Western Digital AV-GP WD5000AVDS 500GB 32MB Cache 5400RPM SATA II 3.0Gb/s 3.5 Internal Hard Drive (CCTV DVR, PC, Mac). 500GB Capcity, 5400RPM, 32MB Buffer Size, 3.5" SATA2 Hard Drive. Passed Factory Diagnostic Software + RE-CERTIFIED by State-of-the-Art software - Full "Sector-by-Sector" test to ensure best HDD quality!
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