Hard Drive Retail
  •  15000 RPM
  •  Ultra320 SCSI
  •  1 year limited
  • Features: Some motherboards are not compatible with the SCSI interface. Please confirm which interface is appropriate for your system!
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: 411089-B22
  • Item #: N82E16822332010
  • Return Policy: View Return Policy
  • from $337.50
  • $7.99 Shipping

Western Digital newegg WD Purple WD10PURX 1TB SATA 6.0Gb/s 3.5" Hard Drive
  (1)
  •  Built for 24/7 surveilla...
  •  AllFrame technology for ...
  •  Designed to support up t...
  • Features: Built for 24/7 surveillance AllFrame technology for better performance Designed to support up to 32 HD cameras
  • Usage: For Video Surveillance
  • Model #: WD10PURX
  • Item #: N82E16822236662
  • Return Policy: Standard Return Policy
  • from $69.99
  • Free Shipping

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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