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One SSD feels faster than two SSDs in Raid 0 for OS.

Neverdyne

New Member
Has anyone experienced this? I'm on a Z77 chipset board with ROM 11+ and TRIM enabled (I've checked and TRIM is working) yet Windows 8 feels more sluggish installed in two Samsung 840 SSDs on RAID 0 than in a single one. Even though benchmarks with CrystalDiskMark say differently (the raid 0 array has double the throughput of the single SSD) programs load faster, file explorer moves faster, etc., on the single SSD. What could it possibly be? Is the Raid 0 controller adding overhead of some kind?
 

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pparks1

New Member
VIP Member
Guru
It's probably not actually slower, but aside from higher throughput you won't see much difference. I think you set your expectations to see a vast improvement and it just isn't going to happen.
 

My Computer

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  • OS
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    Name
    Patrick Parks
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znod

New Member
Power User
OP, I agree with what's above unless you are doing something very demanding. What sorts or things have you been doing when making your seat of the pants observations?
 

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System One

  • OS
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP
    Computer type
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    System Manufacturer/Model
    DIY Rig; MacBook Pro (MBP)/Parallels/Boot Camp; HP Pavilion dv6500t Laptop
    CPU
    Intel i7-2600K (sometimes OC'd to 4.8 GHz)
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Neverdyne

New Member
Nothing really demanding, the whole computer just feels snappier; like opening control panel, files, Visual Studio, etc. The Raid array almost feels like a mechanical drive compared to the single SSD in this respect. When I copy a 10GB+ file over it goes very fast, but when opening a simple program the single SSD does it faster for some reason. Maybe it's just my imagination :p
 

My Computer

System One

  • OS
    Windows 8

pparks1

New Member
VIP Member
Guru
Grab a stopwatch and time a whole bunch of tasks. I would be surprised if the RAID setup were much slower...but I would expect that it won't be quantifiably faster either.
 

My Computer

System One

  • OS
    Windows 7
    Name
    Patrick Parks
    System Manufacturer/Model
    Self-Built in July 2009
    CPU
    Intel Q9550 2.83Ghz OC'd to 3.40Ghz
    Motherboard
    Gigabyte GA-EP45-UD3R rev. 1.1, F12 BIOS
    Memory
    8GB G.Skill PI DDR2-800, 4-4-4-12 timings
    Graphics Card(s)
    EVGA 1280MB Nvidia GeForce GTX570
    Sound Card
    Realtek ALC899A 8 channel onboard audio
    Monitor(s) Displays
    23" Acer x233H
    Screen Resolution
    1920x1080
    Hard Drives
    Intel X25-M 80GB Gen 2 SSD
    Western Digital 1TB Caviar Black, 32MB cache. WD1001FALS
    PSU
    Corsair 620HX modular
    Occupation
    Systems Engineer.
    Case
    Antec P182
    Cooling
    stock
    Keyboard
    ABS M1 Mechanical
    Mouse
    Logitech G9 Laser Mouse
    Internet Speed
    15/2 cable modem
    Other Info
    Windows and Linux enthusiast. Logitech G35 Headset.
    Country Flag
    USA
    State/Region Flag
    us michigan

znod

New Member
Power User

My Computer

System One

  • OS
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP
    Computer type
    PC/Desktop
    System Manufacturer/Model
    DIY Rig; MacBook Pro (MBP)/Parallels/Boot Camp; HP Pavilion dv6500t Laptop
    CPU
    Intel i7-2600K (sometimes OC'd to 4.8 GHz)
    Motherboard
    ASUS P8P67 Deluxe Rev B3
    Memory
    16 GB Corsair Vengeance
    Graphics Card(s)
    EVGA 570 SC
    Monitor(s) Displays
    Gateway
    Hard Drives
    Dual Boot:
    Win7 Ult RAID 0 on OCZ Revo x2 and
    Win7 Ult RAID 0 on Caviar Black SATA 3's
    PSU
    Cooler Master Silent Pro 1000W
    Case
    Cooler Master 932 HAF
    Cooling
    Zalman CNPS9900MAX-B CPU Fan
    Keyboard
    Logitech Cordless Desktop MX 5500
    Mouse
    Logitech Cordless Desktop MX 5500
    Internet Speed
    20 Mbps Download/2+ Mbps Upload
    Other Info
    Pioneer Blu-ray Burner/DVD Burner
    Country Flag
    USA
    State/Region Flag
    us texas

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