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| Brand | Samsung |
|---|---|
| Model | 850 PRO |
| Capacity | 1 TB |
| Usage Class | Client / Consumer |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D MLC |
|---|---|
| Drive Writes Per Day | 0.3 |
| Total Bytes Written | 300 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 | MZ-7PD512 |
|---|
Compared with the earlier MZ-7PD512, the Samsung 850 PRO MZ-7KE1T0 doubles usable capacity to 1 TB and advances to Samsung V-NAND 3D MLC, delivering a stronger endurance profile at 300 TBW while sustaining near-SATA-limit 550/520 MB/s throughput and 100,000/90,000 IOPS. It is an excellent fit for read-intensive virtualization hosts, workstation scratch volumes, and mixed client-professional workloads that need higher capacity and more consistent long-term reliability without moving beyond the SATA 6Gb/s ecosystem.
With an endurance rating of 300 TBW, the MZ-7KE1T0 can sustain about 82 GB of host writes per day for 10 years, which is more than sufficient for typical OS, office, and general business application workloads. In practical terms, this makes it a dependable choice as a system or boot drive, and for many standard read-heavy deployments it should operate comfortably within its write budget over its service life. For reliability, the drive is specified at an UBER of 1.0E-15, meaning the probability of an uncorrectable bit error is extremely low and aligned with solid enterprise storage expectations, while the 2 million hour MTBF further supports long-term operational confidence. This model does not include power-loss protection (PLP), so while it remains suitable for many non-critical or properly protected environments, systems with frequent write caching or strict in-flight data protection requirements should use a stable power design such as a UPS or consider a PLP-equipped SSD.
1. The SATA 6Gb/s interface enables broad drop-in compatibility with mainstream enterprise servers and storage arrays, making this drive a practical upgrade for legacy infrastructure without platform changes.
2. Its top-end sequential read performance speeds up boot storms, large dataset staging, and backup restore workflows, helping read-heavy applications finish sooner.
3. Strong random read capability supports dense virtual machines, OLTP databases, and metadata-heavy workloads with faster access to small-block data at scale.
4. The endurance profile is best suited to read-centric enterprise deployments such as content delivery, analytics serving, and reference data tiers where write pressure is moderate.
5. Samsung V-NAND 3D MLC combined with very low typical latency provides enterprise-grade flash consistency, helping reduce storage response time and improve application predictability under load.
Within the same series, the nearest lower capacity is 960 GB, and the next higher capacity is 1.92 TB. For a 1 TB class enterprise SSD, this is the sweet spot: it offers noticeably more headroom than 960 GB for OS images, logs, growth, and overprovisioning, while avoiding the higher acquisition cost of 1.92 TB when that extra capacity is not fully utilized. Since sequential throughput and random IOPS remain broadly similar across these capacities, the 1 TB model is the most balanced choice for mid-scale deployments, such as a 12- to 16-node virtualized application cluster.
Q: Is MZ-7KE1T0 suitable for a write-heavy database server?
A: The MZ-7KE1T0 is better suited for read-intensive or mixed workloads. With 0.3 DWPD and 300 TBW, it is generally not the best choice for write-heavy database server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 0.3 drive writes per day, meaning about 300 GB of writes daily on a 1 TB drive over its warranty period, consistent with the 300 TBW endurance rating.
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 important in enterprise systems 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 typically recommended for this SSD when redundancy and performance are required. For read-focused applications, RAID 5 may be considered, but write penalties should be evaluated.