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HDD Transfer Speed Query

post #1 of 5
Thread Starter 
I've got a Hitachi Sata 500GB HDD and I'm getting some very slow transfer speeds on it. If I copy a file, it starts at roughly 20MB/s then the speed degrades over a few minutes and levels off around 6MB/s.

What I've checked:

- Tested both externally in an enclosure and internally with Sata and same issue persists.
- Tried it in a different PC and same issue persists.
- Tested another drive in same PC and transfer rates are much higher
- HD Tune show transfer speed 25MB/s average
- Seatools/HD Tune show no errors on any test

Any ideas?
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HP G6
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post #2 of 5
Well youve eliminated all the variables, save for one. The drive is either supposed to work that way, or its dying.
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My System
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5000+ BE 3.4G @1.447v DFI 790FX-M2RS Sapphire 3850 8G Corsair XMS2 DHX 
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Seagate Win7 Ultimate 64bit Antec TPQ-850 
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post #3 of 5
Thread Starter 
It's definitely not supposed to be this slow - which makes me think it may be faulty. Although, it's passed all the tests I've done on it.
HP G6
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AMD A6 3400M Quad Core  Radeon 6520G 6GB DDR3 1333MHz 128GB Verbatim Black Edition SSD 
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HP G6
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AMD A6 3400M Quad Core  Radeon 6520G 6GB DDR3 1333MHz 128GB Verbatim Black Edition SSD 
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post #4 of 5
Well a coworker gave me her laptop to fix and in my machine the HDD is fine, no errors, no bad sectors, but in the laptop the BIOS HDD test fails before hitting 91%, so one mans bread is another mans meal. In other words YMMV.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
5000+ BE 3.4G @1.447v DFI 790FX-M2RS Sapphire 3850 8G Corsair XMS2 DHX 
Hard DriveOSPower
Seagate Win7 Ultimate 64bit Antec TPQ-850 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
5000+ BE 3.4G @1.447v DFI 790FX-M2RS Sapphire 3850 8G Corsair XMS2 DHX 
Hard DriveOSPower
Seagate Win7 Ultimate 64bit Antec TPQ-850 
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post #5 of 5
Some drives really dislike certain modes. Are you in AHCI or IDE in the BIOS?

Have you checked the device manager to ensure that all caching is enabled?

Do you have the latest AHCI drivers installed, if in AHCI mode?

Have you tried turning off speedstep or other power saving technologies, which could interfere with SATA links on older boards?
     
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 
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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 
  hide details  
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