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| Brand | Samsung |
|---|---|
| Model | 870 QVO |
| Capacity | 8 TB |
| Usage Class | Consumer/Client |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | Samsung V5 (9xL) QLC |
|---|---|
| Drive Writes Per Day | 0.1 |
| Total Bytes Written | 2880 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 88000 |
| Average Latency | 150 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-76Q4T0BW |
|---|
Compared with the previous-generation MZ-76Q4T0BW, the MZ-77Q8T0BW doubles usable capacity to 8 TB and doubles rated endurance to 2,880 TBW, while still delivering SATA-saturating 560/530 MB/s throughput and up to 98K/88K IOPS. With Samsung V5 (9xL) QLC NAND, the 870 QVO is the better fit for high-density SATA refreshes where maximizing per-bay capacity and lowering $/TB are more important than write-intensive DWPD.
With an endurance rating of 2,880 TBW, this SSD can sustain a total of 2.88 petabytes of writes over its service life, which is more than sufficient for typical OS boot, office, edge, and read-focused storage workloads. In practical terms, for light to moderate daily write volumes, it can serve reliably as a system or application drive for many years without endurance becoming a concern. An UBER of 1.0E-15 means the drive is designed to deliver a very low rate of unrecoverable read errors, supporting dependable data access in normal business use. This model does not include power-loss protection (PLP), so it is best deployed in systems with controlled shutdown, UPS backup, or non-critical write caching requirements, where its reliability profile remains well suited for cost-sensitive deployments.
1. The SATA interface paired with top-end sequential throughput makes this drive an easy drop-in upgrade for legacy enterprise platforms, accelerating large file movement, backup staging, and OS image deployment without requiring a server backplane change.
2. Its strong random read capability supports VDI, boot storms, and read-heavy database lookups by keeping small-block access responsive even under highly concurrent workloads.
3. The light endurance profile is best suited to mostly read-centric environments such as content repositories, warm data tiers, and analytics datasets where write pressure remains modest and cost efficiency matters.
4. Samsung’s advanced QLC V-NAND enables very high capacity at lower cost per terabyte, making the drive attractive for scale-out storage pools that prioritize density over heavy write endurance.
5. The low typical latency helps reduce application wait time, improving responsiveness for virtualization, metadata access, and other enterprise workloads that are sensitive to storage delay.
Reference capacities in the same series for MPN MZ-77Q8T0BW (8 TB): Lower capacity: 4 TB Higher capacity: None in the same series; 8 TB is the largest 870 QVO SKU Typical performance positioning in the series: Sequential read/write: essentially the same across capacities, up to about 560/530 MB/s Random IOPS: broadly similar across capacities under normal enterprise-style SATA workloads Capacity positioning analysis: Within the 870 QVO family, the 8 TB model is the sweet spot for buyers who need substantial capacity without stepping into a different, more expensive product class. Compared with the 4 TB version, it provides far better space flexibility for VM boot volumes, file shares, and warm data tiers, reducing drive count and slot usage. Since there is no larger model in the same series, 8 TB effectively represents the best balance of cost efficiency, density, and saturated SATA performance. It is well suited for a mid-sized virtualization cluster of roughly 40 to 60 light-duty virtual machines.
Q: Is MZ-77Q8T0BW suitable for a write-heavy database server?
A: No. With QLC NAND, 0.1 DWPD, and no power loss protection, MZ-77Q8T0BW is better suited for read-intensive or mixed workloads rather than write-heavy database server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 0.1 DWPD, meaning about 0.8 TB of writes per day on an 8 TB drive over the warranty period, consistent with the 2880 TBW specification.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. This matters because PLP helps protect in-flight data and metadata during sudden power failure, which is especially important in enterprise or transactional systems.
Q: What RAID level is recommended for this SSD?
A: RAID 1, RAID 10, or RAID 5 can be considered depending on performance and redundancy needs, but for business-critical data, RAID 10 is generally the safer recommendation.