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| Brand | Samsung |
|---|---|
| Model | 870 EVO |
| Capacity | 1 TB |
| Usage Class | Client / Consumer |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3bit TLC |
|---|---|
| Drive Writes Per Day | 0.3 |
| Total Bytes Written | 600 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 88000 |
| Average Latency | 35 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-76E1T0B |
|---|
The Samsung 870 EVO 1TB (MZ-77E1T0B) pushes the SATA 6Gb/s interface close to its practical limit at 560/530 MB/s and 98,000/88,000 IOPS, making it a strong choice for client and workstation upgrades that need near-max SATA performance from proven Samsung V-NAND 3bit TLC. Compared with the previous-generation MZ-76E1T0B, it improves sequential throughput from 550/520 MB/s to 560/530 MB/s while preserving the same 600 TBW endurance, delivering higher usable bandwidth with no compromise in drive lifespan.
With an endurance rating of 600 TBW, this 1 TB SSD is designed to handle about 164 GB of writes per day for 10 years, or roughly 328 GB per day for 5 years, which is more than sufficient for typical OS, application, and general business workloads. Its 0.3 DWPD rating confirms that it is a solid choice as a system or boot drive, giving buyers confidence that normal daily use will remain well within the drive’s write endurance. The specified UBER of 1.0E-15 means the drive is engineered for a very low rate of uncorrectable read errors, supporting dependable data integrity for routine business use. This model does not include power-loss protection (PLP), so while it is well suited for standard client and non-transaction-intensive environments, systems that require protection for in-flight writes during sudden power loss should pair it with proper shutdown controls or UPS support.
1. The SATA interface makes this drive a low-risk drop-in upgrade for existing enterprise storage nodes, delivering near bus-limit throughput without requiring a platform refresh.
2. Its strong sequential read performance accelerates boot images, backup restores, and large dataset access in read-heavy business workloads.
3. The high random read capability helps virtual desktop, database, and metadata-intensive applications stay responsive under heavy concurrent access.
4. This endurance profile is best suited to read-centric deployments such as content delivery, analytics serving, and boot storage, where write pressure is moderate and predictable.
5. Samsung V-NAND TLC paired with very low typical latency provides a balanced mix of cost efficiency, consistent flash response, and dependable service times for enterprise operations.
Lower reference: 500 GB (MZ-77E500B) Higher reference: 2 TB (MZ-77E2T0B) Typical same-series performance: 500 GB: up to 560 MB/s read, 530 MB/s write, up to 98K/88K random read/write IOPS 1 TB: up to 560 MB/s read, 530 MB/s write, up to 98K/88K random read/write IOPS 2 TB: up to 560 MB/s read, 530 MB/s write, up to 98K/88K random read/write IOPS Capacity positioning analysis: In the 870 EVO family, the 1 TB model sits at the sweet spot. Compared with the 500 GB version, it gives much better headroom for OS images, application stacks, logs, and growth over a typical refresh cycle, reducing early capacity pressure. Compared with the 2 TB option, it preserves essentially the same SATA-level performance while keeping acquisition cost and fleet standardization more manageable. It is best suited for small to mid-size deployments, such as boot and application storage for around 25 to 40 general-purpose business servers or edge nodes.
Q: Is MZ-77E1T0B suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD, TLC NAND, SATA interface, and no PLP, this model is better for client, boot, or light-to-moderate mixed workloads than sustained write-heavy database server use.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 0.3 full drive writes per day, or about 300 GB of writes daily on the 1 TB model, with a total endurance specification of 600 TBW.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include power loss protection. PLP is critical in server environments because it helps prevent in-flight data loss, metadata corruption, and unexpected filesystem inconsistency during sudden power failure.
Q: What RAID level is recommended for this SSD?
A: For this SSD, RAID 1 or RAID 10 is generally recommended for better redundancy and stable performance. For write-heavy applications, avoid parity RAID like RAID 5 or RAID 6.