Samsung MZWLL1T9HAJQ-000H3 1.92 TB PM1723b NVMe PCIe Gen3 x4 2.5 inch Mixed Use Solid State Drive

General

Brand	Samsung
Model	PM1723b
Capacity	1.92 TB
Usage Class	Mixed Use

Interface

Host Interface	NVMe PCIe Gen3 x4
Total Interface Bandwidth	32 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	TLC V-NAND
Drive Writes Per Day	3
Total Bytes Written	10512 TBW

Performance

Sequential Read	3300 MB/s
Sequential Write	2200 MB/s
Random Read IOPS	800000
Random Write IOPS	140000
Average Latency	90 μs

Reliability

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

Part Number

MPN	MZWLL1T6HEHP-000H3

Engineer's Note

Compared with MZWLL1T6HEHP-000H3, the PM1723b MZWLL1T9HAJQ-000H3 delivers a stronger endurance-to-capacity profile with 1.92 TB of TLC V-NAND, 3 DWPD, and 10,512 TBW, while sustaining up to 3,300/2,200 MB/s sequential performance and 800,000/140,000 IOPS over PCIe Gen3 x4. Its standout value in this class is combining enterprise-grade write endurance with very high random-read capability, making it a precise fit for mixed OLTP databases, virtualization clusters, and latency-sensitive read-heavy infrastructure that need more usable flash capacity without giving up durability.

Endurance & Reliability

With an endurance rating of 10,512 TBW and 3 DWPD, the MZWLL1T9HAJQ-000H3 is built for sustained write-intensive enterprise workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, application, and mixed server usage, giving buyers strong confidence that it can operate as a system or business-critical drive for many years under normal deployment conditions. This model also includes enterprise power loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving system integrity. Its UBER rating of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data reliability for mission-critical storage environments.

Technical Specs & Insights

1. The NVMe over PCIe Gen3 x4 interface removes legacy storage bottlenecks, enabling faster host communication and better parallelism for virtualization, database, and latency-sensitive server workloads.
2. Its strong sequential read capability accelerates large-block data movement, reducing wait time for analytics scans, backup restores, and media streaming pipelines.
3. The exceptionally high random read performance supports dense VM farms and read-heavy transactional applications by serving massive numbers of small requests with consistent responsiveness.
4. Built with TLC V-NAND and an enterprise-grade endurance profile, it is well suited for sustained mixed-use deployment where predictable lifespan and lower cost per terabyte both matter.
5. The very low typical latency helps applications reach data faster, improving QoS and making user-facing services more responsive during peak demand.

Capacity Sweet

Lower capacity: 960 GB Higher capacity: 3.84 TB At 1.92 TB, this SSD sits in the sweet spot of the family. Compared with the 960 GB model, it gives meaningfully more headroom for OS images, logs, hot data, and future growth, reducing early capacity pressure in production environments. Compared with the 3.84 TB model, it delivers a more balanced acquisition cost while maintaining essentially the same enterprise-class sequential and random performance profile. This makes 1.92 TB especially well suited for mid-scale virtualization clusters, such as shared boot and application storage for about 40 to 60 virtual machines.

FAQ