Samsung MZWLJ7T6HALA 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	MZWLJ7T6HBLA

Engineer's Note

Compared with the earlier MZWLJ7T6HBLA, the Samsung PM1733 MZWLJ7T6HALA delivers a clear generational step forward with PCIe Gen4 x4 performance up to 7,000/3,800 MB/s and 1,450,000 random-read IOPS, enabling higher host bandwidth and better transaction density in the same U.2 enterprise footprint. Its 7.68 TB capacity, 1 DWPD endurance, and 14,016 TBW on Samsung 5th-Gen 92-layer V-NAND make it a strong fit for virtualization clusters, scale-out databases, and read-heavy analytics platforms that need to maximize throughput per drive without moving to a higher-endurance tier.

Endurance & Reliability

With an endurance rating of 14,016 TBW and 1 DWPD, the MZWLJ7T6HALA is built to sustain heavy, continuous write workloads across its service life. In practical terms, this level of endurance is more than sufficient for typical enterprise system, boot, and mixed-use deployments, giving buyers confidence in long-term operation without premature wear concerns. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption or downtime. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low uncorrectable bit error rate and strong overall dependability, supporting data integrity expectations in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 x4 host interface, paired with top-tier sequential read bandwidth, enables much faster dataset staging, VM boot storms, and large database scan operations in performance-sensitive enterprise servers.
2. Its exceptionally strong random read capability is ideal for metadata-heavy workloads such as OLTP databases, virtualization clusters, and high-concurrency cloud platforms where millions of small requests must be served without bottlenecks.
3. The 1 DWPD endurance profile makes it a solid fit for mixed-read enterprise deployments that require predictable lifespan and lower replacement risk under sustained daily write activity.
4. Samsung’s 5th-generation 92-layer 3D TLC V-NAND balances density, power efficiency, and reliability, helping data centers scale capacity without sacrificing consistent enterprise-class performance.
5. The typical latency characteristic supports faster application response times and tighter QoS control, which is especially valuable for real-time analytics, transactional systems, and latency-sensitive virtualized workloads.

Capacity Sweet

Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB Capacity positioning analysis: Within this enterprise SSD family, 7.68 TB is the practical sweet spot. Compared with 3.84 TB, it gives much better headroom for data growth, denser server configurations, and longer refresh cycles without changing the performance profile. Compared with 15.36 TB, it usually delivers a more attractive cost-per-drive while avoiding unnecessary overprovisioning for mid-scale deployments. That makes 7.68 TB a strong balance of capacity, cost, and enterprise-grade consistency, especially for clusters supporting around 40–60 mixed virtualized application and database workloads per storage node.

FAQ