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Important compatibility note: When using the 1st generation WD SecureConnect, you must use the legacy (Molex) power connection because the SecureConnect cable utilizes (covers) the SATA power port to provide additional connector stability.

These features are tapered to guide the cable into final alignment with the drive's connector, thus allowing for blind mating of the cables. With these enhanced engagement features, the connector is much less susceptible to damage. The SecureConnect design enhancement was accomplished by placing rectangular guide receptacles on either side of the SATA connector that engage with the corresponding feature (guide pin) in SecureConnect-compliant cable receptacles. SecureConnect was designed to overcome problems with connector breakage, increasing breaking strength by more than 500 percent while remaining compatible with standard SATA cables and backplanes. However, the standard SATA connector has severe limitations in cabled environments and is prone to breakage. The original SATA connector demonstrated acceptable performance when engaged with a backplane or a "captive" connector. The Western Digital part number for the SecureConnect cable is (2nd Gen) WDCAC030RNN and (1st Gen) WDSC05RCW. SecureConnect cables are available through Western Digital distribution partners and will be included in Western Digital retail packs. It provides a stable, secure attachment between the hard drive and cable. SecureConnect is a Serial ATA (SATA) cable connection system designed by Western Digital.