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2025-09-08
SSD University
What Is UBER? Understanding Uncorrectable Bit Error Rate to Choose a High-Reliability SSD
Deep Dive into UBER: A Critical Metric for Selecting Reliable SSDs
When selecting industrial or enterprise-grade SSDs, reliability is a core concern.Among the various technical indicators, UBER (Uncorrectable Bit Error Rate) is one of the most essential—yet often overlooked—metrics for ensuring long-term data integrity.In this article, we’ll explore what UBER is, how it relates to SSD reliability, and how to use it effectively when selecting the right SSD for your business.
What Is UBER (Uncorrectable Bit Error Rate)?
UBER refers to the rate of uncorrectable errors that occur during data transmission or storage in an SSD.
It is defined as the number of bits that experience uncorrectable errors divided by the total number of bits transferred or stored.
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A lower UBER value means that the SSD provides greater data integrity and reliability, especially during large-scale data transfers.
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While other metrics like MTBF (Mean Time Between Failures) and DWPD (Drive Writes Per Day) focus on hardware durability, UBER addresses the reliability of the data layer—measuring how well the SSD can maintain accurate data over time.
How UBER Relates to SSD Reliability
✅ Ensures Data Integrity
UBER is a critical metric for assessing whether an SSD can maintain the accuracy of large data volumes during operations. For enterprise and industrial use cases, a low UBER is a baseline requirement for ensuring secure data handling.
✅ Enterprise-Grade & Industrial SSD Standards
Industrial and enterprise-grade SSDs are typically expected to meet very low UBER thresholds to handle extreme operating conditions such as high temperatures, constant heavy loads, and 24/7 operation.
Consumer-grade SSDs may not meet these stringent reliability standards.
✅ Error Rate Over SSD Lifespan
As SSDs age, NAND flash cells degrade, increasing the likelihood of data errors.
UBER helps quantify the long-term error rate over the lifespan of the SSD and provides a reference point for selecting high-durability storage.
✅ Role of ECC (Error Correction Code)
ECC technology plays a major role in minimizing data corruption.
UBER acts as a performance indicator for ECC systems—a lower UBER generally reflects a more efficient and advanced ECC implementation.
How to Choose the Right SSD Using UBER
Beyond price and performance, UBER is a critical factor when selecting an SSD for high-reliability environments. Here are practical guidelines:
🔹 Applications with High Data Integrity Requirements
For industries that handle critical data, such as financial transactions or medical records, it is strongly recommended to choose SSDs with very low UBER values.
🔹 Harsh Operating Environments
In environments with extreme temperatures, heavy workloads, or vibration, choosing an industrial SSD with wide temperature tolerance and low UBER significantly reduces the risk of data loss.
🔹 Long-Term Stability
For enterprise servers and systems that require continuous operation over long periods, a low UBER ensures reliable, uninterrupted data retention and access.
SSSTC’s Industrial & Enterprise SSD Solutions
SSSTC (Solid State Storage Technology Corporation) is dedicated to delivering high-reliability SSDs for industrial and enterprise-level applications.
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All products use advanced ECC technologies and undergo strict quality assurance.
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Our SSDs maintain ultra-low UBER values to protect data integrity and minimize the risk of data corruption or loss.
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Designed to support various applications including edge computing, AI analytics, and data center workloads.
All SSSTC SSDs are built with premium KIOXIA NAND flash memory, offering customizable, high-performance storage solutions tailored to the needs of modern businesses.
PJ1 E1.S (eTLC)
NAND Flash: 3D TLC NAND Flash
Interface: PCIe® Gen4 x4
Sequential Read: UP to 6600 MB/s
Sequential Write: UP to 3500 MB/s
SSSTC provides the best quality, competitive cost mainstream storage products with superior customized service,using KIOXIA top-quality, reputable NAND flash memory in all our SSD products.Contact us to find more enterprise SSD or industrial SSD solutions.
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