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| Brand | Samsung |
|---|---|
| Model | PM963 |
| Capacity | 960 GB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen3 x4 |
|---|---|
| Total Interface Bandwidth | 8 Gb/s |
| Form Factor | M.2 22110 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 2183 TBW |
| Sequential Read | 2000 MB/s |
|---|---|
| Sequential Write | 930 MB/s |
| Random Read IOPS | 420000 |
| Random Write IOPS | 22000 |
| Average Latency | 90 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ1LW960HMJP |
|---|
Compared with the earlier MZ1LW960HMJP, the MZ1LW960HMJP-00003 delivers a later PM963 enterprise revision that combines Samsung V-NAND 3D TLC with 2,183 TBW and 1.3 DWPD, giving it a more deployment-ready balance of sustained endurance and PCIe Gen3 x4 performance for long-life datacenter use. Its standout value in the 960 GB class is the pairing of up to 2,000/930 MB/s throughput with 420,000 random-read IOPS, making it a strong fit for virtualization boot tiers, read-heavy databases, and mixed enterprise workloads where predecessor-era SATA SSDs or lower-end NVMe drives become the bottleneck.
With an endurance rating of 2,183 TBW and 1.3 DWPD, the MZ1LW960HMJP-00003 is built to handle heavy, sustained write workloads over its service life, making it a strong fit for enterprise boot, read-intensive, and mixed-use server applications. In practical terms, under typical system-disk or mainstream server workloads, this level of endurance provides long-term operational confidence and is more than sufficient for many years of stable daily use. For reliability, this SSD includes power loss protection (PLP), which helps safeguard in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving system recovery integrity. Its enterprise-class UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates an extremely low probability of unrecoverable bit errors and dependable long-term operation in business-critical environments.
1. The PCIe Gen3 x4 interface, paired with up to 2000 MB/s sequential read bandwidth, accelerates VM boot storms, large database scans, and analytics data ingestion without requiring a platform upgrade.
2. With random read performance reaching 420,000 K IOPS, this drive is well suited for latency-sensitive OLTP databases, metadata-heavy virtualization clusters, and high-concurrency read caching tiers.
3. A 1.3 DWPD endurance rating gives enterprises the write headroom to sustain mixed daily workloads over the service life of the SSD while keeping replacement risk and maintenance windows under control.
4. Samsung V-NAND 3D TLC provides a strong balance of capacity, power efficiency, and cost, making it a practical fit for scale-out servers that need dependable enterprise flash economics.
5. A typical latency of 90 µs helps reduce application response time variance, supporting more predictable QoS for transactional systems and multi-tenant cloud environments.
Lower-capacity reference: 800 GB Higher-capacity reference: 1.92 TB In this enterprise SSD family, 960 GB sits at the sweet spot between the 800 GB and 1.92 TB options. It offers noticeably more usable headroom than 800 GB for OS images, logs, temp data, and steady growth, while keeping the same class of sequential throughput and random IOPS. Versus 1.92 TB, it delivers a better balance of acquisition cost, flash utilization, and performance consistency. This makes 960 GB a strong fit for mid-size virtualization hosts, such as supporting system and application volumes for about 40 to 60 mixed enterprise VMs.
Q: Is MZ1LW960HMJP-00003 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads. With 1.3 DWPD, 2183 TBW endurance, PCIe Gen3 x4, and low 90 µs latency, it is suitable for enterprise write-heavy environments.
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 (DWPD) during its warranty period. For a 960 GB drive, that equals about 1.25 TB of writes per day.
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 preventing corruption and maintaining database or transactional integrity.
Q: What RAID level is recommended for this SSD?
A: For most enterprise deployments, RAID 10 is the preferred choice, balancing performance and redundancy. RAID 1 is also suitable for smaller setups, while RAID 5/6 fits more read-focused environments.