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| Brand | Samsung |
|---|---|
| Model | PM863a |
| Capacity | 960 GB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 3-bit TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 1360 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 480 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 24000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7LH960NE |
|---|
Compared with the previous-generation MZ-7LH960NE, the Samsung PM863a MZ7LM960HMJP delivers a more balanced enterprise SATA profile with 1.3 DWPD, 1,360 TBW endurance, and up to 97,000/24,000 IOPS, making it a stronger fit for read-centric virtualization and scale-out server deployments. Its 960 GB capacity, Samsung V-NAND 3-bit TLC, and near-SATA-limit 520/480 MB/s throughput give it distinct value in its class by combining higher usable endurance with consistent low-latency performance on widely deployed SATA 6.0 Gbps infrastructure.
With an endurance rating of 1360 TBW and 1.3 DWPD, the MZ7LM960HMJP is designed to handle sustained daily writes over its service life, making it well suited for typical enterprise system, boot, and mixed-read workloads. In practical terms, for normal OS, application, and log usage, this level of endurance provides long-term peace of mind and can comfortably support many years of stable 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 unexpected power interruptions, reducing the risk of corruption and improving system integrity. Its UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very low likelihood of unrecoverable bit errors and strong overall reliability expected from enterprise-class SSDs.
1. The SATA 6.0 Gbps interface, paired with top-end sequential read performance, makes this drive a practical drop-in upgrade for legacy enterprise servers and storage arrays that need faster boot, backup, and large-file streaming without moving to PCIe infrastructure.
2. Its strong random read capability supports high-transaction environments such as virtual desktops, metadata-heavy databases, and read-centric cloud workloads by accelerating access to small, scattered data blocks at scale.
3. A 1.3 DWPD endurance rating gives enterprises the write headroom needed for mixed-use deployments, helping sustain reliable operation over years of daily logging, indexing, and application updates.
4. Samsung V-NAND 3-bit TLC balances capacity, power efficiency, and cost, enabling dense enterprise storage with better flash management and consistency than commodity client-grade TLC implementations.
5. Typical latency of 120 µs helps reduce storage response time for business-critical applications, improving VM responsiveness, transaction handling, and overall quality of service under steady load.
Lower capacity reference: 480 GB Higher capacity reference: 1.92 TB The 960 GB MZ7LM960HMJP sits at the sweet spot in this enterprise SSD family. Compared with the 480 GB version, it gives noticeably more headroom for OS images, logs, swap, and application growth, reducing early capacity pressure in mixed workloads. Compared with the 1.92 TB model, it usually delivers the best balance of acquisition cost, usable space, and enterprise-grade performance consistency. This makes 960 GB a practical choice for mid-scale virtualization, such as hosting boot and utility volumes for about 40 to 60 business application instances.
Q: Is MZ7LM960HMJP suitable for a write-heavy database server?
A: Yes, it is suitable for moderately write-heavy database workloads. With 1.3 DWPD, 1360 TBW, low 120 µs latency, and enterprise Samsung V-NAND TLC, it supports reliable server-side transactional operations.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1.3 DWPD, meaning it can handle about 1.3 full 960 GB drive writes per day throughout its warranty period, consistent with its 1360 TBW endurance specification.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical in enterprise systems because it helps preserve in-flight data and metadata during sudden outages, reducing corruption risk and improving storage reliability.
Q: What RAID level is recommended for this SSD?
A: For most server deployments, RAID 1 or RAID 10 is recommended for this SSD. These levels provide strong redundancy, solid performance, and better fault tolerance for database and business-critical workloads.