Setup and test results …
With the following SSD benchmark software the drive was checked and compared for the maximum performance:
AS SSD Benchmark – Download
ATTO Disk Benchmark – Download
CrystalDiskMark – Download
HD Tach – Download
SiSoftware Sandra – Download
AS SSD benchmark results
The AS SSD benchmark values offer a very good indication of the maximum possible read and write speed, the speed for smaller files and their respective access times. By the way, 4K means that small 4K blocks are read or written and this is distributed to 64 threads simultaneously in the 4K 64Thrd. Thus, the benchmark program simulates a typical program start, for example.
With the 1TB P5 Plus SSD, we already achieve values in the AS SSD benchmark that are clearly above the maximum PCIe 3.0 x4 bandwidth. Compared to the predecessor P5, the achieved score is a staggering 40% higher. We would also wish for such increases in new CPU generations :biglol:
ATTO Disk benchmark results
The ATTO Disk Benchmark values give a very good overview of how the write and read speeds behave with different file sizes. However, the measured values are maximum values that should not be confused with the continuous transfer rates, since this benchmark can be higher even in SSDs with a slower overall performance.
Starting at 16kB transfer size, the P5 Plus NVMe SSD reaches write values in the gigabyte/s range and starting at 64kB, the maximum speed of 4.66GB/s is reached. Even with these tiny file sizes, significantly higher speeds are achieved than in the predecessor P5. When reading, the PCIe 3.0 x4 standard is surpassed from 256kB transfer size and from 4MB the maximum value of 6.38GB/s is reached.
The P5 Plus 1TB NVMe SSD achieves excellent rates in all categories. The sequential transfer rates of 6848 MB/s read and 5010 MB/s write are even slightly above the manufacturer’s specification of 6600 MB/s and 5000 MB/s.
HD Tach results
The HD Tach benchmark values show the course of the performance very well, but it is clearly different for an SSD than for a conventional HDD. Due to the new logical management of the SSD controllers when accessing the NAND cells, the values can fluctuate with the HD Tach version 126.96.36.199, which is designed for hard drives, as with SSDs with a similar structure.
SiSoftware Sandra benchmark results
Of course, the SiSoftware Sandra benchmark must not be missing in the test series. SiSoftware has had a very comprehensive tool on the market for a few years with the SiSoft Sandra program, which can be used to get very reliable test results from all hardware components.
Even with longer and repeated benchmark runs, the determined readings were constant. Additionally, we also stressed the P5 Plus with common file copy operations. But even the storage of 153GB test files delivered by a PCIe 3.0 x4 NVMe SSD did not result in any throttling of the speed.
Nevertheless, we recommend using a passive heat sink, as it is included in many motherboards. The maximum temperature output from the internal temperature sensor could be reduced in our case from over 70°C to just over 50°C! The temperature increase is then also much slower than without a heat sink. With a heat sink, no speed losses due to thermal throttling are to be expected in normal use.
Crucial P5 Plus 1TB M.2 NVMe SSD Result and general impression …