![]() This is where our random transfer tests come into play. In the real-world most drives don’t have data perfectly laid out across the drive in a way to give numbers close to the advertised speeds. ![]() Our next group of tests stress the drives with random read and write activity. In this test the Caviar Black comes up below its enterprise counterparts.ĬrystalDiskMark shows slightly increased values with read speeds clocking in at 145MB/s and write speeds at 138MB/s. Write speeds were nearly identical down to the hundredth of a megabyte. On the other hand the 2TB RE4 has the same listed speed but surpassed it by 6MB/s. As you can see below the drive did come quite close to it but fell short by 5MB/s. The 2TB Caviar Black has a 138MB/s transfer speed listed on its technical sheet. Our first test is a large 2MB sequential transfer to see how well the drive might perform copying large individual files and more importantly see how close the performance comes to the manufacturers sustained transfer claim. We put the 2TB Western Digital Caviar Black head-to-head with the 2TB Seagate Constellation and 2TB Western Digital RE4. The circuit board includes a Marvel 88i8945P controller chip with 32MB of integrated cache, a 32MB Hynix HY5DU121622DTP-D43 RAM module, and a SMOOTH L7251 3.1 motor controller. Western Digital also makes use of a foam pad placed in between the drive and circuit board to help absorb vibration. This allows things like the controller, RAM, and motor driver to shed heat into a heatsink instead of just the free air. The Western Digital Caviar Black is constructed in a manner which places the heat-producing components in contact with the body of the drive. Might not be as cool as the old plastic windows that some drives offered, but it’s something! Western Digital adds a touch of flair to the Caviar Black with clean black stickers covering all of the flush-mount screws on the top of the drive.
0 Comments
Leave a Reply. |