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| Brand | Samsung |
|---|---|
| Model | PM893 |
| Capacity | 480 GB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 876 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 29000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7KH960HAJR |
|---|
Compared with the earlier MZ7KH960HAJR, the PM893 MZ7L3480HCHQ-00AH3 moves to Samsung 128-layer 3D TLC V-NAND, delivering better power efficiency and steadier QoS under sustained enterprise workloads while still pushing the SATA interface to 550/520 MB/s and up to 98K/29K IOPS. Its standout value at 480 GB is the combination of 1.3 DWPD and 876 TBW, making it a stronger fit than prior-generation SATA SSDs for write-heavy boot volumes, appliance logging, and edge database nodes that need enterprise endurance in a legacy SATA footprint.
With an endurance rating of 876 TBW and 1.3 DWPD, the MZ7L3480HCHQ-00AH3 is designed to comfortably handle sustained daily writes in typical server and enterprise client use. In practical terms, for common OS boot, application, and mixed read-heavy workloads, this level of endurance supports long-term deployment and can serve reliably as a system drive for many years, including around a decade in lighter-duty scenarios. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protects metadata integrity if power is suddenly interrupted, reducing the risk of corruption and unexpected downtime. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low rate of unrecoverable bit errors and strong overall reliability, giving buyers added confidence for business-critical storage environments.
1. The SATA interface enables painless deployment in legacy and mainstream enterprise servers, making this drive a cost-effective upgrade without changing backplanes or controller infrastructure.
2. Near bus-saturating sequential read performance accelerates OS boot, database scans, and large-file retrieval in read-heavy enterprise workloads.
3. Strong random-read capability paired with low typical latency keeps virtual machines, OLTP databases, and metadata-intensive applications highly responsive under concurrent access.
4. Its enterprise endurance rating supports sustained daily full-drive rewrites across the warranty period, giving IT teams confidence in mixed-use and write-active environments.
5. Samsung’s high-layer 3D TLC V-NAND delivers a balanced mix of capacity, power efficiency, and long-term reliability for always-on data center operation.
Reference capacities in the same series for MPN MZ7L3480HCHQ-00AH3 (480 GB): Lower capacity: 240 GB Higher capacity: 960 GB Performance reference: Both 240 GB and 960 GB models in this enterprise SATA series generally deliver a very similar sequential read/write profile and comparable random IOPS to the 480 GB model, which is typical for mainstream enterprise SSD capacity scaling. Capacity positioning analysis: In this series, the 480 GB model sits at the sweet spot. Compared with the 240 GB version, it offers much better headroom for OS images, logs, patch growth, and application overhead, reducing the risk of early capacity pressure. Compared with the 960 GB version, it achieves a stronger balance between acquisition cost, usable capacity, and steady enterprise performance. It is especially well suited for small to mid-sized virtualization clusters, such as hosting boot and infrastructure volumes for around 40 to 60 business application instances.
Q: Is MZ7L3480HCHQ-00AH3 suitable for a write-heavy database server?
A: Yes, it can support moderately write-intensive database workloads. With 1.3 DWPD, 876 TBW, low 100 µs latency, and enterprise PLP, it fits many server deployments, though extreme write-heavy environments may require higher endurance.
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-drive writes per day over the warranty period. For 480 GB capacity, that equals roughly 624 GB written daily.
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 mapping tables during unexpected outages, which is critical for maintaining data integrity, consistency, and recovery reliability in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: The best RAID level depends on your priority. RAID 1 or RAID 10 is recommended for databases and critical workloads, while RAID 5 may suit balanced capacity and protection requirements.