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| Brand | Samsung |
|---|---|
| Model | PM863 |
| 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 32-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 1400 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 475 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 18000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM960HCHP |
|---|
Compared with the earlier MZ7LM960HCHP, the Samsung PM863 MZ-7LM9600 advances to 32-layer V-NAND TLC and delivers a stronger enterprise endurance profile at 1.3 DWPD and 1400 TBW, making it a more robust choice for long-life, read-intensive SATA deployments. At 960 GB, it pairs near-saturated SATA 6.0 Gbps throughput of 520/475 MB/s with up to 99,000/18,000 IOPS, giving it standout value for dense web, CDN, and scale-out server tiers that need predictable enterprise performance on a cost-efficient SATA platform.
With an endurance rating of 1400 TBW and 1.3 DWPD, the MZ-7LM9600 is built to handle sustained daily writes over a long service life, making it well suited for OS, boot, and general enterprise application workloads. In typical system-drive use, this level of endurance means the drive can operate for many years with ample write headroom, providing confidence for long-term deployment. The drive also 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 enterprise-class UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of unrecoverable bit errors and strong overall reliability for business-critical environments.
1. The SATA 6.0 Gbps interface, paired with 520 MB/s sequential read performance, enables a drop-in upgrade for legacy enterprise servers while accelerating OS boot, backup restore, and large-file streaming workloads.
2. With 99,000 K IOPS random read capability, this SSD helps virtualized environments and database platforms sustain fast response times under heavy mixed-user access.
3. Rated for 1.3 DWPD, it is well suited for always-on enterprise write workloads such as logging, OLTP, and edge data collection without premature wear concerns.
4. Samsung V-NAND 32-layer 3D TLC provides a balanced foundation of density, power efficiency, and cost control, making it a practical choice for scale-out data center deployments.
5. A typical latency of 120 µs supports consistently quick data access, reducing application wait states in latency-sensitive services like transaction processing and boot-from-SAN environments.
Lower capacity reference: 480 GB Higher capacity reference: 1.92 TB In this series, the 960 GB model sits at the sweet spot for mainstream enterprise deployments. Compared with the 480 GB version, it provides much better headroom for OS images, logs, application growth, and overprovisioning flexibility, reducing the risk of early capacity pressure. Compared with the 1.92 TB model, it keeps acquisition cost and cost-per-node more controlled while delivering essentially the same class of sequential throughput and random IOPS. It is especially well suited for mid-sized virtualization clusters, such as hosting boot and utility volumes for roughly 40 to 60 virtual machines.
Q: Is MZ-7LM9600 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 1400 TBW endurance, 120 µs typical latency, and Samsung 32-layer V-NAND TLC, the MZ-7LM9600 is suitable for many write-intensive database and transactional server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: The rated endurance is 1.3 DWPD, meaning the 960 GB drive can handle about 1.25 TB of writes per day on average throughout its 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: RAID recommendation depends on your priority. RAID 10 is typically preferred for database workloads requiring strong performance and redundancy, while RAID 1 or RAID 5 may suit other capacity needs.