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| Brand | Samsung |
|---|---|
| Model | PM863 |
| 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 32-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 5600 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 475 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 18000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM3T8HCJM |
|---|
Compared with the earlier MZ7LM3T8HCJM, the MZ-7LM3T80 PM863 delivers a clear generational step in SATA enterprise storage by combining 3.84TB capacity, Samsung 32-layer V-NAND TLC, and 5,600TB TBW with 1.3 DWPD for stronger endurance headroom and higher rack-level density. For read-centric to mixed virtualized workloads, its 520/475 MB/s sequential performance and up to 99,000/18,000 IOPS make it a more balanced choice than typical same-class SATA SSDs, especially where consistent capacity-per-slot and predictable long-life operation matter.
With an endurance rating of 5600 TBW and 1.3 DWPD, the MZ-7LM3T80 is built to handle sustained write-intensive use far beyond typical client or OS-drive workloads. In practical terms, for common enterprise system-boot, application, or read-heavy server scenarios, this level of endurance supports many years of stable operation with substantial write headroom. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and downtime. Its ultra-low UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates very strong data integrity and dependable long-term operation expected of enterprise-class SSDs.
1. The SATA 6.0 Gbps interface, paired with 520 MB/s sequential read speed, enables drop-in acceleration for legacy enterprise platforms, cutting bulk data access time without requiring a PCIe infrastructure refresh.
2. With 99,000 K IOPS random read performance, this drive sustains highly responsive access for metadata-heavy databases, virtual desktop pools, and read-intensive OLTP workloads under deep queue pressure.
3. A 1.3 DWPD endurance rating gives IT teams the confidence to run daily mixed-workload writes over years of service life, reducing replacement risk in always-on business environments.
4. Samsung V-NAND 32-layer 3D TLC combines higher bit density with enterprise-tuned reliability, delivering a practical balance of capacity efficiency, power profile, and predictable flash behavior at scale.
5. The 120 µs typical latency helps minimize storage wait states, supporting faster transaction completion and more consistent application response in latency-sensitive server workloads.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this model sits in the sweet spot of the series. Compared with the 1.92 TB version, it gives much better headroom for data growth, longer refresh cycles, and fewer capacity constraints in mixed-read/write enterprise workloads. Compared with the 7.68 TB option, it delivers nearly the same mainstream enterprise performance while keeping acquisition cost, rebuild exposure, and per-node storage budgeting under tighter control. It is especially well suited for mid-scale virtualization, such as hosting boot and application volumes for around 40 to 60 general-purpose virtual machines.
Q: Is MZ-7LM3T80 suitable for a write-heavy database server?
A: Yes. The MZ-7LM3T80 is suitable for write-intensive database workloads, thanks to its 1.3 DWPD endurance, 5600 TBW rating, low 120 µs latency, and enterprise-grade Samsung V-NAND design.
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. With 3.84 TB capacity, that equals about 5 TB of writes daily within the specified warranty endurance limits.
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, which is critical for preventing corruption and maintaining storage consistency in servers.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in database or virtualization environments, because it balances performance, redundancy, and rebuild efficiency better than parity-based RAID for write-heavy workloads.