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Solid State Storage (SSS) Performance Test Specification (PTS)

Update: SSS Performance Test Specification - Enterprise Version 1.1 has been released.

The SNIA has developed methods which enable manufacturers to set, and customers to compare, the performance specifications of Solid State Storage devices, which are evolving with the state of the technology. These specifications define a set of device level tests and methodologies which enable comparative testing of SSS devices for Enterprise and Client systems.

Until recently, there had been no widely accepted test methodology for measuring SSS device performance. So each SSS manufacturer utilized different measurement methodologies to derive performance specs for their SSS products. Thus it’s been difficult for buyers to fairly compare the performance specifications of SSS products from different manufacturers. The SSS PTS defines a suite of tests and test methodologies to measure the performance characteristics of SSS products. The SSS PTS provides performance measurements that may be fairly compared to those of other SSS products measured the same way in the same environment.

The SSS PTS consists of two separate, precisely targeted specifications for Enterprise and Client.

Click here for Enterprise PTS

IP Disclosures

Click here for Client PTS

IP Disclosures

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New Solid State Storage Performance Test Specification

A new revision of the Enterprise Solid State Storage Performance Test Specification (PTS–E 1.1) is available for public review. The PTS is an industry standard test methodology and test suite for the comparison of SSD performance at the device level. The PTS–E 1.1 updates the PTS–E 1.0 released in 2011 and adds tests with specific types of workloads common in the enterprise environment. The PTS–E 1.1 may be downloaded at

"The PTS–Enterprise v1.1 provides both standard testing (IOPS, Throughput, Latency, and Write Saturation) as well as new tests for specific workloads commonly found in Enterprise environments," said Eden Kim, Chair of the SSS Technical Work Group. “These new tests also allow the user to insert workloads into the new tests while maintaining the industry standard methodology for pre conditioning and steady state determination."

The new tests target workloads common to OLPT, VOD, VM, and other enterprise applications while paying special attention to the optimization of drives for varying demand intensity, maximum IOPS and minimal response times and latencies.


New Reference Test Platform

The SNIA SSSI PCIe SSD Committee has also defined the Reference Test Platform 3.0 to be used for testing of PCIe and SAS SSD Devices. A follow on to the SSSI RTP 2.0, the new RTP 3.0 is based on a PCIe 3.0 motherboard. The new RTP 3.0 will enable the testing of PCIe and 12Gb/s SAS SSDs. For more details, see


SSD Testing Service

SSSI is recommending a new SSD testing service. Companies and individuals can now submit SAS, SATA, mSATA, or PCIe SSDs to be tested to the SNIA SSS Performance Test Specification (PTS) for a fee. Testing is conducted by a certified SSS PTS testing facility and includes a variety of tests defined in the SNIA SSSI PTS. Complete reports as defined in the PTS will be provided. Interested parties may get more information at


How to get involved

Any company interested in participating in the ongoing development of the SSS Performance Test Specifications (both Client and Enterprise) and promoting SSS technology is encouraged to join SNIA, SSSI, and the SSS TWG. Status on updates to the specification, related white papers, and industry articles can be found at


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