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| Brand | Samsung |
|---|---|
| Model | PM871 |
| Capacity | 256GB |
| Usage Class | Client |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | TLC V-NAND |
|---|---|
| Drive Writes Per Day | 0.16 |
| Total Bytes Written | 75 TBW |
| Sequential Read | 540 MB/s |
|---|---|
| Sequential Write | 280 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 74000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ7LN256HCHP |
|---|
The Samsung PM871 256GB (MZ7LN256HCHP-000H1) stands out in the SATA class by pairing TLC V-NAND with 540/280 MB/s throughput and up to 97K/74K IOPS, giving client and read-centric boot/application workloads a strong balance of responsiveness, endurance, and cost efficiency within a 75 TBW budget. Compared with the earlier MZ7LN256HCHP, the MZ7LN256HCHP-000H1 is best positioned as a later qualified revision that preserves the proven PM871 performance envelope while improving deployment consistency, firmware control, and replacement traceability for long-life OEM programs.
With an endurance rating of 75 TBW and 0.16 DWPD, this SSD is well suited for read-focused and typical client or boot-drive workloads, where daily write volumes are relatively modest. In practical terms, for use as an OS, application, or light-duty system drive, it can reliably support many years of normal operation and is generally sufficient for long-term deployment in stable write environments. For reliability, the specified UBER of 1.0E-15 means the drive is designed to maintain a very low uncorrectable bit error rate, supporting dependable data reads in everyday business use. This model does not include power loss protection (PLP), so while it is a solid choice for standard systems, it is best deployed where sudden power interruption risk is controlled through system-level safeguards such as a stable power supply or UPS.
1. The SATA interface, paired with near-bus-limit sequential read performance, enables straightforward drop-in upgrades for legacy enterprise servers and storage arrays without changing the existing backplane or controller design.
2. Its 97,000 K IOPS random read capability helps VDI, OLTP, and metadata-heavy workloads respond faster under concurrency, reducing queue buildup during peak access periods.
3. A 0.16 DWPD endurance rating makes it best suited for read-centric enterprise applications such as boot, web, and content-serving tiers where capacity efficiency matters more than sustained heavy overwrite activity.
4. TLC V-NAND provides a strong balance of density, power efficiency, and cost, making it a practical choice for scaling enterprise storage footprints while keeping $/GB under control.
5. The 50 µs typical latency supports snappier application response and more predictable QoS, which is especially valuable for virtualization clusters and latency-sensitive database reads.
For the Samsung MZ7LN256HCHP-000H1 256GB enterprise SSD, the nearest lower-capacity option in the same family is typically 128GB, while the next higher-capacity option is 512GB. Across this series, sequential read/write behavior and random IOPS are generally positioned in the same enterprise mainstream range. The 256GB model sits at the sweet spot of the lineup. Compared with the 128GB version, it offers much better headroom for OS images, logs, metadata, and application growth. Compared with the 512GB option, it preserves most of the practical enterprise performance profile while keeping acquisition cost and capacity overprovisioning under control. It is well suited for small-to-mid virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 light-duty virtual machines.
Q: Is MZ7LN256HCHP-000H1 suitable for a write-heavy database server?
A: Not recommended for write-heavy database workloads. With TLC V-NAND, 0.16 DWPD, and 75 TBW, this model is better suited for read-focused, light-duty, or general-purpose enterprise SATA applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Its endurance rating is 0.16 DWPD, meaning about 16% of the 256GB capacity can be written daily over the warranty period, equivalent to roughly 41GB of writes per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, this SSD does not include power loss protection. PLP is critical in enterprise environments because it helps prevent in-flight data loss and metadata corruption during unexpected power failures.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for better redundancy and stable performance. For read-oriented environments, RAID 5 may be considered, but write-intensive use is less ideal for this SSD.