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| Brand | Samsung |
|---|---|
| Model | 870 EVO |
| Capacity | 2 TB |
| Usage Class | Consumer/Mainstream |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | Samsung V6 (128L) TLC |
|---|---|
| Drive Writes Per Day | 0.3 |
| Total Bytes Written | 1200 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 88000 |
| 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-76E2T0BW |
|---|
Compared with the previous-generation MZ-76E2T0BW, the MZ-77E2T0E upgrades to Samsung V6 128-layer TLC and raises peak sequential performance from 550/520 MB/s to 560/530 MB/s while maintaining the same 1200 TBW endurance at 2 TB. For engineers standardizing on SATA, the 870 EVO 2 TB is the stronger drop-in choice for workstation boot volumes, content libraries, and mixed client workloads, delivering near–SATA-limit throughput with 98,000/88,000 IOPS and higher NAND density than its predecessor.
With an endurance rating of 1,200 TBW and 0.3 DWPD, this SSD is well suited for typical client and light business workloads such as OS boot, office applications, email, web access, and routine file storage. In practical terms, for use as a system drive, it can comfortably support many years of normal daily operation, making it a dependable choice for long-life desktop or notebook deployments. From a reliability standpoint, the specified UBER of 1.0E-17 indicates a very low unrecoverable bit error rate, helping ensure strong data integrity during normal read operations, while the 1.5 million hour MTBF further reflects solid long-term operational stability. This model does not include power-loss protection (PLP), which means it is best suited to environments with stable power or upstream UPS protection rather than write-critical enterprise workloads where in-flight data must be preserved during sudden outages.
1. The SATA 3.0 6Gb/s interface, paired with 560 MB/s sequential read performance, provides a drop-in upgrade path for existing enterprise storage nodes while accelerating large-file access, backup restores, and boot volume reads without requiring a PCIe platform change.
2. With 98,000 K IOPS random read capability, this SSD can sustain highly concurrent small-block workloads such as virtual desktop images, OLTP queries, and metadata-heavy application access with faster response under queue pressure.
3. A 0.3 DWPD endurance rating makes it well suited to read-centric enterprise deployments, helping lower cost per terabyte for content delivery, boot, logging, and analytics tiers where write intensity is moderate rather than constant.
4. Samsung V6 (128L) TLC NAND combines high flash density with mature enterprise-grade efficiency, enabling a strong balance of capacity, power profile, and predictable performance for scale-out server storage.
5. The 100 µs typical latency supports consistently quick access to hot data, reducing tail-response delays that can otherwise slow VM responsiveness, transaction handling, and user-facing application performance.
Lower capacity reference: 1 TB Higher capacity reference: 4 TB In the MZ-77E series, the 2 TB model sits at the sweet spot of the lineup. Compared with the 1 TB version, it provides much better headroom for OS images, application data, logs, and future growth, reducing the risk of early capacity pressure. Compared with the 4 TB model, it delivers nearly the same mainstream sequential and random performance while keeping acquisition cost and capacity utilization more efficient. It is best suited for mid-sized deployments, such as shared boot and application storage for about 40 to 60 virtual desktop users.
Q: Is MZ-77E2T0E suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD, TLC NAND, and no power loss protection, MZ-77E2T0E is better suited for read-centric or mixed workloads rather than intensive write-heavy database server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Its endurance rating is 0.3 drive writes per day, meaning about 0.6 TB of writes daily for this 2 TB SSD over the manufacturer’s warranty period.
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 for transactional and enterprise workloads.
Q: What RAID level is recommended for this SSD?
A: For most business applications, RAID 1 or RAID 10 is recommended to improve redundancy and performance. RAID 5 is possible, but parity writes may increase wear on this SSD.