Nowadays, PCIe Gen5 SSDs are making their way into datacenters across the globe. With double the potential throughput of PCIe 4.0, PCIe 5.0 has a lot to offer in terms of TCO as measured by IOPS per watt. PCIe 5.0 SSDs can deliver as much as double the IOPS within a relatively similar power envelope, making PCIe 5.0 SSDs overall more efficient than PCIe 4.0 as measured in IOPS per watt.

 

Memblaze is a leading provider of enterprise-class SSD products and solutions, founded in Beijing in 2011, the PBlaze series of enterprise SSDs launched by Memblaze are currently being widely used in database, virtualization, cloud computing, big data, artificial intelligence, and other fields, providing stable and reliable high-speed storage solutions for Internet, cloud services, finance, and telecommunications industries.

 

As one of the earliest PCIe 5.0 SSDs to achieve large-scale shipments, the PBlaze7 7940 has surpassed 1,000 PB in deployment. In the review of this product by the renowned tech media TweakTown, they evaluated it as follows:

 

At queue depths of 2 or more, the PBlaze7 7940 delivers the highest sequential write performance among all tested SSDs, with a peak sequential write bandwidth of up to 10.7 GB/s. At queue depths of 8 or more, its sequential write performance leads by up to 66%!

 

In the 128K sequential read test, the PBlaze7 7940 shows significantly higher performance at QD1 to QD4, with a clear lead. At QD1, the sequential read performance of the PBlaze7 7940 is over 2.1 times that of the second-place contender!

 

In the 4K random write test, the PBlaze7 7940 maintains extremely low latency throughout, achieving 706K IOPS at QD256, setting a new record in TweakTown’s SSD performance tests.

 

In the 4K random read test, the PBlaze7 7940 performs even better at QD128. Using the IO-Meter testing software, the PBlaze7 7940 achieves 4K random read IOPS of 2,801K, equivalent to approximately 11,474.32 MB/s, which is exceptionally impressive!

 

The PBlaze7 7940 demonstrates a greater performance advantage in the 8K random write test, achieving up to 430K IOPS and setting a new performance record in TweakTown's lab at QD16 and higher queue depths.

 

In the 8K random read performance test, the PBlaze7 7940 leads its competitors at every queue depth, with a peak performance of 1,534K IOPS. Additionally, both in 8K random read and 8K random write tests, the PBlaze7 7940 exhibits lower latency.

 

The Web Server workload is a pure random file read test with file sizes ranging from 512B to 512KB and varying proportions of different file sizes. It is also one of TweakTown's most demanding tests. The results show that the PBlaze7 7940 outperforms all tested SSDs, reaching 800K IOPS at QD256, which is 26% ahead of the second-place contender.

 

In the 2.5-inch U.2 form factor, the PBlaze7 7940 runs 15-20°C cooler than the CM7-V.

 

The PBlaze7 7940 has broken multiple performance records in TweakTown's enterprise SSD tests. Its larger capacity, higher performance, and lower heat generation have affirmed its high energy efficiency, earning it the Editor's Choice award.