| Brand | Samsung |
|---|---|
| Model | PM963 |
| Capacity | 960GB |
| Usage Class | Read Intensive / Data Center |
| Host Interface | PCIe Gen3 x4 NVMe |
|---|---|
| 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 | 1366 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 | MZQLV960HCJH |
|---|
MZQLW960HMJP-00003 (PM963) is a strong generational step over MZQLV960HCJH, pairing a PCIe Gen3 x4 NVMe interface with Samsung V-NAND TLC to deliver up to 2000/1200 MB/s and 430K/40K IOPS for noticeably faster response in virtualized, read-heavy, and mixed enterprise workloads. Its key advantage at 960GB is the balanced enterprise profile—1.3 DWPD and 1366 TBW—giving it a more durable performance envelope than the prior generation while maintaining the low-latency efficiency needed for scale-out server boot, caching, and cloud storage tiers.
With an endurance rating of 1366 TBW and 1.3 DWPD, the MZQLW960HMJP-00003 is built to handle sustained daily writes over its service life, making it well suited for typical enterprise boot, system, cache, and read-intensive application workloads. In practical terms, for many normal server OS and application-disk scenarios, this level of endurance provides many years of dependable operation without endurance becoming a concern. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low uncorrectable bit error rate and strong long-term operational reliability, giving procurement teams added confidence for business-critical deployments.
1. The PCIe Gen3 x4 NVMe architecture gives this drive low-overhead, high-parallelism host connectivity, making it well suited for virtualized servers, dense storage nodes, and latency-sensitive enterprise applications.
2. Its strong sequential read capability accelerates large-block data movement, helping databases, analytics platforms, and backup systems complete ingest and scan operations faster.
3. High random read performance enables rapid access to small scattered data sets, which is especially valuable for OLTP databases, VDI boot storms, and metadata-heavy cloud workloads.
4. With an enterprise endurance profile rated for sustained daily rewrites, the drive can handle mixed-use production environments without premature wear becoming an operational risk.
5. Samsung V-NAND TLC paired with very low typical latency delivers a balanced mix of flash density, predictable responsiveness, and efficient QoS for always-on business-critical workloads.
Lower capacity reference: 480GB Higher capacity reference: 1.92TB In this series, the 960GB model sits at the sweet spot for mainstream enterprise deployment. Compared with the 480GB version, it gives much more headroom for OS images, application binaries, logs, and growth buffers, reducing capacity pressure over the service lifecycle. Compared with the 1.92TB option, it delivers a more efficient balance of acquisition cost, usable capacity, and near-equivalent enterprise performance. It is especially well suited for medium-scale virtualization or container clusters, such as hosting boot and runtime storage for about 40 to 60 business application nodes.
Q: Is MZQLW960HMJP-00003 suitable for a write-heavy database server?
A: Yes, it is suitable for moderately write-heavy database workloads. With 1.3 DWPD, 1366 TBW, Samsung V-NAND TLC, and low 85 µs latency, it offers strong enterprise endurance and responsive performance.
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. For a 960GB SSD, that equals about 1.25TB of writes daily across the official 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 sudden outages, which is critical for preventing corruption and maintaining enterprise data integrity.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 is ideal for redundancy, RAID 10 for performance plus protection, and RAID 5/6 for capacity-efficient enterprise storage.