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The Western Digital Caviar Black WD6402AAEX is a derivative of the Caviar Black 3.5” SATA hard disc drive.

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Pros

access speeds are above average, great for when you need fast read/write times for games or complex applications

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reliable performance for years at a time, can be counted on

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works well with a wide range of computer systems

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installation is very plug-and-play, not very complicated

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Cons

draws more power than most drives in the same capacity range

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can hear the heads moving around, pretty noisy

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generates a bit of heat when being worked hard, needs to be accounted for in the case

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The Western Digital Caviar Black WD6402AAEX is a derivative of the Caviar Black 3.5” SATA hard disc drive. In particular, this derivate hosts 640GB of hard disc space rotating at 7200rpm. This is enough space to store 128,000 photos; 160,000 songs; and 49 hours of video. Also included is 64MB of cache. This disc uses a SATA II interface, meaning theoretical speeds up to 6Gb/s. The actual buffer to disc speed is 128 MB/s, while the latency is 4.2ms. Expert tests have proven that the Caviar Black drive offers sequential read and write speeds that rank closely to the WD RE4 and Seagate Constellation ES. Overall, it’s a budget-friendly storage device, but it’s slower than some of the more premium, enterprise-level models available.

Features
  • 3.5” Caviar Black HDD
  • SATA-II Interface
  • Marvel 88i8945P Controller Chip
  • Hynix HY5DU121622DTP-D43 RAM Module
  • SMOOTH L7251 3.1 Motor Controller
  • Fast Performance
  • High Capacity
  • Low Startup Power
  • Slower Than Enterprise HDDs
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