Need advice on choosing WD Hard Drive


I'm torn between two different yet similar hard drives:

Western Digital Caviar Black WD1501FASS 1.5TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive


Western Digital Caviar Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

I was wondering which one I should choose, and why. Keep in mind that I definitely like the 1.5 TB model more, but will I need the 6.0Gb/s on the 1 TB model? I'll be using my PC for gaming. Here are my specs:


GIGABYTE GV-R585OC-1GD Radeon HD 5850 (Cypress Pro) 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card w/ ATI Eyefinity

LITE-ON Black 18X DVD-ROM 48X CD-ROM SATA DVD-ROM Drive Model iHDS118-04 - OEM

Thermaltake TR2 TRX-650M 650W ATX 12V v2.3 / EPS 12V v2.91 Modular Active PFC Power Supply

Patriot Viper II Sector 5 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory w/ 3DMark Vantage Model PVV34G1600LLKB

AMD Phenom II X4 965 Black Edition Deneb 3.4GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 125W Quad-Core Processor Model HDZ965FBGMBOX
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More about need advice choosing hard drive
  1. Get the 1.5TB drive.

    Because these drives are not bottlenecked at the transfer speed they are bottlenecked by the fact that they are spinning mechanical drives. The new SATA III (6.0 Gb/s) is only really utilized by solid state disks. A lot of people think there will be a big increase in speed using the new interface but the old interface is fine for all but the fastest disks which would only see a small speed increase. Solid state drives are capable of very fast transfer speeds and can actually max out the ability of SATA II.
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