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Western Digital newegg Western Digital WD Blue WD800JB 80GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3.5" Internal Hard Drive Bare Drive
  (1,673)
  •  7200 RPM 8MB Cache
  •  IDE Ultra ATA100 / ATA-6...
  •  2 years limited
  • Average Seek Time: 8.9ms
  • Average Write Time: 10.9ms
  • Average Latency: 4.2ms
  • Features: High-performance with 8MB Buffer
  • Model #: WD800JB
  • Item #: 9SIA0AJ1JG9960
  • Return Policy: View Return Policy
  • $179.95
  • Free Shipping

Western Digital newegg Western Digital WD Blue WD800JD 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (1,287)
  •  7200 RPM 8MB Cache
  •  SATA 3.0Gb/s
  •  2 years limited
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: WD800JD
  • Item #: 9SIA0AJ1JG9959
  • Return Policy: View Return Policy
  • $109.95
  • Free Shipping

Western Digital newegg Western Digital Raptor WD740GD 74GB 10000 RPM 8MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  (1,150)
  •  10000 RPM 8MB Cache
  •  SATA 1.5Gb/s
  •  5 years limited
  • Average Seek Time: 4.5ms
  • Average Write Time: 5.9ms
  • Average Latency: 2.99ms
  • Features: Killer Speed Enterprise-class Throughput - With WD's Ultra/150 Command Queuing technology that optimizes the sequence of data transfers to the hard drive from the host, resulting in higher performance in enterprise applications. Rugged - Enterprise-class mechanical platform with high-end bearings and actuator. Unsurpassed Reliability - 1.2 million hours MTBF
  • Model #: WD740GD
  • Item #: 9SIA0AJ1JG9972
  • Return Policy: View Return Policy
  • $199.95
  • Free Shipping

Western Digital newegg Western Digital Raptor WD1500ADFD 150GB 10000 RPM 16MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  (989)
  •  10000 RPM 16MB Cache
  •  SATA 1.5Gb/s
  •  5 years limited
  • Average Seek Time: 4.6ms
  • Average Write Time: 5.2ms
  • Average Latency: 2.99ms
  • Features: Reliable Designed and manufactured to enterprise-class standards to provide enterprise reliability in high duty cycle environments. With 1.2 million hours MTBF, these drives have the highest available reliability rating on a high capacity drive. Fast With a next-generation SATA interface, 1.5 Gb/s data transfer rate, native command queuing (NCQ), and 16 MB cache, these drives deliver optimum performance. RAID-specific, time-limited error recovery (TLER) A feature unique to WD, prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. Rotary Acceleration Feed Forward (RAFF) Optimizes operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted server...
  • Model #: WD1500ADFD
  • Item #: 9SIA0AJ1N72253
  • Return Policy: View Return Policy
  • $419.95
  • Free Shipping

Western Digital newegg Western Digital Raptor WD740ADFD 74GB 10000 RPM 16MB Cache SATA 1.5Gb/s 3.5" Internal Hard Drive Bare Drive
  (662)
  •  10000 RPM 16MB Cache
  •  SATA 1.5Gb/s
  •  5 years limited
  • Average Seek Time: 4.6ms
  • Average Write Time: 5.2ms
  • Average Latency: 2.99ms
  • Features: Reliable Designed and manufactured to enterprise-class standards to provide enterprise reliability in high duty cycle environments. With 1.2 million hours MTBF, these drives have the highest available reliability rating on a high capacity drive. Fast With a next-generation SATA interface, 1.5 Gb/s data transfer rate, native command queuing (NCQ), and 16 MB cache, these drives deliver optimum performance. RAID-specific, time-limited error recovery (TLER) A feature unique to WD, prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. Rotary Acceleration Feed Forward Optimizes operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or ne...
  • Model #: WD740ADFD
  • Item #: 9SIA0AJ1K22579
  • Return Policy: View Return Policy
  • $239.95
  • Free Shipping

