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| Brand | Samsung |
|---|---|
| Model | SM963 |
| Capacity | 960 GB |
| Usage Class | Mixed Use |
| Host Interface | PCIe Gen3 x4 |
|---|---|
| Total Interface Bandwidth | 8 Gb/s |
| Form Factor | M.2 22110 |
|---|
| NAND Flash | Samsung V-NAND 3D MLC |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 6307 TBW |
| Sequential Read | 1200 MB/s |
|---|---|
| Sequential Write | 900 MB/s |
| Random Read IOPS | 350000 |
| Random Write IOPS | 23000 |
| 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-V7S2T0E |
|---|
Compared with the MZ-V7S2T0E, the MZ1LW960HMJP (SM963) is a clear generational step into enterprise endurance, moving to Samsung V-NAND 3D MLC and delivering 3.6 DWPD with 6,307 TBW for far higher sustained-write durability and more consistent 24/7 QoS under mixed workloads. Its 350,000 random-read IOPS on a PCIe Gen3 x4 interface makes it especially strong for read-intensive virtualization, metadata, and database tiers that need predictable latency without sacrificing write reliability.
With an endurance rating of 6,307 TBW and 3.6 DWPD, the MZ1LW960HMJP is designed to handle heavy daily write activity throughout its service life, making it well suited for demanding server and enterprise workloads. In typical operating scenarios, this level of endurance means it can comfortably serve as a high-write system or application drive for many years without endurance becoming a practical concern. The drive also includes enterprise-grade power loss protection (PLP), which helps preserve in-flight data and protects mapping metadata during unexpected power interruptions, reducing the risk of corruption or downtime. Its UBER specification of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity for business-critical environments, while the 2 million hour MTBF further reflects strong overall reliability.
1. The PCIe Gen3 x4 interface provides a mature low-latency NVMe path that fits easily into mainstream enterprise servers while removing storage bottlenecks from transactional and virtualized workloads.
2. Its sequential read performance accelerates large-file access, helping databases, analytics platforms, and backup systems shorten bulk data retrieval and recovery windows.
3. The strong random read capability enables fast response under highly fragmented access patterns, making it well suited for OLTP databases, VDI boot storms, and metadata-heavy cloud applications.
4. With an enterprise-class endurance rating designed for multiple full-drive writes per day, it can sustain write-intensive workloads such as logging, caching, and mixed-use database operations over long deployment cycles.
5. Samsung V-NAND 3D MLC paired with very low typical latency delivers a balance of consistency, flash reliability, and fast QoS that is valuable for latency-sensitive enterprise applications.
Lower-capacity reference: 480 GB Higher-capacity reference: 1.92 TB At 960 GB, this SSD sits in the sweet spot of the family. Compared with the 480 GB version, it gives much better headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure in always-on enterprise workloads. Compared with the 1.92 TB model, it keeps acquisition cost and fleet-wide budget under tighter control while delivering essentially the same class of sequential and random performance. It is a strong fit for mid-scale virtualization, such as boot and application storage for about 40 to 60 general-purpose virtual machines.
Q: Is MZ1LW960HMJP suitable for a write-heavy database server?
A: Yes. With 3.6 DWPD endurance, 6307 TBW, Samsung V-NAND 3D MLC, and 85 µs typical latency, MZ1LW960HMJP is well suited for write-intensive database and enterprise server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 3.6 DWPD, meaning it can sustain about 3.6 full 960 GB drive writes per day throughout its warranty period under normal enterprise operating conditions.
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 sudden outages, which is critical for maintaining data integrity and reducing corruption risk in servers.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on your priority. For performance and redundancy, RAID 10 is commonly preferred. For capacity efficiency with protection, RAID 5 or RAID 6 may also be considered.