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| Brand | Samsung |
|---|---|
| Model | PM963 |
| Capacity | 1.92 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | PCIe Gen3 x4, NVMe 1.2 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 2733 TBW |
| Sequential Read | 2000 MB/s |
|---|---|
| Sequential Write | 1200 MB/s |
| Random Read IOPS | 430000 |
| Random Write IOPS | 40000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-1LV1T90 |
|---|
Compared with MZ-1LV1T90, the PM963 MZ-1LW1T90 stands out as a next-generation 1.92TB PCIe Gen3 x4 NVMe SSD that combines Samsung V-NAND TLC with 1.3 DWPD and 2733 TBW, delivering enterprise-grade endurance for sustained mixed workloads. Its 2000/1200 MB/s throughput and 430K/40K random IOPS make it a stronger choice for virtualization, OLTP databases, and latency-sensitive storage tiers where capacity density and consistent performance matter most.
With an endurance rating of 2733 TBW and 1.3 DWPD, the MZ-1LW1T90 is built to handle sustained daily writes over a long service life, making it well suited for typical enterprise workloads as well as OS and application drive usage. In practical terms, under normal system-disk or mixed business workloads, this level of endurance provides strong long-term write headroom and can support many years of stable operation without endurance-related concern. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery confidence. Its UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of unrecoverable bit errors and strong overall dependability for business-critical storage environments.
1. The PCIe Gen3 x4 NVMe design removes legacy storage bottlenecks, enabling faster VM provisioning, quicker database scans, and better host-side parallelism in dense enterprise servers.
2. Its strong sequential read performance helps shorten backup, restore, indexing, and large-file ingestion windows, improving throughput for data-heavy business operations.
3. The drive’s high random read capability is well suited for metadata-intensive workloads such as OLTP databases, virtualization clusters, and VDI environments that demand fast access at scale.
4. Built with Samsung V-NAND TLC and a mixed-use endurance profile, it offers a practical balance of capacity efficiency and write tolerance for everyday enterprise workloads rather than niche write-heavy deployments.
5. With microsecond-class typical latency, the SSD helps reduce tail-response time and keeps customer-facing applications more consistent during peak transaction periods.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB In this SSD family, the 1.92 TB model sits at the sweet spot for mainstream enterprise deployments. Compared with the 960 GB version, it gives much better headroom for OS images, application growth, logs, and overprovisioning, reducing early capacity pressure. Compared with the 3.84 TB option, it usually delivers the best balance of acquisition cost, usable capacity, and performance consistency for standard server workloads. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and primary data volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ-1LW1T90 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 2733 TBW, Samsung V-NAND TLC, and low 85 µs typical latency, the MZ-1LW1T90 is suitable for mixed to moderately write-heavy database server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 drive writes per day. For a 1.92 TB capacity, that equals about 2.5 TB of writes per day across its warranty period.
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 mapping tables during unexpected outages, which is critical for data integrity, consistency, and enterprise application reliability.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on your goal. For database and virtualization use, RAID 10 is commonly recommended for the best balance of performance, redundancy, and rebuild reliability with enterprise NVMe SSDs.