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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 480 GB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | Samsung V2 (32L) TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 700 TBW |
| Sequential Read | 525 MB/s |
|---|---|
| Sequential Write | 460 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 17000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM480HCHP |
|---|
Compared with the previous-generation MZ7LM480HCHP, the PM863 MZ-8LM480A advances to Samsung V2 32-layer TLC NAND and couples it with 1.3 DWPD / 700 TBW endurance, delivering a more robust enterprise SATA profile for long-life deployments. At 480 GB, its 525/460 MB/s sequential performance and 99,000/17,000 IOPS random throughput make it a stronger choice for read-centric virtualization, boot-from-SAN, and scale-out server tiers where SATA cost efficiency still matters.
With a rated endurance of 700 TBW and 1.3 DWPD, the MZ-8LM480A is designed to handle sustained daily write activity well beyond typical OS, application, and general business workloads. In practical terms, for use as a system or boot drive, this level of endurance supports many years of stable operation under normal enterprise usage, giving buyers strong confidence in long-term service life. The MZ-8LM480A also includes power loss protection, which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving operational reliability. Its UBER of 1.0E-17 and 2 million hour MTBF reflect enterprise-class data integrity and dependability, helping ensure a very low probability of unrecoverable read errors and consistent performance in business-critical environments.
1. The SATA 3.0 6Gb/s interface, paired with 525 MB/s sequential read speed, provides dependable line-rate storage performance for legacy enterprise platforms, accelerating full-disk scans, OS boot, and large file retrieval without requiring a PCIe upgrade.
2. Up to 99,000 random read IOPS enables the drive to handle dense virtualized workloads and metadata-heavy applications with faster access to small-block data, improving VM responsiveness and database query concurrency.
3. A 1.3 DWPD endurance rating gives IT teams the write resilience needed for always-on business workloads, supporting stable service life under sustained daily data churn in mixed-use enterprise environments.
4. Samsung V2 (32-layer) TLC NAND delivers a balanced combination of capacity efficiency, cost control, and mature flash behavior, making it well suited for mainstream enterprise storage deployments that need predictable performance at scale.
5. With typical latency of 120 µs, the drive helps reduce storage wait time in transactional systems, supporting more consistent application response and smoother QoS under read-intensive workloads.
Lower-capacity reference: 240 GB Higher-capacity reference: 960 GB Within this enterprise SSD family, the 480 GB model sits in the sweet spot. Compared with the 240 GB version, it gives much better capacity headroom for OS images, application binaries, logs, and moderate data growth, reducing early replacement pressure. Compared with the 960 GB version, it preserves essentially the same enterprise-class read/write behavior and random IOPS profile while offering a more efficient balance of acquisition cost and usable space. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and utility volumes for roughly 40 to 60 virtual machines.
Q: Is MZ-8LM480A suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 700 TBW endurance, low 120 µs typical latency, and enterprise Samsung V2 TLC NAND, the MZ-8LM480A is suitable for moderately write-heavy database workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 1.3 full drive writes per day. For a 480 GB SSD, that equals about 624 GB of writes daily across the entire warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps protect in-flight data and mapping tables during sudden outages, reducing corruption risk and improving reliability for servers and RAID environments.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for database and business-critical workloads, balancing redundancy and performance. RAID 5 may fit read-focused use cases, but parity writes add overhead.