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Comparing Computer Storage Brands: Choosing Seagate or Western Digital

written by: Nicholas•edited by: M.S. Smith•updated: 5/19/2011

Which is the better internal hard disk manufacturer: WD or Seagate? For the most part, both offer quality products but you can learn more about their internal HDD lineups here.

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    Internal Hard Drives - Western Digital Lineup

    According to WDC.com, Western Digital offers the following internal hard drives:

    Desktop Internal Hard Drives

    WD Blue Power Caviar Blue

    - Designed for: Mid range performance with high reliability. Also features a stay-cool design to prevent overheating issues, and quiet, low noise technology.

    • Interface: SATA 3GB/s or PATA 100MB/s
    • Cache size: 32MB, 16MB, or 8MB
    • Capacities: 80GB, 160GB, 250GB, 320GB, 500GB, 640GB, 1TB
    • Speeds: 7200 RPM

    WD Green Power Caviar Green

    - Designed for: Low power usage and energy saving. Also features a stay-cool design to prevent overheating issues, and is more environmentally friendly.

    • Interface: SATA 3GB/s
    • Cache size: 64MB, 32MB, or 16MB
    • Capacities: 500GB, 640GB, 750GB, 800GB, 1TB, 1.5TB, 2TB
    • Speeds: 5400 RPM

    WD Black Power Caviar Black

    - Designed for: High performance and speed. Also features a stay-cool design to prevent overheating issues quite, low noise technology.

    • Interface: SATA 3GB/s or SATA 6GB/s
    • Cache size: 64MB
    • Capacities: 500GB, 640GB, 750GB, 1TB, 2TB
    • Speeds: 7200 RPM

    Laptop Internal Hard Drives

    Scorpio Blue Scorpio Blue

    - Designed for: High capacity laptop, notebook, and portable storage.

    • Interface: SATA 3GB/s, SATA 1.5GB/s, PATA
    • Cache size: 8MB
    • Capacities: 160GB, 250GB, 320GB, 500GB, 640GB, 750GB, 1TB
    • Speeds: 5200 RPM, 5400 RPM

    Scorpio Black

    - Designed for: Desktop performance on the go.

    • Scorpio Black Interface: SATA 3GB/s
    • Cache size: 16MB
    • Capacities: 160GB, 250GB, 320GB
    • Speeds:7200 RPM
    • Other options: Free Fall Sensor (optional)

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    Western Digital vs. Seagate Internal Hard Drives - Seagate Lineup

    According to Seagate.com, Seagate offers the following internal hard drives:

    Barracuda Desktop Internal Hard Drives

    Barracuda Internal Kit 5900

    - Designed for: Everyday PCs and low-power systems.

    • Interface: SATA 3GB/s
    • Cache size: 32MB
    • Capacities: 1TB, 1.5TB, 2TB
    • Speeds: 5900 RPM

    Barracuda 7200 Barracuda Internal Kit

    - Designed for: Standard desktop hard drive replacement or upgrade. Maximum reliability.

    • Interface: SATA 3GB/s
    • Cache size:16MB, 32MB
    • Capacities: 500GB, 1TB, 1.5TB
    • Speeds: 7200 RPM

    Barracuda XT Internal Kit

    Barracuda XT - Designed for: High performance, maximum speed, and high capacity.

    • Interface: SATA 6GB/s
    • Cache size: 64MB
    • Capacities: 2TB
    • Speeds: 7200 RPM

    Laptop Internal Hard Drives

    Momentous Internal Kit 5400

    Momentous 5400 - Designed for: Standard laptop hard drive replacement or upgrade. Maximum reliability. Low heat.

    • Interface: SATA 3GB/s
    • Cache size: 8MB
    • Capacities: 250GB, 320GB, 500GB, 640GB
    • Speeds: 5400 RPM

    Momentous Internal Kit 7200

    - Designed for: Desktop performance on the go.

    • Momentous 7200 Interface: SATA 3GB/s
    • Cache size: 16MB
    • Capacities: 320GB, 500GB
    • Speeds: 7200 RPM

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    Overview

    As you can see, Western Digital provides a bit more flexibility as far as hard drive selection. They offer more capacities, interfaces, and cache sizes in most categories. Although both providers offer 5 mainstream hard drive choices, Western Digital offers more overall models. Off of these facts alone, you may be able to decide whether to go with Western Digital or Seagate. If you are looking for a specific capacity hard drive, chances are, WD will offer it.

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    Western Digital Customer Reviews and Satisfaction Rate

    For the most part, Western Digital internal hard drives have received above average to great reviews from Newegg, Tiger Direct, BestBuy and Amazon.com.

    Desktop Internal Hard Drives

    On Newegg.com, Western Digital desktop internal hard drives have received outstanding reviews from customers. The heavy majority of reviews are 4/5 stars. In fact, out of the top 60 Western Digital hard drives listed, only 4 received 3/5 star ratings. 11 WD desktop internal hard drives currently have a perfect 5/5 star rating.

    On Tiger Direct, Western Digital desktop internal hard drives have received outstanding reviews as well. The large majority of reviews are 5/5 stars. Out of 25 internal desktop hard drives, only 2 models received an average customer review below 4 stars.

    Amazon.com and BestBuy.com have very similar results.

    Laptop Internal Hard Drives

    On Newegg.com, Western Digital laptop internal hard drives have received outstanding reviews from customers. The heavy majority of reviews are 4/5 stars. Out of the 29 Western Digital hard drives listed, only 2 received a rating of 3/5 stars or lower. The rest were either 4/5 stars or a perfect 5/5 stars.

    On Tiger Direct, Western Digital laptop internal hard drives have received fairly good customer reviews as well. Although there were only 10 different model hard drives that had reviews, none of them received a rating lower than 4/5 stars.

    Amazon.com and BestBuy.com have very similar results.

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    Seagate Customer Reviews and Satisfaction Rate

    Now that we know Western Digital is a high quality internal hard drive manufacturer, let's check the customer satisfaction reviews for Seagate.

    Desktop Internal Hard Drives

    On Newegg.com, Seagate desktop internal hard drives have received good reviews. Out of 23 products with reviews, 8 of them received a 3/5 star rating. Now, those are the lowest ratings that we have seen thus far. However, it's not a bad rating.

    On Tiger Direct, Seagate desktop internal hard drives have received great reviews. Out of 13 products with reviews, only 3 specific models received an average customer rating below 4/5 stars.

    Amazon.com and BestBuy.com have very similar results.

    Laptop Internal Hard Drives

    On Newegg.com, Seagate laptop internal hard drives have received great reviews. Out of the 16 laptop hard drives that had been customer reviewed, there were only 2 hard drives with a rating lower than 4/5 stars.

    On Tiger Direct, Seagate laptop internal hard drives have received outstanding reviews. However, there were only 5 different models of laptop hard drives that had been reviewed. Overall 4 out of 5 of these hard drives were rated perfect. There was one 4/5 star review.

    Amazon.com and BestBuy.com have very similar results.

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    Conclusion

    WD Logo Western Digital and Seagate are very close in customer ratings. Both of them have proven to make quality hard drives, so no matter which brand you decide to go with, you should be happy with your decision. The numbers speak for both companies. However, there can only be one winner. The best internal hard drive manufacturer between Western Digital and Seagate is Western Digital. Western Digital has received a higher ratio of positive customer reviews from all major websites. This gives Western Digital the top customer satisfaction rate. Although both brands are sure not to disappoint, our recommendation for best internal hard drive goes to Western Digital. They also have a better selection to choose from.