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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 its predecessor MZ-76E2T0BW, the MZ-77E2T0B/AM 870 EVO upgrades to Samsung V6 128-layer TLC and pushes SATA performance to 560/530 MB/s, delivering a closer-to-bus-limit response profile while maintaining 1200 TBW endurance at 2 TB. This makes it a stronger drop-in choice for workstation boot drives, content-creation scratch storage, and read-heavy edge systems that need mature SATA compatibility, high random performance up to 98K/88K IOPS, and long service life.
With an endurance rating of 1,200 TBW and 0.3 DWPD, this 2TB SSD can sustain about 600GB of writes per day throughout its warranty endurance profile, which is more than sufficient for typical OS, office, application, and general business workloads. In practical terms, for use as a boot drive or mainstream workstation/system disk, this level of endurance provides long service life with substantial write headroom and should comfortably support many years of normal operation. Its UBER specification of 1.0E-17 indicates an extremely low unrecoverable bit error rate, meaning the drive is designed to deliver very high data integrity during reads, which is an important reliability characteristic for professional and business environments. This model does not include power-loss protection (PLP), so while it is well suited for client and non-cache-critical use cases, applications with frequent unexpected power interruptions or strict in-flight write protection requirements should use systems with stable power or add upstream power safeguards.
1. The mature SATA interface, paired with near-saturation sequential read performance, makes this drive an easy drop-in choice for legacy enterprise platforms that need faster boot, backup, and dataset access without changing the storage stack.
2. Its strong random read capability helps VDI, virtualization clusters, and read-heavy databases respond faster during boot storms, cache lookups, and peak concurrency.
3. The read-centric endurance profile is best suited to workloads such as content delivery, analytics queries, and reference-data serving, where daily writes are modest but steady availability matters.
4. Samsung’s high-layer TLC NAND provides a practical balance of capacity, cost efficiency, and fleet-scale consistency, making it well aligned with mainstream enterprise storage tiers.
5. Low typical latency supports more predictable application response times, which is especially valuable for transactional systems, metadata-intensive workloads, and latency-sensitive caching layers.
Lower capacity reference: 1 TB Higher capacity reference: 4 TB In the MZ-77E series, the 2 TB model sits at the sweet spot. Compared with the 1 TB version, it gives much more headroom for OS images, application stacks, logs, and steady data growth, reducing the need for early drive expansion. Compared with the 4 TB option, it preserves nearly the same mainstream sequential and random performance profile while offering a more efficient cost-to-capacity balance. This makes 2 TB especially well suited for mid-scale virtualization hosts, edge servers, or compact database nodes supporting roughly 40 to 60 light business workloads.
Q: Is MZ-77E2T0B/AM suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD, TLC NAND, and no PLP, this SSD is better suited for read-focused or light mixed workloads than sustained 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 DWPD, meaning about 0.3 full drive writes per day. For a 2 TB model, that equals roughly 600 GB of writes daily.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. PLP is critical in enterprise workloads because it helps protect in-flight data and metadata from corruption during unexpected power interruptions.
Q: What RAID level is recommended for this SSD?
A: For general deployment, RAID 1 or RAID 10 is recommended for better redundancy and recovery. RAID 10 is preferable for performance-sensitive workloads; avoid parity RAID in write-heavy scenarios.