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Real world difference between WD HDDs

post #1 of 20
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I'm going to order my setup next week and I have a question about the HHD stuff.

I was thinking of getting a 1 TB Western Digital Caviar Black SATA3 64 MB cache 7200 rpm for 70 euros. Now I was browsing the website I'm going to order everything and they have a Sansung 2TB SATA2 32 MB now for 60 euros. It made me think of two things I'd like to run past you for some advice:

1. Is there much real world difference in loading times and speed between these two? I am going to be using it for HD video editing;

2. I am going to get a Z68 mobo which supports SSD caching, will it make much difference if I get an SSD for that later on between both HDDs? I mean will the difference in speed offered by the caviar black still count when I use SSD caching?

Tnx for the help.
 
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post #2 of 20
The SATA3 and 64MB cache are just marketing gimmicks. HDDs don't need more than 32MB cache and SATA2.

The 2TB would actually out perform the 1TB because of the denser platters. The difference wouldn't be astronomical, but there would be a difference.

Faster, cheaper, and more storage. The Samsung is clearly the way to go.

I have no experience with the SSD caching thing, so couldn't tell you.
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post #3 of 20
most of my hdd's are WD blacks... i notice the diffrence when i raid and single and then i really notice the drop in speed when i go to any random prebuilt computer hard drive...


short stoy... they do make a huge diffrence
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post #4 of 20
Video editing is highly sequential. The WD Black would probably feel a bit snappier for seeking around within the files - but when it comes to the actual encoding bit, the drive with the highest sequential speeds wins.

Look up HDTune benchmarks for the models you're looking at. Then buy.

In your case the 2TB is probably fine. It's 5400RPM, but that doesn't matter as much for video stuff. If you were buying it as an OS or game drive, the WD Black would be the obvious choice.
     
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post #5 of 20
Quote:
Originally Posted by Kramy View Post
Video editing is highly sequential. The WD Black would probably feel a bit snappier for seeking around within the files - but when it comes to the actual encoding bit, the drive with the highest sequential speeds wins.

Look up HDTune benchmarks for the models you're looking at. Then buy.

In your case the 2TB is probably fine. It's 5400RPM, but that doesn't matter as much for video stuff. If you were buying it as an OS or game drive, the WD Black would be the obvious choice.
How do you know the 2TB drive is 5400 rpm? He was listing the differences between the drives and asking if there would be a difference. The lack of rpm would suggest they're the same.

What it comes down to is whether or not 64MB of cache and SATA3 would make the black faster.

The short answer is: No.

This is especially true when you factor in density and double the size for less money.
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post #6 of 20
Quote:
Originally Posted by Kaldari View Post
How do you know the 2TB drive is 5400 rpm?
It's a Samsung 2TB 32MB drive. Look at the price. The only model that makes sense is the Samsung F4 2TB 5400RPM.
Quote:
Originally Posted by Kaldari View Post
The lack of rpm would suggest they're the same.
Or he just doesn't know the RPM - but since I do, we'll go with my assumption.

Quote:
Originally Posted by Kaldari View Post
What it comes down to is whether or not 64MB of cache and SATA3 would make the black faster.

The short answer is: No.
64MB cache and SATA3 won't, but more aggressive seeking behaviour and a higher RPM certainly make the Black faster for most tasks. Is it worth the price increase and capacity drop, though? In this case, probably not. As I said above, video work is highly sequential.
     
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post #7 of 20
Quote:
Originally Posted by Kramy View Post
It's a Samsung 2TB 32MB drive. Look at the price. The only model that makes sense is the Samsung F4 2TB 5400RPM.

Or he just doesn't know the RPM - but since I do, we'll go with my assumption.


64MB cache and SATA3 won't, but more aggressive seeking behaviour and a higher RPM certainly make the Black faster for most tasks. Is it worth the price increase and capacity drop, though? In this case, probably not. As I said above, video work is highly sequential.
Well I didn't bother looking for the RPM since I had assumed he did that research if he was listing SATA versions and cache sizes.

The RPM difference I could see, but what are you referring to when you say "more aggressive seeking behaviour"? Just the fact that greens park more readily?
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post #8 of 20
How about a couple of smaller drives striped?
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post #9 of 20
Quote:
Originally Posted by Kaldari View Post
The RPM difference I could see, but what are you referring to when you say "more aggressive seeking behaviour"? Just the fact that greens park more readily?
No.

Stronger magnetic fields controlling the actuator(s)?

Hmm.. I'm not actually sure how that all works. What I do know is, WD 1TB/2TB Blacks are noisy - but it shows in benchmarks that test seek times. While drives like the F3 1TB average 13-14ms (and are fairly quiet), those Blacks average 11.5-12.5ms. (significantly faster - and more noisy)

Likewise, it shows in short-stroke benchmarks. F3's usually hover around 8ms, while Blacks are somewhere between 6-7ms. Whatever the drive is doing, its seeks are certainly more aggressive.

Not everything comes down to RPM. Keep in mind that RPM has this much impact on access times:
Code:
10k RPM - 6ms
7.2k RPM - 8.333ms
5.4k RPM - 11.111ms
Yet despite that Raptors have 7-8ms access times, 7200RPM drives have 12-14ms access times, and 5400RPM drives have 16-19ms access times. Lower RPM drives tend to be programmed to have quieter(slower) seeking behaviour, while higher RPM drives tend not to.
     
