However, the Seagate 6TB drives don’t come in a 5400RPM version."Įven so, WD drives at the 5400rpm speed were able to write data faster than the 7200rpm Seagate drives.īackblaze performed the test, it said, because over the next several months it plans on transitioning from 4TB hard drives to the higher-capacity models. We prefer to purchase 5400RPM drives when possible, since they’re most power efficient. The WDs are 'NAS' drives, but technically still consumer.
"The 6TB drives are both 'consumer' drives. "We almost never use 'enterprise' drives in our Storage Pods because they tend to cost 2x more… and the increased reliability (which is questionable)… doesn’t justify the cost," Backblaze CEO Gleb Budman said via email to Computerworld. Both models cost about the same and use 6Gbps SATA connectors.
The different speeds account for the disparity in power use, but not necessarily performance. What's a bit odd about this test bed is that Backblaze chose a WD NAS (network-attached storage) drive with a 5400rpm spindle speed to compete against a Seagate desktop drive with a 7200rpm spindle speed. New Storage Pods come on line on a regular basis so that arriving data always has a place to go without delay. At that point, a Storage Pod will reduce the amount of data it receives each day. Newly installed Storage Pods accept data for the most part unencumbered until they reach 80% capacity.
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