Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | SM863 |
| Capacity | 960 GB |
| Usage Class | Mixed Use |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 32-layer MLC |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 6160 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 485 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 28000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7KM960HAHP-00005 |
|---|
Compared with the earlier MZ7KM960HAHP-00005, the MZ-7KM960A SM863 moves to Samsung 32-layer V-NAND MLC, combining SATA-saturating 520/485 MB/s throughput with 97,000/28,000 IOPS and enterprise endurance rated at 3.6 DWPD and 6,160 TBW. That makes this 960 GB model a stronger fit for write-intensive virtualization, database logging, and mixed-read/write server workloads where higher sustained endurance and consistent latency matter more than raw interface speed.
With an endurance rating of 6,160 TBW and 3.6 DWPD, the MZ-7KM960A is designed to sustain intensive daily write activity over its service life, making it well suited for write-heavy enterprise workloads as well as always-on system and application drive use. In practical terms, this level of endurance is far beyond typical OS, boot, and general server workloads, so under normal deployment it can provide many years of dependable operation with substantial write headroom. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is suddenly interrupted. Its UBER rating of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of unrecoverable bit errors and supports the high data integrity and operational stability expected in business-critical environments.
1. The SATA interface enables straightforward integration into legacy and mixed-server environments, while its near-bus-limit streaming performance accelerates backups, boot storms, and large file access without requiring platform changes.
2. Its strong random read capability sustains responsive performance for virtualization clusters, OLTP databases, and heavily indexed workloads where many small requests arrive simultaneously.
3. This endurance profile is built for write-intensive enterprise use, allowing frequent full-drive rewrites in caching, logging, and high-churn transactional environments over the service life of the drive.
4. Samsung’s V-NAND MLC design balances retention, write consistency, and long-term reliability, making it well suited for always-on data center deployments that cannot tolerate consumer-grade flash behavior.
5. The low typical latency helps reduce storage wait time at the application layer, improving QoS consistency for latency-sensitive services such as real-time analytics and virtual desktop infrastructure.
For Samsung MZ-7KM960A 960 GB, the nearest lower capacity in the same enterprise SSD family is 480 GB, and the nearest higher capacity is 1.92 TB. At 960 GB, this drive sits in the sweet spot of the series. Compared with the 480 GB model, it offers much better headroom for OS images, application growth, logs, and overprovisioning, reducing early capacity pressure in always-on enterprise workloads. Compared with the 1.92 TB version, it preserves nearly the same enterprise-class sequential and random performance while keeping acquisition cost and $/deployment more manageable. It is especially well suited for small to mid-size virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 virtual machines.
Q: Is MZ-7KM960A suitable for a write-heavy database server?
A: Yes. The MZ-7KM960A is well suited for write-heavy database workloads, thanks to its 3.6 DWPD endurance, 6160 TBW rating, low 95 µs latency, and enterprise-grade Samsung V-NAND MLC.
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 960 GB SSD, that equals about 3.46 TB of writes daily across the 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 metadata during unexpected outages, which is critical for preventing corruption and maintaining consistency in enterprise storage environments.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 or RAID 10 is best for performance and redundancy, while RAID 5 or RAID 6 may suit capacity-focused deployments.