Seagate Momentus 7200.4 500GB

$50.00

(8 customer reviews)
Last updated on August 17, 2025 12:02 am
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$85.00 Amazon.com
March 3, 2025
Lowest Price
$12.09 Walmart.com
August 25, 2025
Current Price
$50.00 Newegg.com
August 17, 2025
Since March 3, 2025
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Set Alert for Product: Seagate Momentus 7200.4 ST9500420AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive - $50.00

Specification: Seagate Momentus 7200.4 500GB

Product
Brand

Model

ST9500420AS

Product Type

Internal, Laptop

Specification
Best Seller Ranking

#54 in Laptop Internal Hard Drives

Series

Momentus 7200.4

Packaging

Bare Drive

Interface

SATA 3.0Gb/s

Capacity

500GB

Cache

16MB

RPM

7200 RPM

Features

Important Warranty InformationThis product is end-of-sale and no longer warranted by the manufacturer. Instead, Newegg warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Newegg Customer Service, not the manufacturer.

Usage

Ideal for Servers

Form Factor

2.5"

Height maximum

9.5mm

Width maximum

69.75mm

Length maximum

100.30mm

Date First Available

April 23, 2016

Photos: Seagate Momentus 7200.4 500GB

8 reviews for Seagate Momentus 7200.4 500GB

4.5 out of 5
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  1. Ramazan B.

    Pros: Amazing drive. Very fast.. My previous drive was WD3200BEVT (320GB, 5400RPM, 8MB Buffer) and the HDTune benchmark results are: WD3200BEVT: Average Read – 51.5 MB/sec This one: Average Read – 77.3MB/sec There is a 50% boost in performance and this is clearly noticeable while using. Vista boots faster, programs open faster, rar files extract faster etc. etc. Cons: Seems like slightly more noisy than my old drive (WD3200BEVT) especially during searching files… It is not definitely…

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  2. Adam B.

    Pros: VERY Fast, Large Capacity Cons: VERY slightly audible Overall Review: This is simply the fastest & largest non solid state hard drive available at this time. Installation was simple, just like any other hard drive. It is about double the speed of my previous Hitachi 250GB 5400RPM hard drive. My previous drive had a very faint high pitched whine. This drive doesn’t have much of a high pitched whine, instead you can hear it ever so slightly when it is accessing data, and that is in a…

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  3. Arnold M.

    Pros: Fast, Quiet, Smooth, COMPATIBLE (unlike SOME SSD’s with bootcamp.) Unlike the previous poster this drive is just about as loud as my previous 320gb 7200rpm hitachi that came with my 15.4 LED MBP (machine was BTO) So while it may be louder than 5400 rpm drives, it’s about as loud as other 7200 rpms. Now I can set aside 100gb for bootcamp and still have plenty of room for iphoto/aperture/final cut pro Cons: Reliability is still too new to tell. Overall Review: Buy one, wait for SSD’s to…

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  4. Anonymous

    Pros: quiet, faster, large capacity Cons: none Overall Review: when I had my original hd I could hear the sudden motion sensor park the hd if the laptop was jolted. Now I don’t hear that anymore… either it parks quieter or its not working at all. not sure. Sounds quiet, can’t hear any difference in noise. Battery usage pretty much the same as the stock 250gb 5400rpm hd.

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  5. robert o.

    Pros: Fast, big, quiet, and efficient. Great hard drive. Cons: None so far Overall Review: HD tune benchmark on the 7200.4 was max=97.9 MB/sec and avg=78.9 MB/sec . Previous hard drive which was a WD scorpio 250 MB 5400 rpm benchmark was max=61.1 MB/sec and avg=46.5 MB/sec. Approximately a 60% increase in the average transfer speed comparing drives.I have not noticed any more heat, decrease in battery life or noise from the new drive compared to the old drive.

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  6. Jeffrey D.

    Pros: 500Gb! Cool. Quiet, occasional head noise. 16Mb cache. Bumped my performance rating on a Vista number from 5.2 to 5.9, for whatever that is worth. Cons: none Overall Review: If you could get a decent sized SSD with good write speed and very low energy use I would have gone with it for the laptop battery savings. But in lieu of that, I ordered my laptop with an 80Gb drive. Migrated the image over to this massive beast. For $140. Less than half of what the laptop manufacturer would sell…

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  7. Peter H.

    Pros: none Cons: This is an update: the third drive is now failing the Long DST in Seatools. So this is the third drive out of three that fails. I’m revising my former rating from down to 1 star, and returning it for some other brand. I can’t recommend this drive.

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  8. George W.

    Pros: 500gig in a fast laptop drive, at a good price. Can’t go wrong with that! Cons: none Overall Review: I see a lot of mac users installing drives themselves, improperly. When you buy a hard drive, it does not come with mounts, as the manufacturer does not know what machine you are installing it into. For laptops, it is assumed that you will reuse the mounts from the drive you are replacing. There is the catch, you MUST reuse the mounts. Those rubber bumpers attached with screws to your…

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