Samsung MZ3LO15THBLA-00B07 PM1743 15.36TB PCI-Express 5.0 X4 NVMe E3.S SFF SSD

Samsung PM1743 MZ3LO15THBLA-00B07 SSD

The Samsung PM1743 MZ3LO15THBLA-00B07 15.36TB PCI-Express 5.0 x4 NVMe E3.S 1T 2.5-inch RI Enterprise SSD represents a class-leading storage solution engineered specifically for modern, high-density data center environments. Designed to leverage the bandwidth and low latency of PCIe 5.0 while offering the endurance and manageability expected in enterprise deployments, this category centers on ultra-high-capacity NVMe drives that power databases, virtualization hosts, analytics platforms, AI/ML training pipelines, and mixed workload consolidation. The PM1743 family is optimized for reliability, predictable performance, and a balance of throughput and IOPS that helps reduce total cost of ownership (TCO) while simplifying infrastructure scaling.

Key Features

This category emphasizes a set of shared technical attributes that matter most to purchasing and technical teams:

• PCIe 5.0 x4 NVMe interface — Next-generation connectivity designed to deliver substantially higher throughput than PCIe 4.0, offering headroom for future workloads and enabling more efficient host utilization.
• Enterprise form factor (E3.S 1T, 2.5-inch compatible) — Compact, rack-dense designs for modern servers and storage shelves where space and thermal management are critical.
• Very high capacity (15.36TB) — Enables consolidation of larger datasets onto fewer drives, simplifying management and cutting infrastructure footprint.
• NVMe performance characteristics — Strong random IOPS, consistent tail-latency performance, and high sustained sequential throughput suitable for database, caching, and streaming workloads.
• Enterprise-grade reliability and manageability — Features such as power-loss protection, advanced error correction, SMART telemetry, and compatibility with industry standard management frameworks and APIs.

Capacity and Form Factor Matter

A 15.36TB capacity in an E3.S / 2.5-inch compatible drive reflects a trend in data center architectures: fewer, higher-capacity drives reduce chassis population and the number of required RAID groups or erasure coding sets. This leads to lower power draw per TB, fewer heat-producing components, and simplified logistics for replacement and lifecycle management. Enterprises running large virtual machine farms, containerized environments, or scale-out databases will find that high-capacity NVMe drives reduce maintenance windows and increase usable capacity density per rack.

Performance Characteristics

In practical deployments, the benefits of the PM1743 class of drives show up in multiple ways:

• Database OLTP and mixed read/write workloads: Improved random IOPS and lower tail latencies help reduce transaction commit times and increase throughput for heavy transactional systems.
• Virtualization and VDI: Consolidating many virtual machines on fewer, faster SSDs reduces latency spikes during boot storms or peak I/O periods, improving end-user experience and host efficiency.
• AI/ML and analytics pipelines: High sequential throughput accelerates dataset staging, model checkpointing, and large-scale read operations typical in training and inference workflows.
• Caching and tiering: As an ultra-fast tier, these NVMe drives work exceptionally well as a front-line cache ahead of slower HDD tiers or as part of hybrid storage architecture.

Latency and QoS

While raw IOPS and sequential throughput are important, enterprise buyers increasingly prioritize predictable tail latency and quality-of-service (QoS). Storage that maintains consistent latency under mixed or sustained load is more valuable than occasional burst numbers. The PM1743 category focuses on firmware and system-level optimizations that minimize latency variability, which translates into better service-level objective (SLO) attainment for latency-sensitive applications.

Endurance, Reliability, and Data Integrity

Enterprise SSDs are benchmarked not only by speed but by how long and reliably they operate under continuous, heavy-duty workloads. Drives in this category include robust flash management, advanced wear-leveling, over-provisioning strategies, and strong error correction to maintain data integrity throughout the device lifetime. Common enterprise-class features you’ll find across the category include:

• Power-loss protection mechanisms to minimize the risk of data corruption during unexpected outages.
• Comprehensive SMART and telemetry data to support proactive health monitoring and predictive replacement workflows.
• Firmware-level safeguards designed for multi-tenant, highly consolidated server environments.

Integration and Compatibility

Selecting an E3.S form factor NVMe SSD like the PM1743 requires careful consideration of system compatibility, especially with newer PCIe 5.0 platforms. Key integration aspects include:

• Host platform support for PCIe 5.0 — While backward compatibility with PCIe 4.0/3.0 often exists, the full benefit is realized on native PCIe 5.0 hosts.
• BIOS/UEFI and firmware coordination to ensure NVMe boot support and proper enumeration in server environments.
• Storage orchestration and software stacks — Compatibility with hypervisors, container orchestration systems, and software-defined storage (SDS) solutions is essential for operational flexibility.

Deployment

To extract maximum value from drives in this category, follow these practical deployment guidelines:

1. Validate the server or storage chassis for E3.S / 2.5-inch physical compatibility and thermal characteristics.
2. Confirm host BIOS and operating system NVMe and PCIe 5.0 support and apply recommended firmware updates from both server and drive vendors.
3. Use enterprise-grade RAID or erasure coding with awareness of rebuild times and failure modes—higher capacity drives can increase rebuild duration, so resilient data protection strategies are critical.
4. Leverage SMART telemetry and vendor management tools for ongoing monitoring and performance tuning.

Comparisons

When evaluating the PM1743 family against other enterprise SSDs, compare on key axes: interface generation (PCIe 5.0 vs 4.0), form factor (E3.S / U.2 / M.2), capacity points, endurance rating, and vendor ecosystem support. Adjacent options include:

• PCIe 4.0 NVMe drives: Often less expensive initially but limited in throughput when paired with PCIe 5.0 hosts.
• SATA/SAS SSDs: Suitable for legacy systems or lower-cost tiers, but they cannot match NVMe latency or parallelism.
• Optane-class (or other persistent memory) technologies: For extreme latency-sensitive tiers, persistent memory may complement NVMe storage rather than replace it.

Use Case

Online Transaction Processing (OLTP) and Databases

For transactional databases, consistent low-latency random I/O is paramount. The PM1743 category supports faster commit times and higher query throughput, enabling better concurrency and reduced contention in multi-tenant database clusters. Coupled with modern journaling and log-structured database optimizations, these drives reduce end-to-end transaction latencies.

Virtualized Infrastructure and VDI

Virtual desktop infrastructure and virtual machine consolidation can create extreme burstiness (e.g., boot storms). The ability to sustain IOPS without large latency spikes is a differentiator for this category. Administrators can reduce the number of spindles required for a given VDI deployment, simplifying patching and reducing the blast radius of drive failures.

AI/ML and Big Data Analytics

Data ingestion, checkpointing, and model training demand high sequential throughput and large, fast local storage to stage datasets. The PM1743 class accelerates dataset streaming, checkpoint writes, and large file shuffles — all of which contribute to shorter iteration cycles and improved productivity for data scientists and analytics engineers.