Samsung MZ-WLR7T6C 7.68 TB PM1733A PCIe Gen4 x4 E1.S 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	E1.S

Flash & Endurance

NAND Flash	Samsung V-NAND 6th-Gen 128-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	165000
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

The MZ-WLR7T6C (PM1733A) is a strong choice for latency-sensitive virtualization, scale-out databases, and read-heavy analytics tiers, combining 7.68 TB of Samsung 6th-Gen 128-layer 3D TLC with PCIe Gen4 x4 performance up to 7,000/3,800 MB/s and 1,450,000/165,000 IOPS under a 1 DWPD endurance profile. Compared with the previous MZWLJ7T6HALA, this generation brings a newer V-NAND platform and Gen4-class throughput, giving architects a clear upgrade path to higher host bandwidth and stronger random-read capability without moving out of the mainstream mixed-use enterprise SSD tier.

Endurance & Reliability

With an endurance rating of 14,016 TBW and 1 DWPD, the MZ-WLR7T6C is built to handle writing its full usable capacity once every day across the warranty period, which is more than sufficient for typical enterprise system, boot, caching, and mixed-read workloads. In practical terms, this level of endurance means buyers can expect long, stable service life under normal data center usage, with ample write headroom for years of operation. Its enterprise reliability is reinforced by power-loss protection (PLP), which helps preserve in-flight data and prevent metadata corruption if power is suddenly interrupted, reducing the risk of downtime and recovery events. An UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity for business-critical environments, while the 2 million hour MTBF further reflects strong long-term operational reliability.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface provides the bandwidth headroom needed to keep enterprise servers, virtualization clusters, and scale-out storage nodes fed without creating a bus bottleneck.
2. With sequential read performance of 7000 MB/s, the drive accelerates large-block workloads such as database snapshots, analytics scans, and rapid dataset loading for AI and HPC environments.
3. Delivering 1,450,000 K IOPS in random reads, it is well suited for latency-sensitive mixed-user applications like OLTP databases, VDI boot storms, and metadata-heavy cloud platforms.
4. A 1 DWPD endurance rating, paired with Samsung V-NAND 6th-Gen 128-layer 3D TLC, gives enterprises a balanced profile of write durability, flash density, and cost efficiency for always-on production deployments.
5. A typical latency of 85 µs helps reduce storage response time at the microsecond level, improving application consistency for transactional systems and real-time service workloads.

Capacity Sweet

Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB At 7.68 TB, the MZ-WLR7T6C sits at the sweet spot of the family. Compared with the 3.84 TB model, it gives meaningfully more headroom for VM growth, log expansion, and dataset consolidation, reducing the need for early drive replacement. Compared with the 15.36 TB option, it preserves nearly the same enterprise-class throughput and IOPS while delivering a better balance of acquisition cost, usable capacity, and slot efficiency. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and general-purpose storage for about 60 to 80 mixed-workload virtual machines.

FAQ