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| Brand | Samsung |
|---|---|
| Model | PM1733 |
| Capacity | 7.68 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen4 x4 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | U.2 (2.5") |
|---|
| NAND Flash | Samsung V-NAND 5th-Gen 92-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 TBW |
| Sequential Read | 7000 MB/s |
|---|---|
| Sequential Write | 3800 MB/s |
| Random Read IOPS | 1450000 |
| Random Write IOPS | 135000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZWLJ7T6HALA |
|---|
Compared with the earlier MZWLJ7T6HALA, the MZ-WLJ7T60 PM1733 advances to Samsung 5th-Gen 92-layer V-NAND and a PCIe Gen4 x4 interface, delivering up to 7,000 MB/s sequential read and 1.45M random-read IOPS for a clear generational gain in bandwidth and transaction density. At 7.68 TB with 1 DWPD and 14,016 TBW, it is a strong fit for latency-sensitive virtualization clusters, scale-out databases, and mixed enterprise workloads that need higher read performance without sacrificing enterprise endurance.
With an endurance rating of 14,016 TBW, this SSD is designed to handle approximately 14 petabytes of total writes, which is far beyond the write volume of a typical OS, boot, or mainstream enterprise application drive. In practical terms, under normal system-disk or read-intensive server workloads, buyers can expect long service life with ample endurance headroom rather than worrying about write wear becoming a near-term limitation. Its built-in power loss protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving operational stability in enterprise environments. An UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates enterprise-class data integrity and reliability, giving procurement teams confidence in consistent performance and dependable long-term operation.
1. The PCIe Gen4 x4 interface, paired with up to 7000 MB/s sequential read throughput, accelerates large dataset movement and cuts application, VM, and analytics job startup times in dense enterprise servers.
2. With 1,450,000 K IOPS random read performance, this SSD sustains extremely high transaction concurrency, helping databases and virtualized platforms respond faster under mixed and bursty workloads.
3. A 1 DWPD endurance rating gives IT teams the confidence to run consistent daily full-drive rewrites throughout the service life, making it well suited for read-centric enterprise deployments with predictable write demands.
4. Samsung V-NAND 5th-Gen 92-layer 3D TLC provides a strong balance of capacity, power efficiency, and cost, enabling scalable enterprise storage without sacrificing the reliability expected in always-on environments.
5. A typical latency of 85 µs helps reduce storage wait time at the microsecond level, improving QoS consistency for latency-sensitive applications such as OLTP, real-time analytics, and high-density virtualization.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB At 7.68 TB, MZ-WLJ7T60 sits in the sweet spot of the family. Compared with 3.84 TB, it gives materially better headroom for data growth, overprovisioning, and mixed-workload consolidation without changing the expected enterprise-class read, write, or random IOPS profile. Compared with 15.36 TB, it usually delivers the best balance of usable capacity, acquisition cost, and fleet-wide deployment efficiency, while avoiding overbuying flash. It is well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 60 to 90 business VMs.
Q: Is MZ-WLJ7T60 suitable for a write-heavy database server?
A: MZ-WLJ7T60 can support database workloads, but with 1 DWPD it is better suited for mixed-use or read-intensive environments rather than extremely write-heavy, high-transaction database servers.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1 DWPD, meaning it can sustain one full 7.68 TB drive write per day throughout its warranty period, aligned with its 14,016 TBW endurance rating.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and metadata during unexpected outages, which is critical for maintaining data integrity and reducing corruption risk.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in business-critical environments, as it balances performance, redundancy, and rebuild safety better than RAID 0 or parity-based RAID configurations.