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VIA Eden C7 1200mhz Jetway J7F4K1G2ES-LF VIA Onboard 512MB PC2-4200 
Hard DriveOptical DriveCoolingOS
A-Data FlashDrive None Fanless Linux 
MonitorKeyboardPowerCase
Headless None 65w Power Brick Antec ISK300-65 
MouseAudio
None Onboard VIA 
CPUMotherboardGraphicsRAM
Barton XP-M 2400+ FJQ4C Asus A7N8X-E Deluxe 256MB BFG 7800GS OC 2x512MB Samsung PC3200 
Hard DriveOSMonitorKeyboard
Raptor 74GB/Seagate 120GB Windows 2000 Pro 60hz 17" CRT Brandless PS2 Keyboard 
PowerMouse
Antec Neo HE 550w Logitech G5 
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CPUMotherboardGraphicsRAM
FX-8350 @ 4.6ghz 1.425v Sabertooth 990FX Zotac GTX 1070 Amp! 32GB (4x8GB) Kingston Fury 1866mhz CL10 1T 1.5v 
Hard DriveHard DriveHard DriveHard Drive
Hitachi 2TB - HDS723020BLA64 Crucial M500 960GB - CT960M500SSD1 WD 4TB Black - WD4001FAEX WD 4TB Black - WD4001FAEX 
Hard DriveHard DriveHard DriveHard Drive
Seagate 2TB - ST2000DM001 WD 640GB Black - WD6401AALS Seagate 6TB - ST6000DM001 Micron M500 - MTFDDAK480MAV 
Optical DriveOptical DriveOptical DriveOptical Drive
Pioneer DVR-115DBK Samsung SH-S243D/BEBE LG GH22NS90 Lite-On EBAU108 External DVD 
CoolingCoolingCoolingOS
Noctua NH-D15 Fractal Design 140mm Fan - FD-FAN-140 Fractal Design 120mm Fan - FD-FAN-120 Windows 7 
OSMonitorMonitorKeyboard
Ubuntu 14.04 LTS Samsung 2343BWX 23" (2048x1152) BenQ GW2765HT 27" IPS LCD Monitor (2560x1440) Genius Keyboard KB-G235 PA 
PowerCaseMouseMouse Pad
Seasonic Platinum 1000w PSU - SS-1000XP Fractal Design Define R5 Steelseries Rival 6500 dcpi Mousepad + Desk 
AudioAudioOtherOther
Onboard Realtek® ALC 892 Cyber Acoustics CA-2992 2.0 Speakers Razer Krait 1600 DPI nGear G-C1601 Card Reader 
OtherOther
Pisen Card Reader Gigabyte M7 Thor 
CPUMotherboardGraphicsRAM
VIA Eden C7 1200mhz Jetway J7F4K1G2ES-LF VIA Onboard 512MB PC2-4200 
Hard DriveOptical DriveCoolingOS
A-Data FlashDrive None Fanless Linux 
MonitorKeyboardPowerCase
Headless None 65w Power Brick Antec ISK300-65 
MouseAudio
None Onboard VIA 
CPUMotherboardGraphicsRAM
Barton XP-M 2400+ FJQ4C Asus A7N8X-E Deluxe 256MB BFG 7800GS OC 2x512MB Samsung PC3200 
Hard DriveOSMonitorKeyboard
Raptor 74GB/Seagate 120GB Windows 2000 Pro 60hz 17" CRT Brandless PS2 Keyboard 
PowerMouse
Antec Neo HE 550w Logitech G5 
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post #10 of 20
I checked out the HDDs based on your info. When you say samsung, do you mean the Samsung Spinpoint? Looks like its rated 5400RPM. SATA version and cache size difference is negligible, but rpm will make some difference in loading speed (if you aren't picky, its also negligible; I am so I'd suck it up and just get 2 Caviar Blacks )
UltraMini
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 4690K Asrock Z97E-ITX/ac Gigabyte N970IX-OC-4GD Kingston HyperX 
Hard DriveCoolingOSMonitor
Seagate ST1000LM014 2.5" SSHD Zalman CNPS2X Windows 10 Pro Monoprice MPG24FHD 24" 144Hz Gaming Monitor 
KeyboardPowerCaseMouse
Corsair K70 w/ Red Backlight & MX Blue Switches HDPLEX HiFi 250W DC-ATX v2 NFC Systems S4 Mini Zowie FK1 
Mouse PadAudio
Razer Goliathus (Chinese Knockoff) Phillips SHP9500 w/ Vmoda Boom Pro Microphone 
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UltraMini
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 4690K Asrock Z97E-ITX/ac Gigabyte N970IX-OC-4GD Kingston HyperX 
Hard DriveCoolingOSMonitor
Seagate ST1000LM014 2.5" SSHD Zalman CNPS2X Windows 10 Pro Monoprice MPG24FHD 24" 144Hz Gaming Monitor 
KeyboardPowerCaseMouse
Corsair K70 w/ Red Backlight & MX Blue Switches HDPLEX HiFi 250W DC-ATX v2 NFC Systems S4 Mini Zowie FK1 
Mouse PadAudio
Razer Goliathus (Chinese Knockoff) Phillips SHP9500 w/ Vmoda Boom Pro Microphone 
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