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| Brand | Samsung |
|---|---|
| Model | 860 EVO |
| Capacity | 2 TB |
| 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 3-bit TLC |
|---|---|
| Drive Writes Per Day | 0.33 |
| Total Bytes Written | 1200 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 90000 |
| Average Latency | 45 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-76E2T0BW |
|---|
The Samsung 860 EVO 2 TB (MZ-76E2T0E) is a strong recommendation for SATA-bound workstation and mixed client workloads, combining near-interface-limit throughput of 550/520 MB/s with 98,000/90,000 IOPS and a robust 1,200 TBW rating on Samsung V-NAND 3-bit TLC. Compared with the earlier MZ-76E2T0BW revision, MZ-76E2T0E is the later 860 EVO 2 TB deployment choice, offering the advantage of a more current production/firmware build while preserving the platform’s standout endurance and consistent high-capacity SATA performance.
With an endurance rating of 1200 TBW and 0.33 DWPD, the MZ-76E2T0E is designed to handle typical OS, application, and general business workloads with ample margin over its service life. In practical terms, for a 2TB drive this level of endurance is more than sufficient for long-term use as a system or boot drive, and under normal everyday write volumes it can support many years of reliable operation. For reliability, the drive is rated at 1.5 million hours MTBF and an UBER of 1.0E-15, meaning the expected rate of unrecoverable read errors remains very low and aligned with standard SATA SSD deployment expectations. This model does not include power-loss protection, so it is best suited for environments with stable power or upstream power safeguards such as UPS systems, while still offering dependable performance for non-cache, non-transaction-critical applications.
1. The SATA 6.0 Gbps interface, paired with 550 MB/s sequential read performance, makes this drive an easy drop-in upgrade for legacy enterprise servers that need faster boot, backup, and large-file access without changing the storage backplane.
2. With 98,000 K IOPS in random reads, it can sustain responsive performance for virtual machines, metadata-heavy applications, and read-centric database workloads under multi-user concurrency.
3. A 0.33 DWPD endurance rating is well suited to read-dominant enterprise deployments such as content delivery, boot volumes, and analytics replicas, where predictable service life matters more than heavy daily overwrites.
4. Samsung V-NAND 3-bit TLC balances density, power efficiency, and cost, giving enterprises a practical way to scale SSD capacity while maintaining dependable flash behavior for mainstream data center use.
5. The 45 µs typical latency helps reduce storage wait time at the transaction level, improving application responsiveness and delivering more consistent QoS in latency-sensitive server workloads.
For the Samsung 860 EVO series, the adjacent capacity points around MPN MZ-76E2T0E (2 TB) are 1 TB as the next lower tier and 4 TB as the next higher tier. Across the series, sequential performance is broadly consistent at up to 550 MB/s read and 520 MB/s write, with random performance typically up to 98K read IOPS and 90K write IOPS. The 2 TB model sits at the sweet spot of the 860 EVO family. Compared with the 1 TB version, it gives noticeably more headroom for OS images, application growth, and snapshot retention, reducing early capacity pressure. Compared with the 4 TB option, it delivers nearly the same everyday SATA-limited performance while keeping acquisition cost and fleet standardization more manageable. It is best suited for mid-sized virtualization or edge clusters, such as hosting boot and application volumes for roughly 40 to 60 lightweight virtual machines.
Q: Is MZ-76E2T0E suitable for a write-heavy database server?
A: Not ideally. With 0.33 DWPD, TLC NAND, and no PLP, MZ-76E2T0E is better suited for read-intensive or mixed workloads rather than sustained 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 0.33 drive writes per day, meaning roughly one-third of its 2 TB capacity can be written daily over the warranty period, totaling 1200 TBW.
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 database systems.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is typically recommended, depending on performance and redundancy needs. For business-critical data, these levels provide better fault tolerance than RAID 0.