Need advice on sata3 vs sata2 Tags: Hard Drives Western Digital SATA Storage Last response: June 9, 2012 3:47 PM in Storage Share thebiggvan June 9, 2012 1:48:44 PM im thinking of upgrading to a Western Digital Caviar Black WD1002FAEX is there a noticeable increase in speed if im coming from a Seagate Barracuda 7200.10 ST3250820AS how much of a difference would 8 times more cache make? is sata 2 alot more faster than sata 3? is it worth paying the extra? More about : advice sata3 sata2 unksol a b G Storage June 9, 2012 1:58:14 PM there's zero difference between sata2 and sata3 for mechanical drives m 0 l Dereck47 a c 542 G Storage June 9, 2012 2:45:19 PM SATA 2 (3Gb/s) speeds are from 151MB/s to 300MB/s. SATA 3 (6Gb/s) speeds are from 301MB/s to 600MB/s. The WD Caviar Black has data transfer speeds of 126MB/s. The Seagate Barracuda has data transfer speeds of 72MB/s. Yes, there should be some real-world difference if you upgraded to the Caviar Black. m 0 l Can't find your answer ? Ask ! Get the answer rolli59 a c 265 G Storage June 9, 2012 3:47:46 PM The only difference is that the WD black is faster in read and write, I am not sure a regular user would notice the difference, people that read and write large files to the drive often would. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedRAID 0 Speeds SATA3 vs SATA2 Forum SolvedSamsung SpinPoint 1TB SATA2 vs WD Caviar Black 1TB SATA3 Forum SolvedSamsung Spinpoint F3 1 TB (SATA2) vs WDC Caviar Blue 1 TB (SATA3) Forum OS installed to SATA2 vs. SATA3? Forum SATA3 drive at 5900rpm vs SATA2 drive at 7200rpm Forum SolvedFrom sata2 to sata3 Forum SolvedDoes my motherboard support sata2 and sata3 Forum Solvedsata2 and sata3 backwards compatible Forum SolvedMoving hard drive from SATA3 port to SATA2 port Forum SolvedHave 2 seagate Sata3 6mb/sec drives none any faster on a sata 3 mb from a sata2 system. whats up Forum SolvedOkay to mix SATA2 SSD with SATA3 SSD in a RAID 0 on SATA3 controller? Forum SolvedWestern Digital Blue 500gb SATA3 or Hitachi Deskstar 1TB SATA2 Forum SolvedShould I connect my SSD through SATA3 or SATA2? Forum SolvedSsd 64 GB sata3 6gb on a motherboard with sata2 3gb Forum SolvedWorth upgrading from SATA2 Intel 320 SSD to SATA3 Crucial M4 SSD? Forum SolvedDiff between sata2 and sata3 hd Forum SolvedWD Green 2TB Sata3 (WD20EARX) compatible with Sata2? Forum Solved2x vertex 2 sata2 raid 0 or 2 vertex 3 sata3 non raid? Forum SolvedRAID 5 in 2 Sata3 and 1 Sata2 Forum Existing Sata-3 interface, SSD runs at Sata-2 speed Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !