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| Brand | Samsung |
|---|---|
| Model | 860 PRO Series |
| Capacity | 1TB |
| Usage Class | Consumer / Professional |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 7mm |
|---|
| NAND Flash | Samsung V-NAND 2bit MLC |
|---|---|
| Drive Writes Per Day | 0.66 |
| Total Bytes Written | 1200 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 100000 |
| Random Write IOPS | 90000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-7KE1T0BW |
|---|
The Samsung 860 PRO 1TB (MZ7KH1T0HAJR) is the right choice for write-intensive SATA deployments that still demand premium client-class consistency, combining Samsung V-NAND 2-bit MLC with 1200 TBW endurance, 560/530 MB/s sequential performance, and up to 100,000/90,000 IOPS. Compared with the previous-generation MZ-7KE1T0BW, it delivers a 4x increase in TBW while also improving sequential throughput, making it a stronger fit for workstation scratch space, content creation, and high-duty-cycle boot or cache tiers.
With an endurance rating of 1200 TBW and 0.66 DWPD, the MZ7KH1T0HAJR can sustain writing roughly 1.2 petabytes of data over its service life, which is more than sufficient for typical OS, application, boot, and general business workloads. In practical terms, for light to moderate daily write volumes, it can serve reliably for many years and is a comfortable fit as a system drive or read-focused business SSD. Its UBER specification of 1.0E-15 indicates a very low unrecoverable bit error rate, helping ensure strong data integrity and dependable operation in professional IT environments. This model does not include power-loss protection (PLP), so while it remains suitable for stable-power systems and standard business use, environments with frequent sudden outages or write-critical caching workloads should pair it with UPS protection or consider a PLP-equipped alternative.
1. The SATA 6Gb/s interface paired with 560 MB/s sequential read performance makes this drive a drop-in upgrade for enterprise servers that need faster boot, backup, and large-file access without changing existing SATA infrastructure.
2. With 100,000 random read IOPS, it can sustain highly concurrent database, VDI, and web-serving workloads while keeping application response times consistently sharp.
3. A 0.66 DWPD endurance rating gives data centers a practical balance of write tolerance and cost efficiency for mixed-read enterprise workloads that run every day.
4. Samsung V-NAND 2bit MLC provides stronger write endurance and more predictable long-term reliability than TLC-based alternatives, making it well suited for business-critical storage tiers.
5. The typical latency of 100 µs helps reduce I/O wait time, enabling smoother transaction processing and more stable performance under latency-sensitive enterprise applications.
Lower-capacity reference: 480GB Higher-capacity reference: 1.92TB In this enterprise SSD family, the 1TB model sits at the practical sweet spot. Compared with the 480GB version, it gives noticeably more headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure. Compared with the 1.92TB option, it keeps acquisition cost and $/workload more controlled while delivering essentially the same mainstream enterprise SATA performance profile. It is best suited for small-to-mid virtualization clusters, such as hosting boot and general-purpose data volumes for about 40 to 60 business application instances.
Q: Is MZ7KH1T0HAJR suitable for a write-heavy database server?
A: MZ7KH1T0HAJR can support moderate enterprise database workloads, but for truly write-heavy database servers, its 0.66 DWPD may be limiting. It is better suited to mixed-read/write applications than sustained intensive writes.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated at 0.66 DWPD, meaning it can handle about 0.66 full-drive writes per day during its warranty period. For a 1TB model, that equals roughly 660GB writes daily.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, this model does not include power loss protection. PLP is critical in enterprise environments because it helps prevent in-flight data loss and metadata corruption during sudden power failure events.
Q: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 1 or RAID 10 is generally recommended with this SSD to improve redundancy and read performance. RAID 10 is preferred for databases requiring both protection and speed.