Samsung MZWLO7T6HBLA-00A07 7.68 TB PM1743 PCIe Gen5 x4 U.3 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1743
Capacity	7.68 TB
Usage Class	Read Intensive

Interface

Host Interface	PCIe Gen5 x4
Total Interface Bandwidth	128 Gb/s

Physical Dimension

Form Factor	U.3 (2.5")

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	14000 MB/s
Sequential Write	7100 MB/s
Random Read IOPS	2500000
Random Write IOPS	250000
Average Latency	80 μs

Reliability

Mean Time Between Failures	2.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZWLO7T6HBLA

Engineer's Note

The Samsung PM1743 7.68TB (MPN MZWLO7T6HBLA-00A07) stands out in the mainstream enterprise tier by pairing PCIe Gen5 x4 bandwidth with up to 14,000/7,100 MB/s and 2,500,000/250,000 IOPS, giving database, virtualization, and mixed read-heavy analytics clusters a clear throughput and latency advantage over typical Gen4 TLC SSDs. Compared with the earlier MZWLO7T6HBLA revision, this -00A07 variant represents the later PM1743 production build for lifecycle-controlled deployments, preserving the same 14,016 TBW endurance and 1 DWPD profile while offering a more deployment-ready choice for standardized server qualification.

Endurance & Reliability

The endurance rating of 14,016 TBW, equivalent to 1 DWPD, means this 7.68 TB SSD can be fully written once per day for five years while remaining within its designed write life. In typical operating-system, virtualization, or read-heavy enterprise workloads, that is comfortably more than enough for long-term deployment, including use as a system or application drive with many years of headroom. Enterprise reliability is further strengthened by power-loss protection (PLP), which preserves in-flight data and metadata during an unexpected outage, reducing the risk of corruption and unplanned recovery events. Its ultra-low UBER of 1.0E-17, together with a 2.5 million-hour MTBF, reflects a class of drive designed for highly dependable data integrity and stable operation in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen5 x4 interface provides the host bandwidth needed to keep modern GPU servers, real-time analytics platforms, and high-density virtualized workloads fed without storage-side bottlenecks.
2. With up to 14000 MB/s sequential read performance, this SSD accelerates large dataset scans, checkpoint loading, and backup restore operations to shorten time-to-insight in enterprise environments.
3. Delivering 2,500,000 K IOPS in random reads, it is built for latency-sensitive databases and large-scale cloud platforms where massive concurrency and fast metadata access directly improve application responsiveness.
4. Rated at 1 DWPD, the drive offers a balanced endurance profile for read-heavy enterprise deployments, helping operators sustain predictable service life under daily production writes.
5. Built on Samsung V-NAND 6th-Gen 128-layer 3D TLC and tuned for a typical latency of 80 µs, it combines high-density flash efficiency with consistently fast access times for business-critical workloads.

Capacity Sweet

Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB At 7.68 TB, this SSD sits in the sweet spot of the series. Compared with the 3.84 TB model, it gives meaningfully more headroom for data growth, denser VM placement, and longer refresh cycles without changing the expected enterprise-class sequential throughput or random IOPS profile. Compared with the 15.36 TB option, it typically delivers a better cost-to-capacity balance while avoiding overprovisioning in mid-scale deployments. It is especially well suited for a virtualization cluster, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.

FAQ