| Brand | Samsung |
|---|---|
| Model | PM863a |
| Capacity | 3.84 TB |
| 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 | 5600 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 480 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 24000 |
| Average Latency | 40 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM3T8HCJM |
|---|
The Samsung PM863a MZ7LM3T8HMLP0D3 is a strong fit for read-centric and mixed enterprise SATA deployments that need high capacity without sacrificing steady-state performance, delivering 3.84TB, 520/480 MB/s throughput, 97,000/24,000 IOPS, and 5,600TBW in a standard 6Gb/s footprint. Compared with the previous MZ7LM3T8HCJM generation, this PM863a leverages Samsung V-NAND 3D TLC and a newer controller/firmware platform to deliver a clearer endurance profile at 1.3 DWPD and more consistent enterprise QoS, making it the better choice for dense scale-out storage, virtualization, and content-serving nodes.
With an endurance rating of 5,600 TBW and 1.3 DWPD, the MZ7LM3T8HMLP0D3 is designed to handle sustained enterprise write workloads over its service life. In practical terms, for typical server or system-disk use, this level of endurance provides long-term headroom and can comfortably support many years of stable operation without endurance becoming a concern. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is unexpectedly interrupted. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low likelihood of unrecoverable bit errors and strong overall dependability for business-critical environments.
1. The SATA 6Gb/s interface paired with near-saturation sequential read performance makes this drive a drop-in upgrade for legacy enterprise platforms, speeding OS boot storms, VM image loading, and restore workflows without a server backplane redesign.
2. Its strong random read capability helps databases, virtualization clusters, and metadata-heavy applications return small-block data faster under concurrency, improving VM density and user responsiveness.
3. A 1.3 DWPD endurance rating supports sustained daily write activity across the warranty period, making it well suited for mixed-use enterprise workloads that need predictable lifecycle planning.
4. Samsung V-NAND 3D TLC provides a balanced mix of capacity, power efficiency, and reliability, enabling cost-effective scaling for read-centric and mixed enterprise storage tiers.
5. With a typical latency of 40 µs, the drive helps reduce tail-response time in transactional applications, so cache misses and read requests complete quickly enough to keep SLAs on track.
lower_capacity: 1.92 TB higher_capacity: 7.68 TB At 3.84 TB, this model sits in the sweet spot of the family. Compared with the 1.92 TB option, it gives noticeably more headroom for VM images, database growth, and log retention, reducing early capacity pressure without changing the expected enterprise SATA performance profile. Compared with the 7.68 TB version, it delivers a better balance of acquisition cost, usable capacity, and steady-state performance consistency for mainstream deployments. It is best suited for mid-scale virtualization, such as a 12- to 16-node cluster hosting around 180 to 250 general-purpose virtual desktops or mixed application workloads.
Q: Is MZ7LM3T8HMLP0D3 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 5,600 TBW endurance, Samsung V-NAND 3D TLC, and 40 µs typical latency, it is well suited for mixed and moderately write-heavy database workloads.
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 over its warranty period. For a 3.84 TB SSD, that equals about 5.0 TB of writes per day.
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 outages, reducing corruption risk and improving reliability in enterprise and database environments.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for transactional and database workloads, balancing performance and redundancy. RAID 1 is also suitable for smaller deployments, while RAID 5/6 prioritizes capacity efficiency.