Samsung PM1643a 15.36TB SAS 12G Enterprise SSD

Brand: Samsung | Category: Enterprise SSDs

SKU: SAMSUNG-PM1643A-15.36TB-SAS-12G-SSD | Part #: SAMSUNG-PM1643A-15.36TB-SAS-12G-SSD | MPN: SAMSUNG-PM1643A-15.36TB-SAS-12G-SSD

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At 10W idle draw and a typical active power budget of 25W across 15.36TB of capacity, the Samsung PM1643a SAS 12G Enterprise SSD delivers one of the most power-efficient density points in the 2.5-inch SAS form factor. For storage architects designing high-capacity SAS arrays across data centres in the GCC and Asia-Pacific regions, this efficiency translates directly to lower per-terabyte power consumption in dense configurations. A single chassis of PM1643a drives consumes substantially less power than equivalent capacity spread across smaller-volume predecessors, a calculation that matters enormously when your facility power budget is fixed and your storage headroom is not.

The MZILT15THALA-00007 part number identifies Samsung's purpose-built enterprise drive for mixed-use workloads—neither purely sequential archival nor high-frequency transactional, but the middle ground where most data centre operations actually live. Sequential throughput reaches 2,100 MB/s on read and 1,700 MB/s on write, sufficient for bulk data migrations, backup windows, and moderate streaming workloads. More telling for day-to-day production is the random performance: 400,000 IOPS at 4K reads and 50,000 IOPS on writes. These numbers sit comfortably above what single-drive latency-sensitive applications demand, yet the 1 DWPD endurance rating acknowledges that this is not a write-intensive monster—it is purpose-designed for read-dominant or balanced I/O patterns typical in relational databases, virtualised environments, and analytics clusters operating on warm data.

Samsung's V-NAND TLC technology here carries the company's proven track record in consumer and enterprise flash, refined across years of PM1600, PM1633, and PM1643 iterations. The dual-port SAS 12Gb/s interface ensures this drive can sit in active-active controller configurations, eliminating single points of failure in clustered storage arrays. Where a storage architect is planning redundancy across multiple SAS expanders or building out a hybrid SAN with failover requirements, dual-port capability becomes non-negotiable. The 2.5-inch SFF form factor allows 24 to 48 drives per rack unit depending on your enclosure—the same physical density you would expect from NL-SAS or SAS spinners, but with the latency and IOPS profile that makes modern virtualisation and containerised workloads viable without further tiering.

Data integrity and security are baked into the Samsung PM1643a at the hardware level, not as afterthought. AES 256-bit encryption runs on the drive itself, offloading crypto work from your host controllers and eliminating the performance tax that software-based schemes impose. The T10 DIF end-to-end protection checks data integrity at every hop—from host to controller to drive—catching bit rot before it reaches your file system or database. For regulated industries or environments handling sensitive customer data, this combination means compliance with encryption mandates without custom application logic. Capacitor-backed power-loss protection safeguards in-flight writes, ensuring that a sudden mains failure or UPS event does not corrupt metadata or leave your volumes in an inconsistent state. Samsung also supports Sanitize Instant Erase (SIE), allowing rapid decommissioning of drives when lease terms end or hardware rotates out—critical for any data centre running multi-tenant or cloud-adjacent environments where audit trails and data sovereignty matter.

The specifications reflect enterprise-grade reliability expectations: a 2,000,000-hour MTBF and full operating range from 0°C to 70°C match the thermal and environmental diversity of modern data centre design. A network engineer or systems administrator configuring SAS arrays in high-density environments—particularly those running VMware, Hyper-V, or Kubernetes persistent volumes on SAN storage—will find the Samsung PM1643a MZILT15THALA-00007 a proven, field-validated choice that neither surprises on performance nor creates infrastructure surprises through unexpected power draw or thermal burden. The 210-gram weight and compact 69.85 × 15 × 100.45 mm footprint mean installation in standard 2.5-inch SAS caddies requires no unusual mounting hardware or custom engineering.

Omnixon Global stocks the Samsung PM1643a 15.36TB SAS 12G Enterprise SSD for immediate delivery to data centre operators, AI infrastructure teams, and enterprise storage groups across the UAE, GCC, and broader Asia-Pacific markets. Whether you are building out a new SAS array, replacing aging inventory, or scaling an existing platform, we maintain inventory and technical expertise to match your deployment timeline and configuration requirements. Contact our sales team to request a quotation, discuss volume pricing, or arrange a technical discussion with our storage specialists.

Enterprise Performance & Reliability Specifications

• 15.36 TB capacity in 2.5-inch form factor; dual-port SAS 12Gb/s for active-active failover configurations
• Sequential read/write: 2,100 MB/s and 1,700 MB/s respectively; random I/O up to 400,000 read IOPS and 50,000 write IOPS
• Samsung V-NAND TLC with 1 DWPD endurance; 2,000,000-hour MTBF for enterprise SLA compliance
• Hardware AES 256-bit encryption, T10 DIF end-to-end protection, and capacitor-backed power-loss safeguards
• Low power footprint: 25W active, 10W idle; Sanitize Instant Erase (SIE) for rapid secure decommissioning