Samsung MZWLJ1T9HBJR 1.92 TB PM1733 PCIe Gen4 x4 U.2 Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	1.92 TB
Usage Class	Read Intensive

Interface

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

Physical Dimension

Form Factor	U.2

Flash & Endurance

NAND Flash	Samsung V-NAND 5th-Gen 9x-Layer 3D TLC
Drive Writes Per Day	1
Total Bytes Written	3504 TBW

Performance

Sequential Read	6400 MB/s
Sequential Write	2100 MB/s
Random Read IOPS	900000
Random Write IOPS	115000
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	MZWLJ1T9HBJR-00AAZ

Engineer's Note

The Samsung PM1733 MZWLJ1T9HBJR is a strong fit for latency-sensitive virtualization, OLTP, and read-heavy analytics nodes, combining PCIe Gen4 x4 bandwidth with up to 6,400/2,100 MB/s throughput, 900,000/115,000 IOPS, and 3,504 TBW in a 1.92 TB, 1-DWPD enterprise SSD. Compared with the earlier MZWLJ1T9HBJR-00AAZ revision, this MPN stands out as the more deployment-ready Gen4 choice, leveraging Samsung 5th-Gen 9x-Layer V-NAND TLC to deliver higher host-side performance headroom and better platform alignment for modern servers in the same capacity class.

Endurance & Reliability

With 3504 TBW endurance and a 1 DWPD rating, the MZWLJ1T9HBJR is designed to handle writing its full capacity once per day under normal enterprise use, which is a strong endurance level for a 1.92TB-class SSD. In typical read-heavy or mixed workloads such as OS, boot, virtualization, or general server storage, this means the drive can be used with confidence for many years, and as a system drive it can comfortably support long-term operation. Its power loss protection (PLP) helps preserve in-flight data during an unexpected power outage, reducing the risk of corruption and improving system integrity in enterprise environments. The 1.0E-17 UBER rating indicates an extremely low probability of unrecoverable bit errors, which supports high data reliability for business-critical applications.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface gives this drive the bandwidth headroom needed to keep modern virtualization hosts and database servers fed without the storage link becoming the bottleneck.
2. With sequential read performance up to 6400 MB/s, the SSD accelerates large-block workloads such as analytics scans, media streaming, and dataset loading for AI and HPC environments.
3. Delivering 900,000K random read IOPS with a typical latency of 95 µs, it supports highly responsive transaction processing and fast metadata access in latency-sensitive enterprise applications.
4. The 1 DWPD endurance rating makes it a strong fit for read-centric and mixed-use deployments that need predictable lifespan under continuous daily production writes.
5. Built on Samsung V-NAND 5th-Gen 9x-Layer 3D TLC, the drive balances enterprise-grade density, power efficiency, and cost effectiveness for scaling capacity across data center fleets.

Capacity Sweet

Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB At 1.92 TB, this model sits in the sweet spot of the series. Compared with the 960 GB version, it gives meaningfully more headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure in always-on enterprise workloads. Compared with the 3.84 TB option, it typically delivers a better balance of acquisition cost, usable capacity, and enterprise-grade performance consistency, since sequential throughput and random IOPS remain broadly similar across the family. It is well suited for mid-sized virtualization clusters, such as hosting boot and primary data volumes for about 40 to 60 business application VMs.

FAQ