Samsung MZWLJ1T9HBJR-00007 1.92 TB PM1733 PCIe 4.0 x4, NVMe 1.3 U.2 (2.5 inch 15mm) Enterprise/Read-Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	1.92 TB
Usage Class	Enterprise/Read-Intensive

Interface

Host Interface	PCIe 4.0 x4, NVMe 1.3
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	U.2 (2.5 inch 15mm)

Flash & Endurance

NAND Flash	Samsung V5 (9xL) TLC
Drive Writes Per Day	1
Total Bytes Written	3504 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	2400 MB/s
Random Read IOPS	1400000
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	MZQLB1T9HAJR

Engineer's Note

Compared with the previous-generation MZQLB1T9HAJR, the Samsung PM1733 MZWLJ1T9HBJR-00007 steps up to PCIe 4.0 x4 and Samsung V5 TLC, delivering up to 7,000 MB/s sequential read and 1.4M random read IOPS with roughly 2× the host-interface bandwidth of a PCIe 3.0 design. For architects refreshing mixed read-intensive virtualization, analytics, or scale-out storage nodes, this 1.92 TB model pairs enterprise-grade 1 DWPD / 3504 TBW endurance with much higher read-side throughput, making it a stronger fit where latency and rack-level performance density matter more than write-heavy tuning.

Endurance & Reliability

With an endurance rating of 3504 TBW and 1 DWPD, this SSD is designed to handle writing its full usable capacity once per day throughout its rated service life, making it well suited for steady enterprise workloads. In typical server and system-drive scenarios, this level of endurance provides long-term, worry-free operation and is more than sufficient for many years of normal OS, application, and business data activity. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve data in flight during an unexpected power interruption, reducing the risk of corruption and improving system integrity. Its UBER of 1.0E-17 indicates an extremely low rate of unrecoverable bit errors, which is critical for business environments that require high data accuracy, while the 2 million hour MTBF further supports confidence in stable long-term deployment.

Technical Specs & Insights

1. The PCIe 4.0 x4 interface with NVMe 1.3 gives this drive the host-bandwidth and command efficiency needed to keep virtualization clusters and scale-out application servers fed without becoming a storage bottleneck.
2. Sequential read performance of 7000 MB/s sharply reduces startup and streaming time for large databases, analytics datasets, and AI model files in enterprise servers.
3. Random read capability of 1,400,000 K IOPS enables extremely high transaction concurrency, making it well suited for latency-sensitive OLTP, metadata-heavy workloads, and dense VM environments.
4. With 1 DWPD endurance backed by Samsung V5 (9xL) TLC NAND, the SSD balances reliable daily write capacity and high flash density for mainstream enterprise workloads that need predictable service life at scale.
5. A typical latency of 85 µs helps accelerate small-block access and improves application responsiveness, which is critical for real-time services, caching tiers, and performance-focused cloud infrastructure.

Capacity Sweet

Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB At 1.92 TB, this SSD sits in the sweet spot of the family. Compared with the 960 GB version, it gives meaningfully more headroom for OS images, logs, hot data, and future growth, reducing early capacity pressure. Compared with the 3.84 TB model, it usually delivers a better balance of acquisition cost, usable capacity, and enterprise-grade performance consistency, since sequential throughput and random IOPS stay broadly similar across the range. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 virtual machines.

FAQ