Seagate NAS 8TB (ST8000VN0002) Hard Disk Drive Review Posted on April 9, 2016 by Bohs Hansen Share Share Print E-mail Reddit CrystalDiskMark CrystalDiskMark is a small HDD benchmark utility for your hard drive that enables you to rapidly measure sequential and random 4KB/512KB read/write speeds. Drive Analysis Drive Comparison Pages: 1 2 3 4 5 6 7 8 9 10 11