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| Brand | Samsung |
|---|---|
| Model | SZ1735 |
| Capacity | 1.6 TB |
| Usage Class | Ultra-Low Latency / High Endurance |
| Host Interface | PCIe Gen4 x4 |
|---|---|
| Total Interface Bandwidth | 16 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung Z-NAND SLC |
|---|---|
| Drive Writes Per Day | 30 |
| Total Bytes Written | 87600 TBW |
| Sequential Read | 5700 MB/s |
|---|---|
| Sequential Write | 3600 MB/s |
| Random Read IOPS | 1000000 |
| Random Write IOPS | 250000 |
| Average Latency | 30 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ1L2960HCJR-00B7C |
|---|
Compared with the previous-generation MZ1L2960HCJR-00B7C, the Samsung SZ1735 (MZWJJ1T6HMGG-000M3) advances to a PCIe Gen4 x4 platform with Samsung Z-NAND SLC, delivering up to 5,700/3,600 MB/s and 1,000,000/250,000 IOPS for materially lower latency and higher transaction throughput in write-intensive enterprise workloads. Its standout value is the combination of ultra-high endurance—30 DWPD and 87,600 TBW at 1.6 TB—with Gen4-class performance, making it a stronger choice than the prior generation for journals, metadata tiers, HFT/cache acceleration, and other mission-critical mixed-random I/O environments where sustained responsiveness and drive longevity matter most.
With an endurance rating of 87,600 TBW and 30 DWPD, this SSD is built for extremely write-intensive enterprise workloads and can sustain full-drive writes many times per day throughout its service life. In typical server use, this level of endurance provides very large headroom, making it more than sufficient for long-term deployment as a system drive or for demanding cache, logging, and high-transaction applications. This model also includes enterprise-grade reliability features such as power-loss protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is suddenly interrupted. Combined with an UBER of 1.0E-17 and a 2 million hour MTBF, it is designed to deliver very low uncorrectable error rates and dependable operation in business-critical environments.
1. The PCIe Gen4 x4 interface gives this drive the bandwidth headroom to keep modern database, virtualization, and analytics platforms fed without the storage bus becoming the bottleneck.
2. Its class-leading sequential read performance sharply reduces large-block data access times, accelerating checkpoint restores, dataset loading, and high-speed content streaming in enterprise servers.
3. The exceptional random read capability enables ultra-fast access to small scattered data, which is critical for OLTP databases, metadata-heavy workloads, and large-scale VM consolidation.
4. With an endurance rating built for extremely write-intensive duty cycles, this SSD is well suited for logging, cache, and high-frequency transaction environments where sustained reliability directly protects uptime.
5. Samsung Z-NAND SLC, paired with ultra-low typical latency, delivers consistently fast response under heavy load, making it ideal for latency-sensitive applications such as real-time trading, in-memory acceleration, and high-performance storage tiers.
Lower capacity reference: 800 GB Higher capacity reference: 3.2 TB Capacity positioning analysis: Within this SSD family, the 1.6 TB model sits in the practical sweet spot. Compared with the 800 GB version, it offers much better headroom for OS growth, hot data, logs, and overprovisioning-sensitive enterprise workloads, reducing early capacity pressure. Compared with the 3.2 TB option, it preserves nearly the same enterprise-class throughput and IOPS profile while delivering a more attractive cost-to-performance balance and easier fleet standardization. It is especially well suited for mid-scale virtualization or database clusters, such as hosting boot and application volumes for about 40 to 60 business service instances.
Q: Is MZWJJ1T6HMGG-000M3 suitable for a write-heavy database server?
A: Yes. With 30 DWPD, 87,600 TBW, Samsung Z-NAND SLC, and typical 30 µs latency, this SSD is well suited for write-intensive database, logging, caching, and high-frequency transaction workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 30 full drive writes per day. For a 1.6 TB capacity, that equals about 48 TB of writes daily across the supported warranty endurance window.
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, reducing corruption risk and improving data integrity for enterprise and database environments.
Q: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 10 is typically recommended because it balances performance, low latency, and redundancy. For read-focused environments, RAID 5 or 6 may also be considered if write penalties are acceptable.