Secure payments
Standard refund policy
Trade Assurance
| 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 | MZTL21T9HCJR |
|---|
Compared with the earlier MZTL21T9HCJR, the Samsung SM863 MZ7KM480HAHP brings a clear generational step to a SATA 6.0 Gbps platform with Samsung V-NAND 2-bit MLC, delivering up to 520/485 MB/s and 97,000/26,000 IOPS while sustaining a 3.6 DWPD, 3080 TBW endurance profile. Its standout value in the 480 GB class is combining near-interface-limit SATA performance with true write-intensive enterprise endurance, making it a stronger fit than typical read-centric SATA SSDs for mixed OLTP, virtualization boot, and metadata-heavy caching workloads.
With an endurance rating of 3,080 TBW and 3.6 DWPD, the MZ7KM480HAHP is designed to handle heavy daily write activity over its service life, making it well suited for write-intensive enterprise workloads. In typical real-world use, this level of endurance means it can serve reliably as a system or application drive for many years without endurance becoming a practical concern. The drive also includes enterprise-class reliability features such as power loss protection (PLP), which helps preserve in-flight data and prevents metadata corruption if power is unexpectedly interrupted. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low uncorrectable bit error rate and strong long-term operational reliability, giving procurement teams added confidence for business-critical deployments.
1. The SATA interface, combined with near bus-saturating sequential read performance, makes this drive an easy drop-in upgrade for legacy enterprise servers that need faster boot, scan, and backup-read operations without changing the storage stack.
2. Its strong random read capability helps virtualized databases, OLTP workloads, and metadata-heavy applications return small-block data quickly under high queue-depth pressure.
3. The high endurance rating supports sustained daily overwrites, making it well suited for write-intensive logging, caching, and mixed-workload enterprise environments with predictable service life.
4. Samsung V-NAND 2-bit MLC provides a better balance of write consistency, retention, and endurance than read-optimized flash, which is valuable for always-on business systems that cannot tolerate performance drift.
5. The low typical latency improves application responsiveness and tail-latency behavior, helping transactional workloads meet tighter SLA targets during bursty demand.
Lower capacity reference: 240 GB Higher capacity reference: 960 GB Capacity positioning analysis: Within this enterprise SSD family, the 480 GB model sits at the practical sweet spot. Compared with the 240 GB version, it provides much better headroom for OS growth, logs, patches, swap, and workload spikes, reducing the risk of early capacity pressure. Compared with the 960 GB option, it delivers nearly the same enterprise-class sequential and random I/O behavior while keeping acquisition cost and fleet-level budget under tighter control. It is especially well suited for small-to-midsize virtualization clusters, such as hosting boot and middleware volumes for about 30 to 50 application servers.
Q: Is MZ7KM480HAHP 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, MZ7KM480HAHP 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: This model is rated for 3.6 full drive writes per day. For a 480 GB SSD, that equals about 1.73 TB of writes per day during the 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 choice depends on workload. RAID 1 is recommended for simple redundancy, while RAID 10 is preferred for database servers needing both strong write performance and fault tolerance.