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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 240GB |
| Usage Class | Enterprise |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | TLC V-NAND |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 560 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 245 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 10000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM240HCHQ |
|---|
Compared with the earlier MZ7LM240HCHQ, the MZ7LM240HCGR-00003 PM863 refresh delivers a stronger endurance profile with 1.3 DWPD and 560 TBW while sustaining SATA-limit sequential performance at 520/245 MB/s. For read-centric enterprise workloads that still require steady write capability, its TLC V-NAND and 99,000/10,000 IOPS balance higher usable lifespan with predictable latency better than typical same-class SATA SSDs.
With an endurance rating of 560 TBW and 1.3 DWPD, the MZ7LM240HCGR-00003 is well suited for typical enterprise boot, OS, and read-intensive application workloads, allowing substantial data writes over its service life without concern. In practical terms, for use as a system drive or in light-to-moderate daily write environments, this level of endurance supports many years of stable operation and gives buyers confidence in long-term deployment. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is unexpectedly interrupted. Its UBER of 1.0E-17 and MTBF of 2 million hours indicate a very low probability of uncorrectable bit errors and strong overall reliability, making it a dependable choice for business-critical storage environments.
1. The SATA interface ensures broad compatibility with mainstream enterprise servers and storage arrays, while its top-end sequential read performance helps accelerate boot volumes, log replay, and large file retrieval in legacy-friendly infrastructures.
2. With up to 99,000 random read IOPS, this drive can sustain responsive access to heavily indexed databases, virtual desktop pools, and read-centric transactional workloads during peak concurrency.
3. A 1.3 DWPD endurance rating provides the write stamina needed for always-on business applications, giving IT teams confidence in multi-year deployment under steady daily overwrite cycles.
4. TLC V-NAND balances cost efficiency, capacity density, and reliability, making it well suited for enterprise environments that need scalable flash without stepping up to a premium media tier.
5. A typical latency of 100 µs helps reduce storage response lag, supporting faster application turnarounds and more consistent QoS for latency-sensitive workloads.
Reference capacities in the same series: Lower capacity: 120GB Higher capacity: 480GB Capacity positioning analysis: The 240GB model sits at the sweet spot in this enterprise SSD family. Compared with the 120GB version, it gives noticeably more headroom for OS images, logs, patch growth, and application buffers, reducing early capacity pressure in production. Compared with the 480GB option, it preserves nearly the same enterprise-class sequential throughput and random IOPS while delivering a more attractive cost profile per deployed node. This makes it especially well suited for mid-size virtualization clusters, such as boot and utility storage for around 30 to 50 application servers.
Q: Is MZ7LM240HCGR-00003 suitable for a write-heavy database server?
A: Yes, it can support moderate to write-intensive database workloads. With 1.3 DWPD, 560 TBW, TLC V-NAND, and low 100 µs latency, it is suitable for enterprise SATA database environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1.3 DWPD, meaning it can sustain about 1.3 full 240GB drive writes per day throughout its warranty period, aligned with its 560 TB total endurance rating.
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 power failure, which is critical for preventing corruption and maintaining storage reliability in servers.
Q: What RAID level is recommended for this SSD?
A: For most business-critical deployments, RAID 1 or RAID 10 is recommended for better redundancy and steady performance. RAID 5 may suit read-focused workloads, but write penalty should be considered.