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| Brand | Samsung |
|---|---|
| Model | PM863a |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 48-layer 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 | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7L3960B |
|---|
Compared with the earlier MZ-7L3960B, the Samsung PM863a MZ7LM3T8HMLP-00005 delivers a higher-density 3.84 TB SATA platform while sustaining near bus-limit 520/480 MB/s throughput and up to 97,000/24,000 IOPS, making it a stronger fit for server refreshes where slot efficiency matters. Its 48-layer Samsung V-NAND and 1.3 DWPD / 5,600 TBW endurance profile give it a clear advantage for read-heavy virtualization, content delivery, and mixed enterprise workloads that need better usable capacity per bay without moving off the SATA stack.
With an endurance rating of 5,600 TBW and 1.3 DWPD, the MZ7LM3T8HMLP-00005 is built to sustain heavy daily write activity over its service life, making it well suited for demanding enterprise workloads. In typical server or system-disk use, this level of endurance means buyers can expect long-term, worry-free operation, with ample write margin for many years of continuous deployment. From a reliability standpoint, built-in Power Loss Protection (PLP) helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption or unplanned downtime. Its enterprise-class UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates an extremely low probability of uncorrectable read errors and strong overall operational dependability for business-critical environments.
1. The SATA interface ensures broad drop-in compatibility with legacy enterprise servers and storage arrays, enabling cost-efficient SSD upgrades without changing the existing backplane or controller architecture.
2. Its strong sequential read performance accelerates large-block workloads such as database backups, virtual machine image loading, and analytics data scans, reducing wait time for throughput-heavy operations.
3. The high random read capability supports dense virtualized environments and read-intensive databases by sustaining fast access to small, scattered data blocks under heavy concurrency.
4. With enterprise-class write endurance, this drive can handle sustained daily write activity in mixed-workload applications, helping extend service life and lower replacement frequency in always-on deployments.
5. Samsung’s 3D TLC V-NAND combines higher flash density with optimized latency and power efficiency, delivering a practical balance of capacity, reliability, and cost for mainstream enterprise storage.
For the Samsung MZ7LM3T8HMLP-00005 3.84 TB enterprise SSD, the nearest lower capacity in the same family is 1.92 TB, and the next higher capacity is 7.68 TB. At 3.84 TB, this SSD sits in the sweet spot of the series. Compared with the 1.92 TB model, it gives much better capacity headroom for growing datasets, denser VM placement, and longer refresh cycles without changing the expected enterprise performance profile. Compared with the 7.68 TB version, it typically delivers a more attractive balance of acquisition cost, usable capacity, and steady-state performance. It is well suited for mid-scale virtualization clusters, mixed OLTP databases, or shared storage tiers supporting about 40 to 60 business applications.
Q: Is MZ7LM3T8HMLP-00005 suitable for a write-heavy database server?
A: Yes, it can support moderate to write-intensive database workloads. With 1.3 DWPD, 5600 TBW, low 120 µs latency, and enterprise Samsung V-NAND, it fits many business-critical server 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 drive writes per day. With 3.84 TB capacity, that equals about 4.99 TB of writes daily across the stated 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 metadata during sudden outages, reducing corruption risk and improving reliability for databases, virtualization, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for performance-sensitive and write-heavy workloads, offering both redundancy and strong IOPS. For capacity-focused deployments, RAID 5 or RAID 6 may also be considered.