Samsung MZWLR7T6HALA 7.68 TB PM1733 PCIe Gen4 x4 U.2 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	7.68 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 92-layer 3D TLC
Drive Writes Per Day	1
Total Bytes Written	14016 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	135000
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	MZWLJ7T6HALA

Engineer's Note

Compared with the previous-generation MZWLJ7T6HALA, the MZWLR7T6HALA PM1733 advances to PCIe Gen4 x4 and Samsung 5th-Gen 92-layer V-NAND, delivering up to 7,000/3,800 MB/s and 1,450,000/135,000 IOPS for a clear step-up in bandwidth and transaction throughput. At 7.68 TB with 1 DWPD and 14,016 TBW, it is a strong fit for read-intensive virtualization, large-scale analytics, and content-serving tiers that need Gen4 performance without moving to a higher-endurance cost profile.

Endurance & Reliability

With an endurance rating of 14,016 TBW and 1 DWPD, the MZWLR7T6HALA is designed to handle writing its full capacity once per day throughout its rated service life, making it well suited for sustained enterprise workloads. In typical server or system-disk scenarios, this level of endurance provides long-term headroom and can comfortably support many years of stable operation without endurance becoming a practical concern. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving operational resilience. Its UBER of 1.0E-17, together with a 2 million hour MTBF, reflects a very low unrecoverable bit error rate and strong overall reliability, giving procurement teams confidence for business-critical deployments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface, paired with class-leading sequential throughput, removes storage as a bottleneck for data-intensive workloads such as AI model staging, large-scale analytics, and high-speed backup windows.
2. Its exceptional random-read capability enables databases, virtualized environments, and metadata-heavy applications to sustain massive transaction concurrency with consistently fast response under pressure.
3. A 1 DWPD endurance profile makes it a strong fit for mixed-use enterprise deployments, providing predictable lifespan and lower replacement risk in always-on server environments.
4. Samsung’s 5th-generation 92-layer 3D TLC V-NAND balances density, power efficiency, and durability, helping enterprises scale capacity economically without compromising reliability.
5. The very low typical latency improves application responsiveness and QoS consistency, which is especially valuable for real-time analytics, OLTP systems, and latency-sensitive cloud services.

Capacity Sweet

Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB Capacity positioning analysis: In this SSD family, 7.68 TB sits at the sweet spot between the 3.84 TB and 15.36 TB options. Compared with 3.84 TB, it gives much more headroom for data growth, higher VM density, and longer refresh cycles without changing the expected enterprise-class sequential and random performance profile. Compared with 15.36 TB, it usually delivers a better balance of acquisition cost, usable capacity, and deployment flexibility. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 60 to 80 business workloads.

FAQ