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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. 

Crucial's BX100 and MX200 solid-state drives reviewedBrothers from different mothers 45
Some 840 EVOs still vulnerable to read speed slowdownsPatched drives exhibit problems with old data 111
Samsung's Portable SSD T1 reviewedA pocketable 850 EVO 34
Samsung's 850 EVO solid-state drive reviewed3D V-NAND's destiny 57
The SSD Endurance Experiment: Two freaking petabytesThe survivors soldier on to another really big number 61
Corsair's Neutron Series XT solid-state drive reviewedMy SSD controller has more cores than yours 24
Samsung's 840 EVO update fixes slow reads with old dataAn early look at the EVO's Performance Restoration tool 28
Micron's M600 solid-state drive reviewedA truly dynamic SLC/MLC hybrid 24