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| Brand | Samsung |
|---|---|
| Model | 870 EVO |
| Capacity | 500 GB |
| 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 | 300 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 88000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-7LM960NE |
|---|
The Samsung 870 EVO 500GB (MZ-77E500B/AM) delivers near-interface-limit SATA performance at 560/530 MB/s with up to 98K/88K IOPS, giving it distinct value for upgrade cycles where legacy SATA infrastructure must be retained but boot, application launch, and mixed client workloads still need low-latency responsiveness. Compared with the previous MZ-7LM960NE, it offers a more modern Samsung V-NAND 3-bit TLC platform with stronger SATA-class peak throughput and a well-balanced 300 TBW endurance profile, making it the better choice for read-intensive desktops, notebooks, and edge systems that prioritize cost-efficient reliability over PCIe migration.
With an endurance rating of 300 TBW, this 500GB SSD can sustain roughly 82GB of host writes per day for 10 years, which is well above the write volume of typical OS, boot, office, and general business workloads. In practical terms, for use as a system drive or in standard read-heavy client applications, this level of endurance provides a comfortable margin for long service life. An UBER of 1.0E-15 indicates a very low probability of unrecoverable read errors, helping ensure dependable data integrity in normal operation, while the 1.5 million-hour MTBF reflects solid long-term hardware reliability. This model does not include power-loss protection (PLP), meaning it is best suited for environments with stable power, UPS support, or host/application-level safeguards to protect in-flight writes during unexpected power interruption.
1. The SATA 6.0 Gbps interface, paired with strong sequential read performance, makes this drive a practical drop-in upgrade for enterprise boot, backup, and read-centric application servers where stable throughput matters more than PCIe-class bandwidth.
2. Its 98,000 random read IOPS help accelerate highly concurrent lookup-heavy workloads such as VDI, web hosting, and database query serving by reducing storage-side bottlenecks under mixed user demand.
3. With a 0.33 DWPD endurance profile, this SSD is best aligned with read-intensive enterprise deployments like OS boot pools, content repositories, and analytics tiers that need reliability without the cost of high-write media.
4. Samsung V-NAND 3-bit TLC balances capacity, power efficiency, and cost, giving enterprises an economical flash tier for scaling general-purpose infrastructure while maintaining solid data-center-grade consistency.
5. A typical latency of 50 µs supports faster application responsiveness and more predictable service times, which is especially valuable for transactional systems and virtualized environments sensitive to storage delay.
Lower capacity: 250 GB Higher capacity: 1 TB Within this series, the 500 GB model sits at the practical sweet spot. Compared with the 250 GB version, it offers much better headroom for OS images, application stacks, logs, and growth, reducing the risk of early capacity pressure. Compared with the 1 TB model, it delivers nearly the same mainstream SATA performance while keeping acquisition cost and per-node spend under tighter control. This makes 500 GB a balanced choice for mid-scale deployments, such as boot and application storage for about 40 to 60 lightweight virtual desktop or edge server instances.
Q: Is MZ-77E500B/AM suitable for a write-heavy database server?
A: No. With 0.33 DWPD, 300 TBW, TLC NAND, and no PLP, this model is better for client or read-focused workloads, not 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 DWPD, meaning about one-third of its 500 GB capacity can be written daily on average over the warranty period, roughly 165 GB per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. This matters because sudden power failure can interrupt in-flight writes, increasing the risk of data corruption or metadata inconsistency in business-critical systems.
Q: What RAID level is recommended for this SSD?
A: For general reliability, RAID 1 or RAID 10 is recommended. These levels improve redundancy and performance, while helping reduce risk from drive failure in workstation or light server use.