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2TB Seagate or 1TB Black drive, for OS - Page 3

post #21 of 24
Umm... Solid state drives don't have CAS timing, and tighter RAM timings won't affect the SSD transfer speed. They would definitelyhhavean eeffecton a RAM ddrive though.
   
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Z77 Bench-a-lot
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post #22 of 24
Quote:
Originally Posted by nleksan View Post

Umm... Solid state drives don't have CAS timing, and tighter RAM timings won't affect the SSD transfer speed. They would definitelyhhavean eeffecton a RAM ddrive though.
I JUST totally saw a increase in bootup times. I have no idea why but when i drop my timings back to stock it takes longer to boot
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post #23 of 24
Quote:
Originally Posted by nleksan View Post

I would disagree about 66% not making any difference, at least on the newer 1TB-Platter drives... The extremely high data density more than compensates for the slightly greater distance the head(s) have to move.
Also, when talking about 2-3TB drives using 1TB Platters, short-stroking to 1/3rd the capacity is short-stroking EACH PLATTER to 1/6th of its capacity, resulting in only the outer 17% or so being used. I personally can feel a big difference when using a Seagate 3TB short-stroked to 1TB compared to not short-stroked at all.

As an aside, another benefit is diminished fragmentation, resulting in much better sequential and random reads as the files tend to better stay put...

 

Few points - doesn't matter what size platters you use, if you short stroke to 1/3 capacity, you use 1/3 the capacity of each platter.  It's impossible to do any different - if you suddenly started using just 1/6 of the capacity, where would the second half of your data get stored?

 

As for the fragmentation - smaller partitions INCREASE fragmentation, not decrease it.  Free space on a drive is key to avoid fragmentation, nothing else really matters.  Windows (and pretty much all other OSes as well - however much Linux guys will like to boast that their filesystems don't get fragmented is irrelevant, as it isn't true - all systems suffer from it to some extent) will put the file in the first contiguous spot it can find on a drive, and if there isn't one available then it'll split the file into parts and store it broken up.  If you have a smaller partition that's nearly full you're much more likely to fragment larger files as it's the only way they can be stored.

 

Whether a smaller fragmented partition with lower access times is better than a larger unfragmented partition with higher access times depends on your usage though - a balance would be required between the two.

 

One more point - ignore the differences in transfer rates when you short stroke a drive - the difference a few MB/s makes on your average transfer rates is meaningless in the real world, especially when you're primarily looking for OS use (ie random I/O).  The benefits of short stroking are all found from the drop in access times - hence the reason why there's not much point any more, as even a slow SSD will blow the best 15K SAS drives out of the water.

post #24 of 24
Doh, sorry, math was never my strong suit... I mean to say "relative to". As in, "A 3TB drive short-stroked to 1TB is using 66% less of the disk surface compared to a single terabyte drive not short-stroked"
   
Z77 Bench-a-lot
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Z77 Bench-a-lot
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CPUMotherboardGraphicsGraphics
i7 3930K @ 4.92Ghz Asus Rampage 4 Extreme EVGA GTX670 FTW 2GB  EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 
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EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 16GB G.Skill Ripjaws-Z @ DDR3-2248 9-10-9-26 1T Samsung 830 256GB SSD WD10EZEX 1TB HDD 
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WD10EALX 1TB HDD Seagate Barracuda 7200.14 1TB WD3200AAKS 320GB HDD WD5000HHTZ 10krpm 500GB VelociRaptor 
Optical DriveCoolingCoolingCooling
LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
CoolingCoolingCoolingCooling
2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
CoolingCoolingCoolingOS
4x Koolance 120x25mm 2600rpm Fans Comp/Rotary Fittings (BP/XSPC/Monsoon) Primoflex Pro LRT - White (1/2x3/4) Windows 7 Professional 64bit  
MonitorMonitorMonitorMonitor
Dell P2210Hb 21.5" 1920x1080p Viewsonic VA2012WB 20.1" LCD 1680x1050 Dell U3014 Eizo 27" 1440p 10bit RGB-LED Backlit AH-IPS Panel 
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55" LG HDTV (their top 2014 model) Ducky Mechanical (Browns) NZXT HALE90 850W + 8 blown-up AX1200/i's NZXT Switch 810 (White) 
MouseMouse PadAudioAudio
R.A.T.3 + MX510 My Desk GRADO RS1i Headphones Grado PS1000 Headphones 
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Bitfenix Hydra Pro Fan Controller 5ch 30W/ch Bitfenix Alchemy Individually-Sleeved Extension... NZXT Individually-Sleeved Front Panel Wires (Bl... Phobya Sleeved 1x3pin-to-4x3pin Fan Splitter 
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Sleeved Wires w Paracord myself (no Heatshrink) Custom Front and Top Panels w HexxMesh *In Prog... Working on Custom Pedestal Prototype 
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