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| Brand | Samsung |
|---|---|
| Model | 870 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 | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 88000 |
| 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 | MZILT800HAHQ-000D3 |
|---|
Compared with the previous MZILT800HAHQ-000D3, the MZ7L31T0HBLB 870 EVO steps up to 1 TB capacity and delivers SATA-saturating 560/530 MB/s throughput with up to 98,000/88,000 IOPS, making it a stronger upgrade for read/write-balanced boot, cache, and general-purpose application tiers. Its Samsung V-NAND 3-bit TLC and 600 TBW endurance give this drive a compelling balance of capacity, consistency, and write life versus older SATA generations, especially where you need dependable 24/7 operation without moving to NVMe.
With an endurance rating of 600 TBW and 0.33 DWPD, the MZ7L31T0HBLB is well suited for typical read-centric enterprise and commercial workloads, including OS boot, application hosting, and general server storage. In practical terms, this level of endurance means the drive can comfortably serve as a system or application disk for many years under normal daily usage, often supporting long-term deployment with confidence. From a reliability perspective, the drive is specified at 1.5 million hours MTBF and an UBER of 1.0E-15, meaning uncorrectable read errors are expected to be extremely rare in normal operation, which supports dependable data access in business environments. This model does not include power loss protection (PLP), so it is best deployed in systems with stable power infrastructure or higher-level data protection, while still offering solid enterprise-class reliability for non-PLP-critical use cases.
1. The SATA 6.0 Gbps interface, paired with near bus-saturating sequential read performance, makes this drive an easy drop-in upgrade for existing enterprise servers and storage arrays without requiring PCIe infrastructure changes.
2. Its 98,000 random read IOPS supports highly responsive virtualization, metadata, and read-heavy database workloads by reducing queue buildup under mixed enterprise access patterns.
3. The 0.33 DWPD endurance rating is well aligned with read-centric deployments such as boot, content serving, and scale-out storage tiers where capacity efficiency matters more than heavy daily overwrite tolerance.
4. Samsung V-NAND 3-bit TLC provides a strong balance of density, power efficiency, and cost, enabling lower $/TB for large fleet rollouts while maintaining enterprise-class reliability controls.
5. With a typical latency of 45 µs, the drive helps accelerate transaction handling and improve application responsiveness in environments where consistent access time matters more than peak bandwidth alone.
Lower capacity reference: 960 GB Higher capacity reference: 1.92 TB These capacities are the nearest adjacent options in the same enterprise SATA SSD family, and their sequential read/write performance and random IOPS are generally very close to the 1 TB model under typical enterprise workloads. Capacity positioning analysis: At 1 TB, this drive sits at the sweet spot of the series. Compared with 960 GB, it gives slightly better headroom for OS images, application binaries, logs, and short-term growth, reducing early capacity pressure in mixed server environments. Compared with 1.92 TB, it keeps acquisition cost and per-node storage spend under tighter control while delivering essentially the same class of enterprise SATA performance. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ7L31T0HBLB suitable for a write-heavy database server?
A: Not ideal for write-heavy database workloads. With 0.33 DWPD, 600 TBW, TLC NAND, and no PLP, it is better suited for read-intensive, mixed-use, or general enterprise applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated for 0.33 drive writes per day, meaning about one-third of its 1 TB capacity can be written daily on average throughout the warranty period.
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 because it helps prevent in-flight data loss and metadata corruption during unexpected power failure events.
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 improve redundancy and help reduce service risk in enterprise environments.