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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 480 GB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 680 TBW |
| Sequential Read | 540 MB/s |
|---|---|
| Sequential Write | 410 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 16000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7GE480HMHP-00003 |
|---|
Compared with the MZ7GE480HMHP-00003, the Samsung PM863 MZ-7LM4800 advances to Samsung V-NAND 3D TLC and delivers enterprise endurance of 1.3 DWPD and 680 TBW, giving it a stronger longevity profile for mixed-read server workloads. For 480GB SATA deployments, its 540/410 MB/s throughput and up to 99,000/16,000 IOPS make it a more balanced choice for boot, web, and scale-out storage tiers that need higher consistency and better write endurance than the previous generation.
With an endurance rating of 680 TBW and 1.3 DWPD, the MZ-7LM4800 is built to handle sustained daily write activity well beyond typical client or system-boot workloads. In practical terms, for common OS, application, and general business use, this level of endurance supports long-term deployment with comfortable margin, making it a dependable choice for many years of service. The drive also includes power-loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving operational stability. Its enterprise-class UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates a very low probability of unrecoverable read errors and strong overall reliability for business-critical environments.
1. The SATA enterprise interface enables drop-in deployment across legacy server and storage platforms, making it ideal for cost-sensitive refresh projects without PCIe infrastructure changes.
2. Its near-bus-limit sequential read performance accelerates boot storms, image distribution, backup restores, and large-scale data scans in read-heavy environments.
3. Strong random read capability helps databases, virtual desktop pools, and metadata-intensive workloads respond faster under highly concurrent access patterns.
4. The enterprise endurance profile supports sustained daily rewrite activity, giving IT teams confidence for mixed-use applications such as virtualization, logging, and transactional systems.
5. Samsung V-NAND 3D TLC paired with low typical latency delivers a balanced combination of capacity efficiency, predictable QoS, and fast application response in always-on data center operation.
Lower capacity reference: 240 GB Higher capacity reference: 960 GB Within this series, the 480 GB model sits at the sweet spot. Compared with the 240 GB version, it gives noticeably more headroom for OS growth, patch cycles, logs, and application buffers, reducing the risk of early capacity pressure. Compared with the 960 GB option, it preserves essentially the same enterprise-class sequential and random performance while offering a more efficient cost profile per deployment node. This makes 480 GB especially well suited for medium-scale virtualization clusters, such as hosting system and boot volumes for around 40 to 60 business application VMs.
Q: Is MZ-7LM4800 suitable for a write-heavy database server?
A: Yes, it can support moderately write-heavy database workloads. With 1.3 DWPD, 680 TBW, low 120 µs latency, and enterprise Samsung V-NAND TLC, it is suitable for steady transactional environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 full drive writes per day. On a 480 GB capacity, that equals about 624 GB of writes daily throughout 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 mapping tables during sudden outages, reducing corruption risk and improving reliability for server and database applications.
Q: What RAID level is recommended for this SSD?
A: For most server deployments, RAID 1 or RAID 10 is recommended for the best balance of redundancy, performance, and rebuild safety. RAID 5 may work, but write-intensive workloads benefit more from RAID 10.