Samsung MZ-XLJ1T90 1.92 TB PM1733 NVMe PCIe Gen4 x4 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	1.92 TB
Usage Class	Read Intensive

Interface

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

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	TLC V-NAND
Drive Writes Per Day	1
Total Bytes Written	3504 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	2400 MB/s
Random Read IOPS	800000
Random Write IOPS	100000
Average Latency	95 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-WLL1T93

Engineer's Note

Compared with MZ-WLL1T93, the Samsung PM1733 (MZ-XLJ1T90) steps up to a PCIe Gen4 x4 NVMe interface and delivers up to 7,000 MB/s sequential read with 800,000 random read IOPS, offering a clear generational gain in host bandwidth and read-intensive application responsiveness. With 1.92 TB of TLC V-NAND, 1 DWPD endurance, and 3,504 TBW, it is a strong fit for mixed enterprise workloads that need higher throughput than the prior generation without moving to a higher-write endurance class.

Endurance & Reliability

With an endurance rating of 3,504 TBW and 1 DWPD, the MZ-XLJ1T90 is designed to handle a full drive write every day across its rated service life, which is more than sufficient for typical enterprise boot, OS, logging, and mixed application workloads. In practical terms, under normal system-disk usage, this level of endurance supports long-term deployment with comfortable write headroom and low concern about premature wear. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption or incomplete writes. Its UBER of 1.0E-17, together with a 2 million hour MTBF, reflects a very low uncorrectable bit error rate and strong operational reliability, giving procurement teams added confidence for business-critical environments.

Technical Specs & Insights

1. The NVMe over PCIe Gen4 x4 interface gives this drive the bandwidth headroom needed to keep virtualized databases, analytics clusters, and modern application stacks fed without SAS/SATA bottlenecks.
2. Its sequential read performance enables much faster movement of large datasets, reducing wait times for backup restores, media processing, and AI model loading in enterprise servers.
3. Strong random read capability allows the SSD to sustain heavy small-block access patterns, which is critical for OLTP databases, VDI boot storms, and high-concurrency cloud workloads.
4. With enterprise-grade TLC V-NAND and a 1 DWPD endurance profile, it offers a balanced mix of density, reliability, and write tolerance for mainstream mixed-use deployments running every day of the warranty period.
5. The low typical latency helps applications respond more consistently under load, improving QoS for latency-sensitive services such as real-time transaction processing and scale-out caching.

Capacity Sweet

Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB The 1.92 TB option sits at the sweet spot of this series. Compared with the 960 GB model, it gives much better headroom for OS images, logs, hot data, and future growth, reducing early capacity pressure in mixed enterprise workloads. Compared with the 3.84 TB model, it usually delivers a more attractive cost profile while maintaining essentially the same enterprise-class sequential throughput and random IOPS behavior. It is a strong fit for mid-scale virtualization, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.

FAQ