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| Brand | Samsung |
|---|---|
| Model | 850 PRO |
| Capacity | 2 TB |
| Usage Class | Client / Consumer |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 2nd-Gen 32-layer 3D MLC |
|---|---|
| Drive Writes Per Day | 0.41 |
| 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 | 50 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ7M32T0HALC |
|---|
Compared with the previous-generation MZ7M32T0HALC, the Samsung 850 PRO 2TB upgrades to 2nd-Gen 32-layer V-NAND 3D MLC, delivering a stronger endurance profile at 450 TBW with higher sustained SATA performance of up to 550/520 MB/s and 100,000/90,000 IOPS on the same 6.0 Gbps interface. Its unique value in the SATA tier is combining true 2 TB capacity with prosumer-class write durability and low-latency random I/O, making it a better fit than older planar-NAND models for write-intensive workstations, content creation scratch storage, and mixed read/write caching tiers.
With an endurance rating of 450 TBW and 0.41 DWPD, the MZ-7KE2T0 is well suited for typical read-focused enterprise or client workloads, including OS boot, application hosting, and general-purpose system disk use. In practical terms, this level of endurance is sufficient for many standard system-drive deployments over a long service life, and under normal daily write volumes it can comfortably support years of stable operation. From a reliability perspective, the specified UBER of 1.0E-15 indicates a very low probability of unrecoverable bit errors, helping ensure dependable data reads in day-to-day operation. This model does not include power loss protection (PLP), so while it remains a solid choice for non-cache, non-transaction-critical roles, applications requiring in-flight write protection during sudden power interruption should use platforms with system-level power safeguarding or select a PLP-equipped SSD.
1. The SATA 6.0 Gbps interface, paired with 550 MB/s sequential read performance, provides a drop-in upgrade path for legacy enterprise platforms while accelerating OS boot, patching, backup restore, and large-file access.
2. With 100,000 random read IOPS, the drive sustains fast response under highly concurrent small-block workloads, making it well suited for OLTP databases, virtualization, and read-heavy application servers.
3. A 0.41 DWPD endurance rating fits read-centric enterprise deployments by supporting predictable long-term operation in boot, cache, content delivery, and analytics environments with moderate daily write pressure.
4. Samsung V-NAND 2nd-Gen 32-layer 3D MLC delivers a strong balance of endurance, consistency, and power efficiency, helping data centers maintain stable performance and lower replacement risk versus client-grade flash.
5. A typical latency of 50 µs minimizes storage wait time for each I/O, improving transaction responsiveness and helping latency-sensitive business applications feel consistently snappier under load.
Lower-capacity reference: 960 GB Higher-capacity reference: 3.84 TB In this enterprise SSD family, the 2 TB model sits at the practical sweet spot. Compared with the 960 GB version, it gives much better headroom for VM growth, log retention, and mixed application datasets, reducing the need for early capacity expansion. Compared with the 3.84 TB model, it preserves nearly the same enterprise-grade sequential throughput and random IOPS while keeping acquisition cost and per-node storage budgets under tighter control. It is especially well suited for mid-sized virtualization clusters, such as hosting boot and application volumes for around 60 to 80 business workloads.
Q: Is MZ-7KE2T0 suitable for a write-heavy database server?
A: MZ-7KE2T0 is better suited for mixed or read-intensive workloads. With 0.41 DWPD and 450 TBW, it may be limiting for sustained write-heavy database servers over long-term deployment.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 0.41 DWPD, meaning about 0.41 full drive writes per day. For a 2 TB SSD, that equals roughly 0.82 TB of writes daily.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, this SSD does not include power loss protection. PLP is critical in enterprise environments because it helps prevent in-flight data loss and reduces metadata corruption during sudden outages.
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 improve redundancy and uptime, which is especially important since this model lacks PLP.