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| Brand | Samsung |
|---|---|
| Model | PM883a |
| Capacity | 480 GB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 683 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 14000 |
| Average Latency | 40 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7LH480A |
|---|
The Samsung PM883a 480GB (MZ7LH480HBHQAD3) delivers near-saturation SATA performance at 550/520 MB/s while pairing it with 1.3 DWPD and 683 TBW, making it a strong fit for enterprise boot, virtualization, and read-intensive mixed server workloads that still require meaningful write endurance. Compared with the previous MZ-7LH480A generation, this refresh moves to Samsung 6th-Gen V-NAND TLC, providing a more modern endurance-and-efficiency platform with stronger long-life value in the same SATA footprint.
With an endurance rating of 683 TBW and 1.3 DWPD, this 480GB SSD is designed to handle sustained daily writes well beyond typical operating-system, application, and general server boot-drive workloads. In practical terms, for common system-disk use it can comfortably support many years of service, and even at around 150GB of writes per day it would cover roughly 10 years of operation. Its enterprise reliability features further reduce operational risk: power-loss protection (PLP) helps preserve in-flight data and critical metadata during unexpected outages, lowering the chance of corruption and difficult recovery events. The 1.0E-17 UBER specification indicates an extremely low unrecoverable bit error rate, providing the level of data integrity expected in enterprise environments, and the 2 million hour MTBF adds confidence in long-term deployment stability.
1. The SATA 6Gb/s interface enables straightforward drop-in deployment across legacy and mixed server fleets, making it a cost-efficient upgrade path for enterprise storage refresh projects.
2. Its 550 MB/s sequential read performance accelerates full-file scans, backup restores, and large dataset streaming in read-heavy business applications.
3. With 98,000 random read IOPS, the drive sustains responsive access for virtual machines, OLTP databases, and other workloads dominated by small-block queries.
4. The 1.3 DWPD endurance rating supports consistent daily rewrites over the drive’s service life, reducing replacement risk in continuously active enterprise environments.
5. Built on Samsung 6th-Gen V-NAND TLC and paired with 40 µs typical latency, it delivers a strong balance of flash density, predictable QoS, and fast transaction response for latency-sensitive infrastructure.
Lower capacity reference: 240 GB Higher capacity reference: 960 GB Capacity positioning analysis: Within this SSD family, the 480 GB model sits at the practical sweet spot. Compared with the 240 GB version, it gives noticeably better headroom for OS images, application growth, log retention, and overprovisioning, reducing the risk of early capacity pressure in enterprise deployments. Compared with the 960 GB option, it keeps acquisition cost and fleet-wide budget under tighter control while still delivering essentially the same mainstream enterprise SATA performance profile. It is especially well suited for medium-scale virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 virtual machines.
Q: Is MZ7LH480HBHQAD3 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 683 TBW, low 40 µs typical latency, and Samsung 6th-Gen V-NAND TLC, it is suitable for moderate to write-intensive database workloads in enterprise environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1.3 DWPD, meaning it can sustain about 1.3 full 480 GB drive writes per day throughout its warranty period, within the specified endurance limits.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and metadata during sudden power failure, which is critical for data integrity, consistency, and reducing corruption risk.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for this SSD in business-critical systems, as these levels provide strong redundancy, good read performance, and reliable protection against drive failure.