Samsung MZWLR1T9HBJR-0007C 1.92 TB PM1733 PCIe Gen4 x4 U.2 (2.5") 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	64 Gb/s

Physical Dimension

Form Factor	U.2 (2.5")

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	7000 MB/s
Sequential Write	3500 MB/s
Random Read IOPS	1400000
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-WLR3T80

Engineer's Note

Compared with the previous-generation MZ-WLR3T80, the Samsung PM1733 MZWLR1T9HBJR-0007C advances to a PCIe Gen4 x4 platform with 5th-Gen Samsung V-NAND TLC, delivering up to 7,000/3,500 MB/s and 1.4M/100K IOPS for materially faster host response in latency-sensitive enterprise workloads. At 1.92 TB with 1 DWPD and 3,504 TBW, it offers a strong balance of endurance, bandwidth, and read-heavy transactional performance, making it a compelling upgrade for virtualization clusters, scale-out databases, and high-throughput analytics nodes.

Endurance & Reliability

With an endurance rating of 3504 TBW and 1 DWPD, the MZWLR1T9HBJR-0007C is designed to handle the equivalent of writing its full capacity once per day throughout its rated service life, which is more than sufficient for typical enterprise OS, boot, and mixed read/write application workloads. In practical terms, for common system-disk or infrastructure use, this level of endurance supports many years of stable operation with substantial write headroom, making it a low-risk choice for long-term deployment. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protect metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity expectations in business-critical environments, while the 2 million hour MTBF further reflects a design optimized for dependable continuous operation.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface, paired with top-tier sequential throughput, enables ultra-fast data streaming that shortens backup windows, speeds up analytics scans, and reduces application load times in enterprise servers.
2. Its exceptionally strong random read performance is built for highly concurrent workloads such as large-scale virtualization, OLTP databases, and AI inference, where fast access to massive numbers of small data blocks is critical.
3. A 1 DWPD endurance profile makes it a dependable fit for mixed-use enterprise environments, giving IT teams predictable lifespan and lower replacement risk under sustained daily write activity.
4. Samsung’s 5th-generation high-layer 3D TLC V-NAND delivers an effective balance of density, power efficiency, and reliability, helping data centers scale capacity without sacrificing consistent performance.
5. The very low typical latency supports faster transaction response and steadier QoS, which is especially valuable for latency-sensitive platforms like real-time databases, VDI, and high-frequency service workloads.

Capacity Sweet

Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: In this enterprise SSD family, the 1.92 TB model sits at the practical sweet spot. Compared with the 960 GB version, it gives much better headroom for OS images, application growth, logging, and overprovisioning flexibility, reducing early capacity pressure in production. Compared with the 3.84 TB model, it preserves essentially the same mainstream enterprise performance profile while keeping acquisition cost and deployment budget under tighter control. It is especially well suited for mid-scale virtualization clusters, such as shared boot and application storage for about 40 to 60 general-purpose virtual machines.

FAQ