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| Brand | Samsung |
|---|---|
| Model | 860 PRO |
| Capacity | 512 GB |
| 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 2-bit MLC |
|---|---|
| Drive Writes Per Day | 0.65 |
| Total Bytes Written | 600 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 100000 |
| Random Write IOPS | 90000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZWLR1T9HBJR-00AD3 |
|---|
The Samsung 860 PRO 512GB (MZ-76P512BW) is a strong choice for write-intensive workstation boot, metadata, and edge-cache tiers, combining near-saturated SATA 6.0 Gbps performance at 560/530 MB/s with 100,000/90,000 IOPS and the higher endurance profile of Samsung V-NAND 2-bit MLC at 600 TBW (0.65 DWPD). Compared with MZWLR1T9HBJR-00AD3, it delivers a newer-generation SATA platform with a better balance of low-latency random I/O, sustained write behavior, and client-deployable density, making it the safer upgrade where consistency and endurance matter more than raw capacity.
With an endurance rating of 600 TBW (0.65 DWPD), the MZ-76P512BW can sustain about 164 GB of writes per day for 10 years, which is far above the write volume of a typical OS, office, or application drive. In practical terms, for common system-disk workloads, this SSD provides long service life with ample endurance headroom and can be deployed with confidence for many years of normal use. The drive’s UBER of 1.0E-15 means the expected rate of unrecoverable read errors is extremely low, supporting dependable data access, while the 1.5 million hour MTBF further reflects solid overall device reliability. This model does not include power-loss protection (PLP), so it is best suited to boot, read-intensive, and general-purpose workloads rather than applications that require protection of in-flight writes during sudden power interruption.
1. The SATA 6.0 Gbps interface enables drop-in deployment across mainstream enterprise servers and storage arrays, simplifying upgrades without changing existing backplanes or controllers.
2. With 560 MB/s sequential read performance, the drive accelerates OS boot, database warm-up, and large-file retrieval in read-intensive business workloads.
3. Delivering 100,000 random read IOPS with a typical latency of 50 µs, it keeps transactional databases, virtual desktops, and metadata-heavy applications consistently responsive under scattered access patterns.
4. Rated at 0.65 DWPD, the endurance profile is well suited to read-centric enterprise environments that need predictable service life and lower replacement frequency.
5. Samsung V-NAND 2-bit MLC provides stronger write consistency and durability than TLC-based alternatives, making it a better fit for business-critical caching, logging, and always-on server workloads.
In the MZ-76P series, the nearest lower capacity reference is 256 GB (MZ-76P256BW) and the nearest higher capacity reference is 1 TB (MZ-76P1T0BW). The 512 GB MZ-76P512BW is the sweet-spot option in this lineup: it offers noticeably better space headroom than 256 GB for OS images, logs, and application growth, while avoiding the higher acquisition cost of the 1 TB version. Since sequential throughput and random IOPS are broadly similar across these capacities, 512 GB delivers the best cost-performance balance for mid-scale deployments, such as a compact virtualization cluster or a 20- to 30-node edge application environment.
Q: Is MZ-76P512BW suitable for a write-heavy database server?
A: It can support moderate enterprise workloads, but it is not ideal for heavily write-intensive database servers. Its 0.65 DWPD and lack of PLP make higher-endurance enterprise SSDs a safer choice.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 0.65 DWPD, meaning it can handle about 0.65 full drive writes per day during its warranty period, aligned with its 600 TBW endurance specification.
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 server environments because it helps prevent in-flight data loss and metadata corruption during unexpected power failures.
Q: What RAID level is recommended for this SSD?
A: For most server deployments, RAID 1 or RAID 10 is recommended to balance redundancy and performance. RAID 10 is generally preferred for database workloads requiring stronger fault tolerance and speed.