Samsung MZWLJ1T9HBJR-00AD7 1.92TB PM1733 PCIe Gen4 x4 2.5-inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	1.92TB
Usage Class	Read Intensive

Interface

Host Interface	PCIe Gen4 x4
Total Interface Bandwidth	16 Gb/s

Physical Dimension

Form Factor	2.5-inch

Flash & Endurance

NAND Flash	Samsung V-NAND 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	1100000
Random Write IOPS	115000
Average Latency	100 μs

Reliability

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

Part Number

MPN	MZ-XLN1T90

Engineer's Note

The Samsung PM1733 1.92TB (MPN: MZWLJ1T9HBJR-00AD7) delivers a clear generational step over the MZ-XLN1T90 by moving to PCIe Gen4 x4 and scaling performance to 7,000 MB/s read, 2,400 MB/s write, and up to 1,100,000/115,000 random read/write IOPS for significantly faster response in read-intensive enterprise workloads. With Samsung V-NAND TLC and 1 DWPD endurance rated at 3,504 TBW, it offers a strong balance of throughput, service-life predictability, and density for virtualization clusters, analytics tiers, and high-concurrency application servers.

Endurance & Reliability

With an endurance rating of 3504 TBW, this SSD can sustain a very large amount of lifetime data writes, making it well suited for operating system, boot, logging, and mainstream enterprise application workloads. In practical terms, under typical system-disk or mixed read/write usage, this level of endurance provides long-term headroom and can support years of stable operation without endurance becoming a concern. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power outage, reducing the risk of corruption and improving recovery confidence. Its UBER rating of 1.0E-17 means an extremely low probability of uncorrectable bit errors, which is especially important for business-critical data integrity, and it is further supported by a 2 million hour MTBF specification.

Technical Specs & Insights

1. The PCIe Gen4 x4 host interface gives this drive enough bandwidth to keep modern database, virtualization, and analytics platforms fed without the storage bus becoming the bottleneck.
2. Its top-tier sequential read performance accelerates large-block workloads such as AI model loading, backup recovery, media streaming, and parallel data scans across enterprise clusters.
3. The exceptionally strong random read capability makes it ideal for latency-sensitive applications like OLTP databases, metadata services, VDI boot storms, and high-concurrency cloud platforms.
4. With an endurance profile tuned for one full drive rewrite per day, it fits read-centric enterprise environments that still need dependable sustained operation under predictable daily write pressure.
5. Samsung V-NAND TLC paired with low typical latency delivers a strong balance of capacity efficiency, response consistency, and cost control for scale-out enterprise deployments.

Capacity Sweet

Lower-capacity reference: 960GB Higher-capacity reference: 3.84TB At 1.92TB, the MZWLJ1T9HBJR-00AD7 sits in the sweet spot of the series. Compared with the 960GB model, it gives much better headroom for OS images, application growth, and data buffering, reducing the risk of early capacity pressure. Compared with the 3.84TB version, it delivers a more balanced acquisition cost while keeping broadly similar enterprise-class sequential throughput and random IOPS behavior. This makes 1.92TB a practical choice for mid-scale virtualization clusters, such as hosting boot and application volumes for around 40 to 60 general-purpose virtual machines.

FAQ