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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 | U.2 (2.5 inch 7mm) |
|---|
| 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 | MZQLV1T9HCJM |
|---|
The Samsung PM963 MZQLW1T9HMJP delivers a well-balanced 1.92 TB enterprise NVMe profile with up to 2100/1200 MB/s sequential performance, 430,000/40,000 IOPS, and 2,733 TBW endurance, making it a strong choice for read-centric virtualization clusters, cloud boot volumes, and scale-out storage nodes. Compared with the previous MZQLV1T9HCJM, this revision benefits from Samsung V3 48-layer TLC NAND and a stronger read-optimized performance-to-endurance balance in the same PCIe 3.0 x4 class, giving architects better density and more durable service life for mixed enterprise workloads.
With an endurance rating of 2,733 TBW and 1.3 DWPD, the MZQLW1T9HMJP is built to handle sustained daily write activity over its service life, making it well suited for typical enterprise boot, OS, caching, and mixed-read/write workloads. In practical terms, for a system-drive role or other conventional server usage, this level of endurance provides long-term headroom and can support many years of stable operation without concern over normal write wear. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of uncorrectable bit errors and supports the high data integrity and operational dependability expected in data center environments.
1. The NVMe drive design over a mainstream PCIe host link gives enterprise servers enough bandwidth to eliminate storage bus bottlenecks in virtualization, boot, and general-purpose compute nodes.
2. Its strong sequential read capability speeds up backup recovery, large file access, and data-lake scans, helping applications reach usable data faster.
3. High random-read performance keeps OLTP databases, VDI fleets, and metadata-heavy platforms responsive even under heavy parallel request loads.
4. A mixed-use endurance profile enables consistent day-after-day rewrites, making it well suited for virtualized infrastructure, logging, and read-intensive transactional workloads.
5. Samsung’s enterprise TLC V-NAND, combined with low typical latency, delivers a cost-efficient balance of capacity, responsiveness, and dependable around-the-clock datacenter operation.
Lower capacity: 960 GB Higher capacity: 3.84 TB The 1.92 TB option sits at the sweet spot in this SSD family. Compared with the 960 GB model, it gives much better headroom for OS images, logs, hot data, and future growth, reducing the risk of early capacity pressure. Compared with the 3.84 TB version, it keeps acquisition cost and $/workload more controlled while delivering broadly similar enterprise-class sequential and random performance. This makes 1.92 TB a balanced choice for mid-scale deployments, such as a 6 to 10-node virtualization cluster or a compact high-transaction database tier.
Q: Is MZQLW1T9HMJP suitable for a write-heavy database server?
A: MZQLW1T9HMJP can support mixed and moderately write-intensive database workloads, thanks to its 1.3 DWPD endurance and 2733 TBW. For extremely write-heavy enterprise databases, a higher-endurance SSD may be preferable.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 DWPD, meaning it can sustain about 1.3 full-drive writes per day over its warranty period. With 1.92 TB capacity, that equals roughly 2.5 TB writes daily.
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, consistency, and reducing corruption risk in enterprise environments.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 suits redundancy, RAID 10 is ideal for performance and fault tolerance, and RAID 5/6 may work for capacity-focused environments.