Western Digital newegg Western Digital Raptor X WD1500AHFD 150GB 10000 RPM 16MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  (564)
  •  10000 RPM 16MB Cache
  •  SATA 1.5Gb/s
  •  5 years limited
  • Average Seek Time: 4.6ms
  • Average Write Time: 5.2ms
  • Average Latency: 2.99ms
  • Features: WD Raptor X focuses a large, crystal-clear lens on the drive to let you see into the inner workings and witness the drive in action. Crystalline polycarbonate lens — provides clarity, structural integrity, electrostatic discharge (ESD) protection, durability and chemical neutrality necessary for the highest performance and reliability. Native Command Queuing (NCQ) — increases data transfer in high-performance multi-processor, multi-threaded environments. Rotary Acceleration Feed Forward (RAFF ) — optimizes operation and performance when drives are used in vibration-prone multi-drive systems.
  • Model #: WD1500AHFD
  • Item #: 9SIA0AJ1SJ3822
  • Return Policy: View Return Policy
  • $199.95
  • Free Shipping

Western Digital newegg Western Digital Caviar WD800BB 80GB 7200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 3.5" Internal Hard Drive Bare Drive
  (487)
  •  7200 RPM 2MB Cache
  •  IDE Ultra ATA100 / ATA-6...
  •  3 years limited
  • Average Seek Time: 8.9ms
  • Average Write Time: 10.9ms
  • Average Latency: 4.2ms
  • Features: Quiet - Fluid Dynamic Bearing (FDB) technology - Less friction means more reliability; less heat, vibration, and noise.
  • Model #: WD800BB
  • Item #: 9SIA0AJ1V39358
  • Return Policy: View Return Policy
  • $69.95
  • Free Shipping

Western Digital newegg Western Digital WD VelociRaptor WD5000HHTZ 500GB 10000 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  (204)
  •  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

Western Digital newegg Western Digital Raptor WD360ADFD 36GB 10000 RPM 16MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  (204)
  •  10000 RPM 16MB Cache
  •  SATA 1.5Gb/s
  •  5 years limited
  • Average Seek Time: 4.6ms
  • Average Write Time: 5.2ms
  • Average Latency: 2.99ms
  • Features: 1,200,000 hours MTBF RAID-specific, time-limited error recovery (TLER) - A feature unique to WD, prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. Rotary Acceleration Feed Forward (RAFF) - Optimizes operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or network storage.
  • Model #: WD360ADFD
  • Item #: 9SIA0AJ1PX3535
  • Return Policy: View Return Policy
  • $129.95
  • Free Shipping

Western Digital newegg Western Digital Caviar SE WD2500JD 250GB 7200 RPM 8MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  (123)
  •  7200 RPM 8MB Cache
  •  SATA 1.5Gb/s
  •  3 years limited
  • Average Seek Time: 8.9ms
  • Average Write Time: 10.9ms
  • Average Latency: 4.2ms
  • Features: FAST COOL Cool operation results in the highest reliability, even in intensely hot environments such as digital video recorders. That's why these, the coolest on the market, are the drives of choice for the world's leading consumer electronics and PC manufacturers. QUIET The technology that Tom's Hardware Guide called "very fast and nearly silent" is used throughout this family of drives. Our WhisperDrive technology minimizes noise to levels near the threshold of human hearing. To cut seek noise, SoftSeek technology streamlines read/write seeking algorithms, resulting in more efficient operation.
  • Model #: WD2500JD
  • Item #: 9SIA0AJ1JG9985
  • Return Policy: View Return Policy
  • $159.95
  • Free Shipping

Western Digital newegg Western Digital Caviar SE WD400JD 40GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  (55)
  •  7200 RPM 8MB Cache
  •  SATA 3.0Gb/s
  •  3 years limited
  • Average Seek Time: 8.9ms
  • Average Write Time: 10.9ms
  • Average Latency: 4.2ms
  • Features: Cool - Cool operation results in the highest reliability, even in intensely hot environments such as digital video recorders. That's why these, the coolest on the market, are the drives of choice for the world's leading consumer electronics and PC manufacturers. Quiet - The technology that Tom's Hardware Guide called "very fast and nearly silent" is used throughout this family of drives. Our WhisperDrive technology minimizes noise to levels near the threshold of human hearing. To cut seek noise, SoftSeek technology streamlines read/write seeking algorithms, resulting in more efficient operation.
  • Model #: WD400JD
  • Item #: 9SIA0AJ1SC0889
  • Return Policy: View Return Policy
  • $99.95
  • Free Shipping

