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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 MZ7LN256HCHP-000D1 is a strong 256GB SATA choice for read-centric client and light mixed-use deployments, pairing TLC V-NAND with near-interface-limit 540 MB/s sequential read performance and solid 97K/74K IOPS to deliver better real-world responsiveness than many entry SATA SSDs in its class. Compared with the earlier MZ7LN256HCHP, the -000D1 revision offers the key generational advantage of a newer, qualification-friendly BOM/firmware refresh while preserving the proven PM871 performance and 75 TB endurance profile, making it the safer drop-in option for long-life fleet maintenance and controlled OEM builds.
With an endurance rating of 75 TBW, this 256GB SSD can sustain about 20GB of host writes per day for 10 years, or roughly 40GB per day for 5 years, which is more than sufficient for typical OS, boot, office, and general read-heavy workloads. In practical terms, for use as a system drive or light-duty business SSD, this endurance level provides comfortable write headroom under normal daily operation. This model does not include power-loss protection (PLP), so it is best suited to environments with orderly shutdown control or UPS support rather than write-critical applications where in-flight data must be protected during sudden power failure. Its UBER specification of 1.0E-15 and MTBF of 1.5 million hours indicate a mature, stable storage platform with a low expected uncorrectable bit error rate and solid long-term operating reliability for mainstream business deployments.
1. The SATA interface, paired with near-bus-limit 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 changing platform architecture.
2. Its 97,000K random read IOPS capability helps accelerate metadata-heavy workloads such as virtualization, web hosting, and database indexing by serving large volumes of small read requests with minimal queue buildup.
3. With a 0.16 DWPD endurance profile, this SSD is best aligned with read-centric enterprise deployments like content delivery, OS boot pools, and reference datasets where capacity and efficiency matter more than sustained write intensity.
4. TLC V-NAND enables a balanced mix of density, power efficiency, and cost control, making it well suited for organizations scaling storage across many nodes while maintaining dependable enterprise flash behavior.
5. A typical latency of 50 µs supports consistently responsive application performance, reducing storage wait time in transaction flows and improving user experience in latency-sensitive business systems.
Lower capacity reference: 128GB Higher capacity reference: 512GB Within this SSD family, the 256GB model sits at the practical sweet spot. Compared with the 128GB version, it gives noticeably better space flexibility for OS images, logs, swap, and application growth, reducing early capacity pressure. Compared with the 512GB option, it keeps acquisition cost and fleet-level budget under tighter control while delivering essentially the same enterprise-class sequential and random I/O behavior. This makes 256GB a balanced choice for mid-scale deployments, such as boot and service drives for about 40 to 60 lightweight virtualized application nodes.
Q: Is MZ7LN256HCHP-000D1 suitable for a write-heavy database server?
A: No. With TLC V-NAND, 0.16 DWPD, and 75 TBW, this 256GB SATA SSD is better suited for read-intensive or light mixed workloads, not sustained write-heavy database environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated at 0.16 DWPD, meaning about 16% of the full 256GB capacity can be written daily over the warranty period, roughly 41GB of writes per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. This matters because sudden power failure may leave in-flight data unwritten, increasing the risk of data loss or metadata inconsistency in enterprise applications.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for this SSD, depending on capacity needs. These levels improve redundancy and availability, which is especially important since the drive lacks PLP.