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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 960GB |
| Usage Class | Enterprise |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | TLC V-NAND |
|---|---|
| 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 | 95 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 predecessor MZ7LM960HCHP, the 00LY411 Samsung PM863 960GB delivers a more compelling enterprise SATA value point by leveraging TLC V-NAND while still sustaining 1.3 DWPD and 1,400 TBW, giving it a stronger balance of cost efficiency, usable capacity, and endurance. With 520/475 MB/s sequential performance and up to 99,000/18,000 IOPS, it is particularly well suited for read-heavy virtualization, web hosting, and scale-out application tiers that need dependable enterprise endurance on existing SATA infrastructure.
With an endurance rating of 1,400 TBW and 1.3 DWPD, this SSD is designed to handle sustained daily write activity over its service life, making it well suited for typical server, virtualization, and mixed enterprise workloads. In practical terms, for common system-boot and application-drive usage, this level of endurance provides long-term peace of mind and can comfortably support many years of reliable operation under normal deployment conditions. This drive also includes enterprise-grade reliability features such as power loss protection (PLP), which helps preserve in-flight data and metadata if power is interrupted unexpectedly. Its UBER rating of 1.0E-17 indicates an extremely low probability of unrecoverable bit errors, supporting strong data integrity for business-critical environments.
1. The SATA interface enables broad drop-in compatibility with mainstream enterprise backplanes and legacy server platforms, while its full-bandwidth sequential read performance helps accelerate OS boot, backup restore, and large-file access workloads.
2. The strong random read capability translates into faster response for metadata-heavy applications such as virtualization, web serving, and transactional database lookups under concurrent user demand.
3. Its enterprise write endurance supports sustained daily overwrite cycles, making it a dependable fit for mixed-use environments that require predictable lifespan and lower replacement risk.
4. TLC V-NAND balances capacity efficiency with enterprise-grade reliability, giving data centers a cost-effective flash tier for scaling read-intensive and mixed workloads.
5. The low typical latency helps reduce storage wait time per I/O, improving application responsiveness and supporting tighter SLA consistency in latency-sensitive systems.
For MPN 00LY411 (960GB), the nearest reference capacities in the same enterprise SSD family are typically 480GB as the lower tier and 1.92TB as the higher tier. Performance is generally very close across these three capacities, with similar sequential read/write behavior and comparable random IOPS under normal enterprise workloads. At 960GB, this SSD sits in the sweet spot of the series. Compared with the 480GB model, it gives much better headroom for OS, application, log, and growth space, reducing early capacity pressure. Compared with the 1.92TB version, it usually delivers the best balance between acquisition cost, usable capacity, and enterprise-class performance consistency. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for around 40-60 general-purpose virtual machines.
Q: Is 00LY411 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 1400 TBW endurance, TLC V-NAND, and 95 µs typical latency, the 00LY411 is suitable for mixed to moderately write-heavy database workloads in enterprise environments.
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 960GB drive can sustain about 1.25TB of writes per day over its warranty period, consistent with its 1400 TBW specification.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, the 00LY411 includes power loss protection. PLP helps preserve in-flight data and metadata during sudden outages, which is critical for maintaining data integrity and preventing corruption.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is generally recommended for this SSD when performance and redundancy are both required. For read-focused capacity efficiency, RAID 5 may work, but RAID 10 is safer for write-intensive workloads.