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What dafuq is a SSHD?

lohjiahung
By lohjiahung
in Storage Devices
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Go to solution Solved by hojnikb,

sshd as others pointed out is a HDD with a small ssd cache, that caches frequent files for faster speeds.It not nearly as fast as ssd, but its faster than a standard drive.

 

wd black^2 is a hdd and a normal ssd combined and acts a two separate drives. But its really mostly a pointless drive, because both hdd and ssd parts are slow by todays standards and its more expensive than a separate ssd+hdd combo.

Posted

What is an SSHD (or Solid-State Hybrid Drive)? I know what a Hard Disk Drive (HDD) and Solid State Drive (SSD) is. But what the @#$% is an SSHD? Is it a HDD with SSD speeds? Or a SSD with HDD speeds? Or SSDs with HDD capacity? I don't understand, and Linus's review of the WD Black2 simply confused me further. Help, pleez*? :unsure:

 

*No, my spelling is not horrible, it means "please".

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Hybrid drives are storage devices that combine NAND flash solid-state drive (SSD) with hard disk drive (HDD) technology, with the intent of adding some of the speed of SSDs to the cost-effective storage capacity of traditional HDDs. The purpose of the SSD in a hybrid drive is to act as a cache for the data stored on the HDD, by keeping copies of the most frequently used data on the SSD for improved overall performance.

 

From wikipedia...

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@Wano1997 fix it for people in night theme please.

 

(whenever you copy paste to the forum, paste as plain text)

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Adding to Wano1997's post, the Black2 is one enclosure containing two completely separate drives: a 120GB SSD, and a 1TB HDD. There is no caching involved whatsoever.

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  • Solution

sshd as others pointed out is a HDD with a small ssd cache, that caches frequent files for faster speeds.It not nearly as fast as ssd, but its faster than a standard drive.

 

wd black^2 is a hdd and a normal ssd combined and acts a two separate drives. But its really mostly a pointless drive, because both hdd and ssd parts are slow by todays standards and its more expensive than a separate ssd+hdd combo.

+°´°+,¸¸,+°´°~ Glorious PC master gaming race :wub: ~°´°+,¸¸,+°´°+
BigBox: Asus P8Z77-V, 3570k, 8GB Ram, Intel 180GB & Sammy 750GB, HD4000, W7
PiBox: Rasberry Pi, BCM @ 1225Mhz ^_^ , 256MB Ram, 16GB Storage, pIO, Raspbian

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Adding to Wano1997's post, the Black2 is one enclosure containing two completely separate drives: a 120GB SSD, and a 1TB HDD. There is no caching involved whatsoever.

So the Black2 is designed to have your OS on the SSD part and mass storage on the HDD portion?

My Battlestation.

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Adding to Wano1997's post, the Black2 is one enclosure containing two completely separate drives: a 120GB SSD, and a 1TB HDD. There is no caching involved whatsoever.

And the black is not an sshd, because of what you said.

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Your profile picture is kinda ironic :D

Couldn't help myself. That picture or this one.

Gaming rig:

i5-4670k, H100i, MSI Z97 SLI, Vengeance DDR3-1600 2*4GB, 840 EVO 250GB, Barracuda 1TB, GTX 780 Ti, 450D, CX750, VG248QE

Workstation:

Xeon E3-1231 v3, NH-U14S, Asus Z97-PRO, Ballistix Sport DDR3-1600 2*8GB, 840 EVO 250GB, 2*WD Red 2TB (RAID 0), GTX 780 Ti, Define R4, AX760, VS229H-P
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So the Black2 is designed to have your OS on the SSD part and mass storage on the HDD portion?

Yes, that is how it was intended to be used, usually in a laptop with only one 2.5" drive space. You can have the speed of an SSD for your OS and most programs, and the capacity of an HDD for media.

Desktop: Intel Core i7-5820K, Corsair H115i, Asus X99-Deluxe/USB 3.1, G.Skill Ripjaws4 32GB 2800MHz CL16, Zotac RTX 3070, Samsung 950 Pro 512GB in Angelbird Wings PX1, Samsung 850 EVO 1TB, 5*Seagate 12TB, Cooler Master V1200, Phanteks Enthoo Luxe, Windows 10 Pro. Phillips 328P6VUBREB, Corsair Vengeance K95 RGB Cherry MX Brown, Logitech G502 X Plus, Sennheiser HD700.

 

AYANEO 2S: AMD 7800U, 32GB 7500MHz, 2TB WD SN850X. Windows 11.

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A sshd is a hard drive with a ssd that automatically caches what you use most often to speed up the drive as a whole. You only ever work with the hdd capacity and the ssd caching is automatically done in the background.

The WD Black2 is a dual drive. It acts as a ssd until you activate the hdd part. It will then show up as a separate ssd and hdd. 

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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WD Black2 is a dual drive meaning it has an ssd and a hdd, both for storage.

 

An sshd is a hdd with a caching ssd.

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