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To test the drive we re-formatted it to NTFS so we could run all our benchmarks. To test the drive at its full USB 3.2 Gen2 x 2 speed we used a Gigabyte GC-USB 3.2 GEN2X2 (rev1.1) expansion card. Many thanks to Gigabyte for supplying us with the card.
CrystalDiskMark is a useful benchmark to measure the theoretical performance levels of hard drives and SSDs. We are using V7.
The ATTO Disk Benchmark performance measurement tool is compatible with Microsoft Windows. Measure your storage systems performance with various transfer sizes and test lengths for reads and writes. Several options are available to customize your performance measurement including queue depth, overlapped I/O and even a comparison mode with the option to run continuously. Use ATTO Disk Benchmark to test any manufacturer's RAID controllers, storage controllers, host adapters, hard drives and SSD drives and notice that ATTO products will consistently provide the highest level of performance to your storage.
AS SSD is a great free tool designed just for benching Solid State Drives. It performs an array of sequential read and write tests, as well as random read and write tests with sequential access times over a portion of the drive. AS SSD includes a sub suite of benchmarks with various file pattern algorithms but this is difficult in trying to judge accurate performance figures.
The official quoted transfer rates for the 4TB T9 are up to 2,000MB/s for both reads and writes. When tested with the ATTO and AS SSD benchmarks the review drive fell a little short of both of these maximums producing figures of 1,900MB/s and 1,810MB/s for read and writes respectively under ATTO and 1,813MB/s for reads and 1,862MB/s for writes using AS SSD.
However using CrystalDiskMark default Sequential tests we got a read result of 2,021MB/s, 21MB/s faster than the official figure, while the write result came in at 1,871MB/s, a little short of the official maximum.