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
  (49)
  •  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 Caviar WD200BB 20GB 7200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 3.5" Hard Drive Bare Drive
  (33)
  •  7200 RPM 2MB Cache
  •  IDE Ultra ATA100 / ATA-6...
  •  3 years limited
  • Average Seek Time: 8.9ms
  • Average Write Time: 10.9ms
  • Average Latency: 4.2ms
  • Features: Quiet Drive technology
  • Model #: WD200BB
  • Item #: 9SIA0AJ1V38968
  • Return Policy: View Return Policy
  • $109.95
  • Free Shipping

Seagate newegg Seagate Constellation ES ST1000NM0011 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
  (24)
  •  Fifth-generation, enterp...
  •  Designed for Seamless En...
  •  SATA 6Gb/s, 7200 RPM
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Average Latency: 4.16ms
  • Features: Reduces design and support costs by building on the Seagate best-in-class enterprise storage foundation Offers a traditional 3.5-inch form factor with enhanced rotational vibration tolerance and high data integrity for enterprise-class reliability in a cost-effective drive Delivers proven reliability, with an MTBF* of 1.2 million hours and enhanced end-to-end data integrity with Protection Information feature Reduces energy and cooling costs, with the lowest power consumption of any nearline 3.5-inch drive Includes Seagate PowerChoice technology for even greater on-demand power savings during slow or idle periods TCG-compliant, Self-Encrypting Drive (SED) security option eliminates the need to overwrite or physically destroy drives, enables s...
  • Model #: ST1000NM0011
  • Item #: N82E16822148784
  • Return Policy: Standard Return Policy
  • $134.99
  • Free Shipping

Seagate newegg Seagate ST4000NC000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Terascale Hard Drive With Instant Secure Erase Bare Drive
  (16)
  •  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: Standard Return Policy

Western Digital newegg WD Blue WD10SPCX 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  (12)
  •  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 - Our lates...
  • Model #: WD10SPCX
  • Item #: N82E16822236541
  • Return Policy: View Return Policy

Seagate newegg Seagate ST6000NM0024 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
  (11)
  •  6TB, 7200 RPM, SATA 6.0G...
  •  Perfect for reliable, 24...
  •  Energy efficient with lo...
  • Average Latency: 4.16ms
  • Features: Fastest high-capacity HDD with best-in-class random and sequential read/write performance. Eighth-generation drive technology for reliable access to bulk storage of unstructured data. Industry-leading rotational vibration tolerance ensures consistent performance. Improved power and cooling efficiencies with low power consumption and on-demand PowerChoice technology based on T10/T13 power management standards. Engineered for 24x7 workloads of 550TB/yr-10 x that of desktop drives. Robust performance with dual processors, ramp load technology, top-coverattached motor and humidity sensor for optimum performance in all chassis.
  • Model #: ST6000NM0024
  • Item #: N82E16822178522
  • Return Policy: View Return Policy

Seagate newegg Seagate ST4000VX000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard Drive
  (10)
  •  Surveillance-Optimized S...
  •  Consistent Performance i...
  •  Improved Time-To-Ready f...

Western Digital newegg WD WD Purple WD40PURX 4TB SATA 6.0Gb/s 3.5" Hard Drive
  (7)
  •  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: Standard Return Policy
  • from $187.99
  • Free Shipping

WL 320GB 8MB Cache 7200RPM SATA2 3.5" Internal Desktop Hard Drive (For DELL, HP, Compaq, eMachine, IBM, Gateway) -1 Year Warranty
  (7)
  •  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
  • $32.95
  • 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

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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