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| Brand | Samsung |
|---|---|
| Model | 860 EVO |
| Capacity | 1 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 | 600 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-76E1T0 |
|---|
The MZ-76E1T0BW 860 EVO 1TB is a near-SATA-limit client SSD that combines 550/520 MB/s sequential throughput with 98K/90K IOPS and a strong 600 TBW rating, making it a standout choice for boot drives, workstation upgrades, and mixed read/write desktop workloads that need higher endurance than typical value-tier TLC SATA SSDs. Compared with the earlier MZ-76E1T0, the MZ-76E1T0BW serves as a channel-refresh MPN that preserves the same proven Samsung V-NAND 3-bit TLC performance and 0.33 DWPD durability while offering a cleaner procurement path for standardized fleet deployments.
With an endurance rating of 600 TBW, the MZ-76E1T0BW can sustain a total of 600 terabytes of host writes before reaching its rated wear limit, which is ample for typical OS, office, and application workloads. In practical terms, even at 100 GB of writes per day, this equals more than 16 years of use, so for a system drive or general business PC, endurance is not expected to be a concern. From a reliability perspective, the specified UBER of 1.0E-15 means the drive is designed for a very low rate of unrecoverable bit errors, supporting dependable long-term data reads in normal operation. This model does not include power-loss protection (PLP), so while it is well suited for standard client and non-transactional workloads, environments with frequent unexpected power interruptions or write-critical caching requirements should use stable power infrastructure or consider a PLP-equipped SSD.
1. The SATA 6.0 Gbps interface, paired with 550 MB/s sequential read performance, provides a stable drop-in upgrade for enterprise boot, archive, and read-heavy application tiers where compatibility and predictable throughput matter more than PCIe-class bandwidth.
2. With 98,000 random read IOPS, this SSD can sustain fast response across highly fragmented access patterns, making it well suited for virtualization metadata, index lookups, and frequently queried databases.
3. Its 0.33 DWPD endurance rating aligns with read-centric enterprise workloads, offering cost-efficient long-term deployment for content delivery, system images, and analytics datasets with limited daily overwrite pressure.
4. Samsung V-NAND 3-bit TLC balances density, power efficiency, and reliability, giving data centers a practical mix of capacity and value for large-scale fleet rollouts.
5. A typical latency of 45 µs helps reduce storage wait time at the transaction level, supporting smoother VM responsiveness and more consistent application QoS under concurrency.
Lower capacity reference: 500 GB Higher capacity reference: 2 TB In the Samsung 860 EVO family, the 1 TB model sits at the practical sweet spot. Compared with the 500 GB version, it gives much more headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure. Compared with the 2 TB model, it preserves nearly the same everyday SATA performance profile while offering a more efficient cost-to-capacity balance. It is best suited for small to mid-sized deployments, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual desktops or lightweight service nodes.
Q: Is MZ-76E1T0BW suitable for a write-heavy database server?
A: Not ideally. With 0.33 DWPD, 600 TBW, and TLC V-NAND, MZ-76E1T0BW is better suited for general-purpose or read-heavy 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: This model is rated for 0.33 drive writes per day, meaning roughly one-third of its 1 TB capacity can be written daily over the warranty period within endurance specifications.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include power loss protection. PLP is important in enterprise environments because it helps prevent in-flight data loss or metadata corruption during unexpected power failures.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for this SSD, depending on capacity and performance needs. These levels provide redundancy and are well suited for SATA SSD reliability planning.