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Conclusions
Native Command Queuing can definitely improve the performance of desktop systems. Across our nine tests, NCQ performance gains average to around 9% for both the Maxtor and Seagate drives. That's pretty good, especially considering that we saw a handful of much more impressive gains in some of our tests.

Of course, we weren't taking it easy on the drives. Our multitasking traces represent demanding, disk-intensive loads, but we've done our best to ensure that none of the multitasking scenarios we've portrayed are outlandish or unrealistic for a single-user desktop. In fact, as dual-core processors encourage more frequent and demanding multitasking, our scenarios might even start to look a little conservative.

Count on seeing more of these multitasking tests in our upcoming storage reviews. We're eager to see how new hard drives and even multi-drive RAID arrays handle our iPEAK workloads. 

The Tech Report System Guide: September 2017 editionHog heaven at the high end 92
Adata's SD700 portable SSD reviewed3D TLC in a rugged shell 7
Samsung's Portable SSD T5 reviewed64 layers on the run 12
Toshiba's XG5 1TB NVMe SSD reviewedA new type of 3D NAND takes the stage 12
Adata's Ultimate SU900 256GB SSD reviewedTwo bits per cell in three dimensions 11
Computex 2017: Adata goes all-in on M.2 SSDsGumsticks galore 18
Corsair's Force Series MP500 240GB NVMe SSD reviewedAnother NVMe challenger girds itself with 15-nm MLC 39
The Tech Report System Guide: May 2017 editionRyzen 5 takes the stage 111