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| Brand | Samsung |
|---|---|
| Model | 845DC PRO |
| Capacity | 800 GB |
| Usage Class | Write Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 24-layer 2-bit MLC |
|---|---|
| Drive Writes Per Day | 10 |
| Total Bytes Written | 14600 TBW |
| Sequential Read | 530 MB/s |
|---|---|
| Sequential Write | 460 MB/s |
| Random Read IOPS | 92000 |
| Random Write IOPS | 51000 |
| Average Latency | 45 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7PD512 |
|---|
Compared with the MZ-7PD512 generation, the Samsung 845DC PRO MZ-7WD800 increases usable capacity from 512 GB to 800 GB while advancing to 24-layer 2-bit MLC V-NAND, delivering a stronger enterprise SATA balance of density, endurance, and sustained write reliability. With 10 DWPD, 14,600 TBW, up to 530/460 MB/s sequential performance, and 92,000/51,000 IOPS, it is a particularly strong fit for write-intensive OLTP databases, virtualization clusters, and logging tiers that need near-SAS-class endurance on a SATA 6Gb/s platform.
With an endurance rating of 14,600 TBW and 10 DWPD, the MZ-7WD800 is designed for sustained heavy write workloads and can comfortably support demanding enterprise applications throughout its service life. In practical terms, under typical OS, logging, database, or virtualization workloads, this level of endurance means the drive can serve as a highly dependable system or cache drive for many years without write-life concerns. The MZ-7WD800 also includes enterprise-grade power loss protection, which helps preserve in-flight data and protect metadata integrity during unexpected power interruptions. Its UBER of 1.0E-17 and MTBF of 2 million hours indicate an exceptionally low probability of unrecoverable bit errors and strong long-term operational reliability, giving procurement teams added confidence in data integrity and platform stability.
1. The SATA 6Gb/s interface enables straightforward drop-in deployment across legacy and mainstream enterprise storage platforms, reducing upgrade friction in server refresh cycles.
2. With sequential reads up to 530 MB/s, the drive accelerates large-file access such as VM image loading, backup restores, and analytics dataset streaming.
3. Delivering 92,000 random read IOPS, it supports highly responsive performance for metadata-heavy databases, virtual desktop pools, and read-intensive transactional workloads.
4. Rated for 10 DWPD, this SSD is built for sustained write-heavy enterprise use, making it well suited for logging, caching, and mixed-workload data center applications with demanding endurance requirements.
5. Samsung V-NAND 24-layer 2-bit MLC combined with 45 µs typical latency provides a strong balance of flash reliability and fast response time, helping reduce storage bottlenecks in latency-sensitive business systems.
Lower capacity reference: 400 GB Higher capacity reference: 1.6 TB Within this series, the 800 GB model is the sweet spot for mainstream enterprise deployment. Compared with the 400 GB version, it gives much better headroom for OS images, logs, metadata, and steady application growth, reducing early capacity pressure. Compared with the 1.6 TB model, it keeps acquisition cost and replacement budgeting under tighter control while delivering essentially the same class of sequential and random performance. This makes 800 GB especially well suited for mid-sized virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 mixed-workload virtual machines.
Q: Is MZ-7WD800 suitable for a write-heavy database server?
A: Yes. MZ-7WD800 is well suited for write-heavy database workloads, thanks to its 10 DWPD endurance, 14,600 TBW rating, low 45 µs latency, and enterprise-grade Samsung 2-bit MLC V-NAND.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 10 full drive writes per day. With 800 GB capacity, that equals about 8 TB of writes daily across its specified warranty endurance period.
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, reducing corruption risk and improving reliability for enterprise databases, virtualization, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on your priority. For performance and redundancy, RAID 10 is commonly recommended. For higher usable capacity with protection, RAID 5 or RAID 6 may also be considered.