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Samsung XS1715 1.6TB 2.5-inch NVMe PCIe Enterprise SSD Review

By: Paul Alcorn | PCIe SSDs in IT/Datacenter | Posted: Oct 23, 2014 2:30 pm
TweakTown Rating: 94%Manufacturer: Samsung

Final Thoughts




The advent of the NVMe specification is revolutionizing the way the industry utilizes flash storage, and its forward-looking design guarantees its impact will extend to future non-volatile memories. Numerous complimentary standards have sprung up to extend the benefits of the optimized interface to externally accessible ports, and even as a network fabric. The development of the NVMe Over Fabric standard is already underway at the Fibre Channel Industry Association, and will side step the performance-inhibiting SCSI translation layer to deliver end-to-end NVMe performance outside of the box.


NVMe Over Fibre is a promising future advancement, but other ingenious standards have already addressed crucial supporting roles for server-side NVMe deployments. The SFF-8639 connector and ExpressBay slots extend PCIe's high speed and low latency to the front of the server. The immediately recognizable benefits of SFF-8639 equipped ports are accessibility and hot-swapping capabilities. Another overlooked advantage is scalability. There are a limited number of PCIe ports in the server, and the ability to aggregate four NVMe devices onto one PCIe port increases the amount of performance and storage density available to the server.


Samsung leverages their own NAND, DRAM, and a customizable PMC controller, to deliver maximum performance, in a surprisingly small package. The Samsung XS1715 makes a big contribution to density with an amazing top capacity of 1.6TB in a small 2.5" 15mm SSD. NVMe provides impressive performance and a standardized platform that is compatible with in-box drivers in all major operating systems. This ensures compatibility and eases qualifications requirements.


In our testing, the XS1715 offered leading random read speeds that even surpassed HHHL competitors. The XS1715 also offers superior scaling under lighter loads, which will be beneficial in bursty environments. The XS1715 has an affinity for random read workloads, but also offers solid performance in random write workloads. The XS1715 scored well in our mixed workload testing, though, it did experience higher latency in mixed random workloads than some of the competing devices.


The Micron P420m posts amazing sequential read performance, but lower sequential write speed. The Intel DC P3700 takes an opposing stance, with leading sequential write speed, but the lowest sequential read speed. The XS1715 offers surprisingly balanced sequential performance that is impressive in both metrics. In mixed sequential testing, the XS1715 continued to provide solid performance.


A particular strength of the XS1715 was its tight latency and performance envelopes in all of the tests. The XS1715 did not lead the pack in our server workloads, with the exception of the read-centric webserver profile, but offered plenty of performance for most workloads.


The purchasing decision for any component consists of a complex mixture of factors largely determined by workload requirements, compatibility, and pricing. The Samsung XS1715 offers expected enterprise-class features, such as a five-year warranty, data path protection, power loss protection, a two million hour MTBF, and competitive endurance specifications.


One area that is a clear differentiator is its impressive density and innovative form factor. The ingenious design merits the TweakTown Best Features Award for the 2.5" NVMe SSD segment.

Product Summary Breakdown

TweakTown award
Quality, Design, Build and Warranty95%
General Features93%
Performance Consistency94%
Power Consumption and Efficiency92%
Overall TweakTown Rating94%

The Bottom Line: Samsung's XS1715 NVMe SSD delivers incredible performance and storage density in an amazingly small 2.5" package with up to 1.6TB of capacity. Competitive endurance specifications are paired with power loss protection, a two million hour MTBF, and data path protection.

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