| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 480 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 | 680 TBW |
| Sequential Read | 525 MB/s |
|---|---|
| Sequential Write | 475 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 17000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM480HCHP-00005 |
|---|
Compared with the earlier MZ7LM480HCHP-00005, the MZ7LM480HCHP PM863 revision delivers a stronger enterprise endurance profile with 1.3 DWPD and 680 TBW, making it a better fit for longer-duty read-intensive to mixed-use SATA server deployments. With Samsung V-NAND 3-bit TLC, 525/475 MB/s sequential throughput, and up to 99,000/17,000 IOPS, it stands out in the 480 GB SATA class by combining near-interface-limit performance with higher write tolerance than typical value-oriented TLC SSDs.
With an endurance rating of 680 TBW and 1.3 DWPD, the MZ7LM480HCHP is built to handle sustained daily write activity well beyond typical OS, boot, and general application workloads. In practical terms, for common system-drive usage patterns, this level of endurance supports long-term deployment and can comfortably serve as a reliable system disk for many years, including up to 10 years under typical write volumes. As an enterprise-class SSD, it includes Power Loss Protection (PLP), which helps safeguard in-flight data and mapping information during unexpected power interruptions, reducing the risk of data corruption. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, giving buyers added confidence in data integrity, while the 2 million hour MTBF further reflects strong long-term reliability in business environments.
1. The SATA 6.0 Gbps interface, paired with up to 525 MB/s sequential read speed, provides a drop-in upgrade for legacy enterprise platforms, accelerating OS boot, image distribution, and bulk data retrieval without requiring NVMe infrastructure changes.
2. With random read performance reaching 99,000 K IOPS, this drive is well suited for read-heavy virtualization, metadata access, and high-concurrency database workloads where fast small-block retrieval directly improves application responsiveness.
3. A 1.3 DWPD endurance rating gives IT teams the confidence to run sustained daily write activity across the warranty period, making it a practical fit for mixed-use enterprise environments rather than light-duty archival tiers.
4. Samsung V-NAND 3-bit TLC enables a balanced combination of capacity efficiency, cost control, and enterprise-grade consistency, helping organizations scale flash deployment economically across mainstream server and storage nodes.
5. The typical 120 µs latency supports quicker transaction completion and steadier QoS under load, which is especially valuable for latency-sensitive business applications that depend on predictable storage response times.
Lower capacity reference: 240 GB Higher capacity reference: 960 GB In the MZ7LM series, the 480 GB model is the practical sweet spot. Compared with the 240 GB version, it gives noticeably better headroom for OS growth, patching, swap, logs, and moderate application data, reducing early capacity pressure in always-on enterprise environments. Compared with the 960 GB option, it preserves nearly the same enterprise SATA performance profile while offering a more efficient cost-per-node for larger rollouts. This makes 480 GB especially well suited for mid-scale virtualization clusters, such as hosting system and boot volumes for about 40 to 60 business application instances.
Q: Is MZ7LM480HCHP suitable for a write-heavy database server?
A: The MZ7LM480HCHP can support moderate database workloads, but for truly write-heavy servers, its 1.3 DWPD TLC endurance may be limiting. It is better suited for mixed-use enterprise applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated for 1.3 drive writes per day, meaning the 480 GB capacity can be fully written about 1.3 times daily within its specified warranty endurance range.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and metadata during sudden outages, reducing corruption risk and improving enterprise data integrity.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on the workload. RAID 1 or RAID 10 is typically preferred for databases and enterprise systems, balancing redundancy, performance, and fault tolerance effectively.