Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | SM863 |
| Capacity | 240 GB |
| Usage Class | Write Intensive |
| 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 | 1540 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 485 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 20000 |
| 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-QLW9600 |
|---|
Compared with the MZ-QLW9600, the SM863 MZ-7KM2400 moves to a 3.6 DWPD, 1,540 TBW endurance profile on Samsung 2-bit MLC V-NAND, making it a materially stronger fit for write-intensive enterprise workloads where sustained reliability matters more than raw capacity. With up to 520/485 MB/s sequential performance and 97,000/20,000 IOPS over SATA 6.0 Gbps, it gives existing SATA servers a higher-endurance, lower-latency upgrade path for OLTP, logging, and virtualization tiers.
With an endurance rating of 1,540 TBW and 3.6 DWPD, this SSD is designed to sustain very heavy write activity, including rewriting its full capacity multiple times per day over the warranty period. In typical OS, boot, and application-drive use, this level of endurance is far beyond normal demand and can comfortably support long-term deployment, including 10+ years of system-disk workloads in many environments. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and metadata during unexpected power interruption, reducing the risk of corruption and improving operational safety. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, while the 2 million hour MTBF further reflects a platform engineered for dependable enterprise operation.
1. The SATA 6.0 Gbps interface, paired with strong sequential read performance, makes this drive a practical drop-in upgrade for legacy enterprise servers that need faster boot, backup, and bulk data access without moving to a PCIe platform.
2. Its high random read capability helps virtualized workloads, OLTP databases, and metadata-heavy applications return small-block data quickly under multi-user demand.
3. A 3.6 DWPD endurance rating gives IT teams the write headroom needed for caching, logging, and mixed-write enterprise workloads with predictable lifespan planning.
4. Samsung V-NAND 2-bit MLC provides the durability and performance consistency enterprises expect for always-on systems where sustained reliability matters more than consumer-grade flash economics.
5. The 95 µs typical latency supports faster application response times and steadier QoS, which is especially valuable in transactional systems sensitive to storage delay.
Lower capacity reference: 120 GB Higher capacity reference: 480 GB In the MZ-7KM series, the 240 GB version sits at a practical sweet spot. Compared with the 120 GB model, it gives much better headroom for OS images, logs, swap, and application growth, reducing early capacity pressure in always-on enterprise environments. Compared with the 480 GB model, it keeps acquisition cost lower while delivering broadly similar sequential throughput and random IOPS for mainstream mixed workloads. This makes 240 GB a balanced choice for small to mid-sized virtualization clusters, such as hosting boot and utility volumes for around 25 to 40 virtual machines.
Q: Is MZ-7KM2400 suitable for a write-heavy database server?
A: Yes. The MZ-7KM2400 is well suited for write-heavy database workloads, thanks to 3.6 DWPD endurance, 1540 TBW, Samsung V-NAND 2-bit MLC, low latency, and enterprise-grade reliability.
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 240 GB SSD, that equals about 864 GB of writes daily across the specified 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 systems.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for this SSD in performance-sensitive environments, especially databases. It combines redundancy and strong write performance better than RAID 5 or RAID 6.