Is this cable worth $6.40?

For a basic SATA III data cable, $6.40 is a normal price. Cheaper cables exist, but with only one store listing it new, there is nothing to compare against right now.

Does it work with SATA II drives?

Yes. SATA is backward compatible, so the drive and port run at the slower SATA II speed of 3 Gbps.

Do I need a separate power cable?

Yes. This is the 7-pin data cable only. The drive still needs a SATA power connector from the power supply.

Will 19.68 inches reach my drive bay?

In most mid-tower cases, yes. In small ITX builds or with drives mounted far from the motherboard, measure the run first.

Is it compatible with any motherboard?

Any board with a standard 7-pin SATA port works. That covers nearly all desktop boards from the last 15 years.

What comes in the box?

One 7-pin SATA III cable, 19.68 inches long. No power cable or mounting hardware is included.

Where is the 7 Pin SATA III Cable cheapest?

At Walmart, for $6.40, as of our latest check.

7 Pin SATA III Cable

Best price now

$6.40at WalmartObserved Nov 3, 2026, 9:04 AM

Prices are checked against each store and labelled with when.

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Our take on the 7 Pin SATA III Cable

This is a 7-pin SATA III data cable, 19.68 inches (about 50 cm) long, used to connect a SATA hard drive or SSD to a motherboard. It carries data only, not power, so it pairs with a separate SATA power cable from the PSU. The single new price is $6.40 at Walmart as of November 3, 2026, with no other store pricing it new.

Best forReplacing a lost or damaged SATA data cable