Samsung MZWLR1T9HCJR 1.92 TB PM1733A PCIe Gen4 x4 U.2 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733A
Capacity	1.92 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 6th-Gen 128-layer 3D 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	800000
Random Write IOPS	100000
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	MZWLR1T9HCJR-00007

Engineer's Note

Compared with MZWLR1T9HCJR-00007, the Samsung PM1733A MZWLR1T9HCJR advances to a PCIe Gen4 x4 architecture with 6th-Gen 128-layer V-NAND, delivering up to 7,000 MB/s sequential read and 800,000 random-read IOPS in the same 1.92 TB, 1 DWPD enterprise class. This makes it a stronger fit than prior-generation mixed-use SSDs for read-intensive virtualization, scale-out storage, and analytics tiers, where its 3,504 TBW endurance and markedly higher front-end bandwidth translate into better consolidation efficiency and lower latency under parallel workloads.

Endurance & Reliability

With an endurance rating of 3504 TBW, the MZWLR1T9HCJR is designed to handle approximately 3.5 petabytes of total data writes over its service life, which is equivalent to about one full drive write per day under its 1 DWPD rating. In typical enterprise or mixed read/write workloads, this provides ample margin for long-term use as a boot drive, application drive, or general server storage without endurance concerns. For enterprise reliability, power-loss protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving operational safety. Its UBER rating of 1.0E-17 means an extremely low probability of unrecoverable bit errors, supporting high data integrity and giving procurement teams added confidence for business-critical deployments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface unlocks host bandwidth that keeps modern virtualization, analytics, and AI servers fed with data instead of waiting on storage.
2. Its sequential read performance accelerates large-block workloads such as database backup recovery, media streaming, and model or image loading across enterprise platforms.
3. Strong random read capability helps transactional databases, VM farms, and metadata-heavy applications sustain high user concurrency with faster response under mixed demand.
4. A typical latency of just 85 µs reduces storage wait time for latency-sensitive services, improving application responsiveness and helping tight SLA targets stay on track.
5. Built with Samsung 6th-Gen 128-layer 3D TLC V-NAND and rated for 1 DWPD, it balances enterprise-grade density with dependable day-after-day write endurance for read-centric cloud and data center deployments.

Capacity Sweet

Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: In this enterprise SSD family, 1.92 TB sits at the practical sweet spot. Compared with the 960 GB model, it gives much better headroom for OS images, application growth, logs, and overprovisioning, reducing early capacity pressure in always-on environments. Compared with the 3.84 TB option, it usually delivers a more attractive cost profile while maintaining essentially the same mainstream enterprise read/write and random IOPS behavior. It is well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 virtual machines.

FAQ