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| Brand | Samsung |
|---|---|
| Model | SM843T |
| Capacity | 480GB |
| Usage Class | Mixed Use / Data Center |
| Host Interface | SATA 6.0 Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung 24nm eMLC |
|---|---|
| Drive Writes Per Day | 3.7 |
| Total Bytes Written | 3240 TBW |
| Sequential Read | 500 MB/s |
|---|---|
| Sequential Write | 370 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 15000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7WD480HCGM |
|---|
Compared with the earlier MZ7WD480HCGM, the MZ7WD480HAGM-000H3 SM843T is a higher-endurance enterprise SATA refresh, delivering 3.7 DWPD and 3240 TBW from Samsung 24nm eMLC for significantly stronger write-life suitability in mixed and write-intensive datacenter deployments. At 480GB, it combines up to 500/370 MB/s and 98,000/15,000 IOPS on a SATA 6.0 Gb/s interface, making it a strong fit for boot, caching, and virtualization tiers that need SAS-class endurance with simpler SATA integration.
With an endurance rating of 3240 TBW and 3.7 DWPD, the MZ7WD480HAGM-000H3 is built for sustained write-intensive enterprise use over its service life. In typical workloads, this level of endurance means it can easily serve as a long-term system or application drive for many years, with ample margin for daily business operations. This SSD also includes enterprise-class reliability safeguards such as Power Loss Protection, which helps preserve in-flight data and metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17 and 2 million hour MTBF indicate a very low probability of unrecoverable read errors and strong overall dependability for business-critical deployments.
1. The SATA 6.0 Gb/s interface, paired with 500 MB/s sequential read performance, enables stable high-speed data streaming for boot volumes, content delivery, and read-heavy enterprise applications without requiring a PCIe infrastructure upgrade.
2. Up to 98,000 random read IOPS helps virtualized servers and database platforms respond faster under heavy concurrent access, reducing application wait time during peak transaction bursts.
3. A 3.7 DWPD endurance rating gives this drive the write stamina needed for demanding mixed-workload environments, supporting sustained daily overwrites with lower replacement risk over its service life.
4. Samsung 24nm eMLC NAND provides a stronger balance of reliability, write endurance, and data retention than client-grade flash, making it better suited for always-on enterprise duty cycles.
5. A typical latency of 100 µs supports consistently quick access to active data, improving responsiveness for latency-sensitive workloads such as OLTP, caching, and VDI.
Lower capacity reference: 240GB Higher capacity reference: 960GB The 480GB model sits at the sweet spot of this series. Compared with the 240GB version, it provides much better headroom for OS images, application binaries, logs, and short-term data growth, reducing the risk of early capacity pressure. Compared with the 960GB version, it delivers nearly the same enterprise-class sequential and random performance while keeping acquisition cost and fleet-wide budget under tighter control. In practice, it is well suited for mid-scale virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 light-to-medium workload virtual machines.
Q: Is MZ7WD480HAGM-000H3 suitable for a write-heavy database server?
A: Yes. With 3.7 DWPD, 3240 TBW, Samsung 24nm eMLC NAND, and 100 µs typical latency, this SSD is well suited for write-intensive database and enterprise server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 3.7 full drive writes per day over a 5-year endurance period. For a 480GB model, that aligns with approximately 3240 TBW total lifetime writes.
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 outages, which is critical for preventing corruption and maintaining database integrity.
Q: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 10 is typically recommended, especially for database workloads. It provides strong performance, low write penalty, and redundancy. RAID 1 is also suitable for simpler deployments.