Samsung MZWLJ15THALA 15.36 TB PM1733 PCIe Gen4 x4 U.2 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	15.36 TB
Usage Class	Read Intensive

Interface

Host Interface	PCIe Gen4 x4
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	U.2 (2.5")

Flash & Endurance

NAND Flash	Samsung V-NAND 5th-Gen 92-layer 3D TLC
Drive Writes Per Day	1
Total Bytes Written	28032 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	135000
Average Latency	85 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZWLJ15THBLA

Engineer's Note

Compared with the earlier MZWLJ15THBLA, the MZWLJ15THALA moves the PM1733 to Samsung 5th-Gen 92-layer V-NAND on a PCIe Gen4 x4 interface, delivering up to 7,000/3,800 MB/s and 1,450,000/135,000 IOPS for materially more headroom in latency-sensitive, read-heavy enterprise workloads. With 15.36 TB of capacity and 1 DWPD endurance rated at 28,032 TBW, it is a strong fit for high-density virtualization, scale-out analytics, and content-serving tiers that need to maximize rack-level performance per drive without stepping up to a higher-endurance SKU.

Endurance & Reliability

With an endurance rating of 28,032 TBW and 1 DWPD, this SSD is designed to handle 28 petabytes of total writes over its service life, which is far beyond the write volume of most typical server and system-boot workloads. In practical terms, for common enterprise use such as OS, application, and read-intensive infrastructure deployments, it can deliver many years of stable operation with ample endurance margin. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and prevents metadata corruption if power is suddenly interrupted. Its UBER of 1.0E-17 and 2-million-hour MTBF indicate a very low risk of uncorrectable bit errors and strong long-term operational reliability, giving procurement teams greater confidence for business-critical deployments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface, paired with top-tier sequential read performance, accelerates large-block data streaming so databases, virtual machine images, and analytics datasets load markedly faster in enterprise servers.
2. Its exceptionally strong random read capability is built for read-intensive workloads such as OLTP databases, metadata services, and high-concurrency virtualization, where massive parallel access must stay consistently responsive.
3. A 1 DWPD endurance rating gives enterprises the confidence to run daily full-drive writes throughout the warranty period, making it a practical fit for mainstream mixed-use data center deployments.
4. Samsung’s 5th-generation 92-layer 3D TLC V-NAND balances density, efficiency, and reliability, helping operators scale capacity economically without sacrificing the predictable performance expected from enterprise flash.
5. The low typical latency supports faster transaction response and tighter QoS control, which is especially valuable for latency-sensitive applications like real-time analytics, high-frequency logging, and cloud service infrastructure.

Capacity Sweet

Lower capacity: 7.68 TB Higher capacity: 30.72 TB At 15.36 TB, this SSD sits at the sweet spot of the family. Compared with the 7.68 TB model, it gives much better headroom for data growth, denser server consolidation, and longer refresh cycles without changing the expected enterprise-class read, write, and IOPS profile. Compared with the 30.72 TB option, it offers a more efficient balance of acquisition cost, usable capacity, and predictable performance per drive. This makes 15.36 TB especially well suited for mid-scale virtualization clusters, mixed database nodes, or shared storage pools supporting about 40 to 60 business applications.

FAQ