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| Brand | Samsung |
|---|---|
| Model | PM963 |
| Capacity | 1.92 TB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | PCIe 3.0 x4, NVMe 1.2 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | M.2 (22110) |
|---|
| NAND Flash | Samsung V3 (48L) TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 2733 TBW |
| Sequential Read | 2100 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 | MZ1LV1T9HCHP |
|---|
The Samsung PM963 1.92TB (MZ1LW1T9HMLS-00003) combines PCIe 3.0 x4 / NVMe 1.2 with Samsung V3 48-layer TLC to deliver up to 2100/1200 MB/s and 430K/40K IOPS, making it a strong fit for read-centric virtualization, scale-out storage, and high-density cloud boot volumes where latency consistency and rack-level capacity matter. Compared with the previous-generation MZ1LV1T9HCHP, this MPN brings a newer 48-layer V-NAND platform and a better balance of performance density and endurance, sustaining enterprise duty cycles at 1.3 DWPD and 2733 TBW with more modern NVMe efficiency.
With an endurance rating of 2733 TBW and 1.3 DWPD, the MZ1LW1T9HMLS-00003 is designed to sustain substantial daily write activity throughout its service life, making it well suited for always-on enterprise and data-intensive workloads. In typical real-world use, this level of endurance is more than sufficient for long-term deployment as a stable system or boot drive, and for many standard server workloads it can operate for years without endurance becoming a 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 integrity. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data reliability for business-critical environments, while the 2 million hour MTBF further reflects strong overall design robustness.
1. The PCIe 3.0 x4 interface with NVMe 1.2 enables a low-overhead data path that helps enterprise servers respond faster under virtualization, database, and mixed read-intensive workloads.
2. With sequential read performance up to 2100 MB/s, this drive accelerates large-file access, reducing wait time for analytics datasets, backups, and media-rich enterprise applications.
3. Its random read capability of 430,000 K IOPS supports highly concurrent transactions, making it well suited for latency-sensitive OLTP systems, VDI boot storms, and metadata-heavy workloads.
4. Rated at 1.3 DWPD, the drive provides the write endurance needed for always-on business environments where predictable lifespan and lower replacement frequency matter.
5. Built on Samsung V3 (48L) TLC NAND and tuned for a typical latency of 85 µs, it balances cost efficiency with consistently fast access times for cloud platforms and scale-out enterprise storage.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB In this series, the 1.92 TB model is the practical sweet spot. Compared with the 960 GB version, it gives much better headroom for OS growth, log files, application updates, and short-term workload spikes, reducing early capacity pressure. Compared with the 3.84 TB option, it usually delivers the best balance of acquisition cost, usable capacity, and enterprise-grade performance consistency, since sequential throughput and random IOPS remain broadly similar across capacities. It is well suited for mid-scale virtualization clusters, such as shared boot and application storage for about 40 to 60 business VMs.
Q: Is MZ1LW1T9HMLS-00003 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads. With 1.3 DWPD, 2733 TBW endurance, TLC NAND, and 85 µs typical latency, it is well suited for enterprise write-heavy applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 full drive writes per day over its warranty period. For a 1.92 TB SSD, that equals about 2.5 TB of writes daily within specification.
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 preventing corruption and maintaining consistency in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on your priority. RAID 1 or RAID 10 is generally recommended for database and enterprise workloads, offering strong redundancy, solid performance, and faster rebuilds than parity RAID.