Samsung MZWLR7T6HBLA-00AD3 7.68 TB PM1733a PCIe Gen4 x4 U.3 (2.5) Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733a
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.3 (2.5)

Flash & Endurance

NAND Flash	Samsung V-NAND 6th-Gen 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	165000
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	MZWLR7T6HALA-00007

Engineer's Note

Compared with predecessor MZWLR7T6HALA-00007, the Samsung PM1733a (MZWLR7T6HBLA-00AD3) advances to a PCIe Gen4 x4 platform with Samsung 6th-Gen V-NAND TLC, delivering up to 7,000/3,800 MB/s and 1,450,000/165,000 IOPS for clearly higher throughput and transaction density in the same 7.68 TB class. Its standout value is combining that performance with enterprise-ready endurance at 1 DWPD and 14,016 TBW, making it a strong recommendation for virtualization clusters, high-concurrency OLTP, and read-intensive analytics where consistent latency and rack-level storage efficiency matter more than peak write endurance.

Endurance & Reliability

With an endurance rating of 14,016 TBW and 1 DWPD, the MZWLR7T6HBLA-00AD3 is built to sustain heavy daily write activity across its service life, making it well suited for demanding enterprise workloads. In typical use, this level of endurance means it can easily serve as a system or application drive for many years without concern, while also providing ample margin for write-intensive environments. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17, together with a 2 million hour MTBF, reflects a very low probability of uncorrectable bit errors and a high dependability level expected in business-critical storage deployments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface, paired with top-tier sequential bandwidth, keeps data pipelines saturated so AI model loading, checkpoint restores, and large-scale analytics complete noticeably faster.
2. Its class-leading random read capability accelerates heavily parallel workloads such as virtualized databases, metadata services, and high-concurrency cloud platforms.
3. A 1 DWPD endurance profile makes it well suited for mixed-use enterprise deployments that need predictable lifespan under daily rewrites without overpaying for ultra-write-intensive media.
4. Samsung’s 6th-Gen V-NAND TLC delivers an effective balance of density, power efficiency, and sustained performance, helping enterprises scale storage capacity while controlling rack-level operating costs.
5. The low typical latency supports consistently fast response times for transaction processing, real-time inference, and latency-sensitive applications where tail performance directly impacts service quality.

Capacity Sweet

Lower capacity: 3.84 TB Higher capacity: 15.36 TB The 7.68 TB model sits at the sweet spot of this SSD family. Compared with the 3.84 TB version, it gives materially more headroom for growth, better consolidation density, and fewer capacity-driven drive swaps during expansion. Compared with the 15.36 TB option, it usually delivers the best balance of acquisition cost, usable performance, and storage efficiency without overcommitting budget to capacity that may remain idle. In practice, 7.68 TB is a strong fit for mid-scale virtualization clusters, mixed database workloads, or a 12 to 16 node hyperconverged deployment.

FAQ