2.5" vs 3.5" external HDD

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As I've replaced my internal 750gb 5400rm HDD with a 120gb SSD (Corsair Force GT), I'll now be needing a fast enough external HDD for movies/games playback and storage. Have shortlisted these two (one being 2.5", while the other one being a 3.5" drive):

WD My Book Essential 3.5 Inch 1 TB External Hard Disk | External Hard Drive | Flipkart.com

WD My Passport USB 3.0 1 TB External Hard Disk | External Hard Drive | Flipkart.com

So just wanted to confirm that which one of these would be more reliable for constant playback...

xOvErClOcKeRx said:
As I've replaced my internal 750gb 5400rm HDD with a 120gb SSD (Corsair Force GT), I'll now be needing a fast enough external HDD for movies/games playback and storage. Have shortlisted these two (one being 2.5", while the other one being a 3.5" drive):

WD My Book Essential 3.5 Inch 1 TB External Hard Disk | External Hard Drive | Flipkart.com

WD My Passport USB 3.0 1 TB External Hard Disk | External Hard Drive | Flipkart.com

So just wanted to confirm that which one of these would be more reliable for constant playback...

Essential requires external power!!!. better go for some that does not require external power.

You don't require portability so even 3.5 inch one would be OK also it will be much cheaper. It will have higher speed (7200 rpm) as compared to 2.5 inch (5400 rpm).
The only problem is of external power.

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rahul_c said:
You don't require portability so even 3.5 inch one would be OK also it will be much cheaper. It will have higher speed (7200 rpm) as compared to 2.5 inch (5400 rpm).
The only problem is of external power.

Forgot to mention, it's a laptop (Vaio S15). So, perhaps the 'portability' will be a deciding factor. Will I face any problems playing games from the 2.5" external HDDs?

Also, are there any performance differences b/w 'My Passport' and 'My Passport Essential'?

Opt for 2.5".
And there will be no problems at all, so don't worry.

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aroraanant said:
Opt for 2.5".
And there will be no problems at all, so don't worry.

A guy suggested me to use some kinda external casing for my 2.5" internal HDD. Any idea about its availability?

You can get it any computer peripheral shop near your place.

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aroraanant said:
You can get it any computer peripheral shop near your place.

Yea, just contacted them, although the casing only supports usb 2.0. Any 3.0 ones that you may know of?

USB 3.0 External HDD case- 2.5 USB 3.0 Interface External HDD Hard Disk Drive Enclosure Case | eBay

If you search locally also you are bound to find one retailer who sells it. :-D

xOvErClOcKeRx said:
As I've replaced my internal 750gb 5400rm HDD with a 120gb SSD (Corsair Force GT), I'll now be needing a fast enough external HDD for movies/games playback and storage. Have shortlisted these two (one being 2.5", while the other one being a 3.5" drive):

WD My Book Essential 3.5 Inch 1 TB External Hard Disk | External Hard Drive | Flipkart.com

WD My Passport USB 3.0 1 TB External Hard Disk | External Hard Drive | Flipkart.com

So just wanted to confirm that which one of these would be more reliable for constant playback...

Instead of opting for those two, you should check out these ones. Below 6k and reliable

*www.flipkart.com/wd-my-passport-usb-3-0-1-tb-external-hard-disk/p/itmdbefzhyjgge6e?pid=ACCDBEF5HKTFWHXU&ref=b4e347da-025d-4800-9733-15b1db096a6e

*www.flipkart.com/wd-elements-se-1-tb-usb-3-0-hard-drive-black/p/itmd7yggq2gqjp99?pid=ACCD7YGFGAMH525N&ref=2c5516a7-75e6-4043-9147-e00ab7299337