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| Brand | Samsung |
|---|---|
| Model | SM863 |
| Capacity | 480 GB |
| Usage Class | Mixed Use |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 2-bit MLC |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 3080 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 485 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 26000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7KM4800 |
|---|
Compared with the earlier MZ-7KM4800, the Samsung SM863 MZ7KM480HAHP-00005 delivers a clear generational step in enterprise endurance and sustained-write suitability, combining Samsung V-NAND 2-bit MLC with a 3.6 DWPD / 3,080 TBW rating for heavier mixed-write server workloads. At 480 GB, it also provides a well-balanced SATA 6.0 Gbps performance profile of 520/485 MB/s and up to 97,000/26,000 IOPS, making it a stronger choice than typical read-centric SATA SSDs for virtualization, OLTP, and always-on data center boot or cache tiers.
With an endurance rating of 3080 TBW and 3.6 DWPD, the MZ7KM480HAHP-00005 is designed for sustained enterprise write activity and can comfortably handle typical server boot, OS, logging, and application workloads for many years. In practical terms, for lighter system-disk use, this level of endurance is far beyond normal consumption and supports long-term deployment with substantial write headroom. Its power loss protection (PLP) helps preserve in-flight data and mapping information during unexpected power interruptions, reducing the risk of corruption and improving operational stability in enterprise environments. An 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 storage applications.
1. The SATA 6.0 Gbps interface, paired with 520 MB/s sequential read performance, enables a straightforward upgrade path for legacy enterprise servers while accelerating large-file access, boot operations, and backup restores.
2. With 97,000 K IOPS in random reads, this drive handles highly concurrent OLTP databases, virtual desktop pools, and metadata-heavy workloads with faster response under pressure.
3. Rated at 3.6 DWPD, it is built for write-intensive enterprise environments such as logging, caching, and mixed-use virtualization where sustained daily overwrites are expected.
4. Samsung V-NAND 2-bit MLC provides a stronger balance of endurance, consistency, and data reliability than lower-cost flash, making it well suited for always-on business infrastructure.
5. A typical latency of 95 µs helps reduce storage wait time per transaction, supporting more predictable application performance in latency-sensitive enterprise systems.
Lower capacity reference: 240 GB Higher capacity reference: 960 GB Within this series, 240 GB is the next lower step and 960 GB is the next higher step. The 480 GB model sits in the sweet spot: compared with 240 GB, it provides much healthier headroom for OS growth, logs, patch cycles, and moderate application data, reducing early capacity pressure. Compared with 960 GB, it keeps essentially the same enterprise SATA performance profile while maintaining better cost efficiency and avoiding overprovisioned, underused space. It is best suited for small-to-mid virtualization clusters, such as boot and infrastructure volumes for roughly 40 to 60 general-purpose virtual machines.
Q: Is MZ7KM480HAHP-00005 suitable for a write-heavy database server?
A: Yes. With 3.6 DWPD, 3080 TBW, Samsung V-NAND 2-bit MLC, and 95 µs typical latency, this SSD is well suited for write-intensive database and enterprise server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 3.6 full drive writes per day. For a 480 GB drive, that equals about 1.73 TB of writes daily, or roughly 3080 TB total endurance.
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 metadata during sudden outages, which is critical for preventing corruption and maintaining storage consistency in servers.
Q: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 10 is generally recommended because it balances performance, redundancy, and rebuild reliability. RAID 1 is also suitable for smaller deployments focused primarily on data protection.