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| Brand | Samsung |
|---|---|
| Model | 850 PRO |
| Capacity | 2 TB |
| Usage Class | Consumer/Professional |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | Samsung V2 (32L) MLC |
|---|---|
| Drive Writes Per Day | 0.4 |
| Total Bytes Written | 450 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 100000 |
| Random Write IOPS | 90000 |
| Average Latency | 150 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-7KE1T0BW |
|---|
Compared with the MZ-7KE1T0BW, the MZ-7KE2T0BW 850 PRO doubles usable capacity to 2 TB while sustaining near-saturation SATA 6Gb/s performance at 550/520 MB/s and 100,000/90,000 IOPS, making it a clean density upgrade with no platform change. With Samsung V2 (32L) MLC NAND, 0.4 DWPD, and 450 TBW endurance, it also delivers a stronger long-term write profile than typical same-class TLC SATA SSDs, making it a better fit for read-intensive virtualization, workstation scratch, and mixed client workloads.
With an endurance rating of 450 TBW, this 2 TB SSD can sustain roughly 120 GB of host writes per day for 10 years, which is comfortably above the write volume of a typical OS, office, and application drive. In practical procurement terms, for read-heavy to mixed everyday workloads such as boot, software deployment, local caching, and general business use, this endurance level provides ample headroom and should not be a concern. From a reliability perspective, the 1.0E-15 UBER specification means the drive is designed for a very low unrecoverable bit error rate, helping maintain data integrity during normal operation, while the 2 million hour MTBF reflects strong component-level reliability. This model does not include power-loss protection (PLP), so for environments where sudden power interruption is possible, it is best deployed with clean shutdown practices or upstream UPS protection rather than in write-critical enterprise applications.
1. The SATA enterprise interface enables seamless deployment in legacy and mixed-server environments, giving data centers a low-risk upgrade path without changing existing backplanes or storage architectures.
2. Its sustained sequential read performance accelerates bulk data access, helping analytics platforms, media repositories, and backup recovery jobs complete faster.
3. Strong random read capability supports dense virtualization and database workloads by keeping transaction response times consistent under heavy concurrent access.
4. With an endurance profile tuned for read-centric operations, it is well suited to content delivery, boot, and reporting tiers where predictable reliability matters more than intensive daily overwrites.
5. Built on Samsung’s enterprise MLC V-NAND and backed by low typical latency, it delivers a balanced mix of data integrity, steady QoS, and faster application responsiveness in business-critical systems.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB In this enterprise SSD family, the 2 TB model sits at the sweet spot. Compared with the 960 GB version, it gives substantially more headroom for OS images, logs, hot data, and growth without forcing early expansion. Compared with the 3.84 TB option, it usually delivers the best balance of acquisition cost, usable capacity, and steady enterprise-class performance, since sequential throughput and random IOPS stay broadly similar across the range. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ-7KE2T0BW suitable for a write-heavy database server?
A: Not ideally. With 0.4 DWPD and 450 TBW, this 2 TB SATA SSD is better for read-intensive or mixed workloads than sustained write-heavy database server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 0.4 full drive writes per day. For a 2 TB model, that equals about 0.8 TB of writes daily over the warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. Power loss protection is critical because it helps prevent in-flight data loss and metadata corruption during unexpected power interruptions.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended, depending on capacity and performance needs. These levels provide redundancy and better protection, especially since the drive lacks PLP.