| 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 MLC |
|---|---|
| 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 | MZ7WD480HAGM |
|---|
Compared with the earlier MZ7WD480HAGM, the SM843T MZ7WD480HCGM-00003 steps up enterprise endurance to 3.7 DWPD and 3,240 TBW, giving it a clear generational advantage for sustained write-heavy SATA deployments. Built on Samsung 24nm MLC NAND, it combines 500/370 MB/s sequential throughput with up to 98,000/15,000 IOPS, making it a particularly strong fit for read-centric virtualization, OLTP, and mixed-enterprise workloads that need higher durability than typical SATA SSDs.
With an endurance rating of 3240 TBW and 3.7 DWPD, this SSD is built to handle intensive daily write workloads over a long service life. In typical enterprise or system-disk use, this level of endurance means the drive can support many years of stable operation with substantial margin, making it a dependable choice for always-on business environments. This model also includes power-loss protection, which helps preserve in-flight data and mapping information during an unexpected power interruption, reducing the risk of data corruption. Its enterprise-grade UBER of 1.0E-17 and 2 million hours MTBF indicate a very low probability of unrecoverable read errors and strong long-term reliability for critical applications.
1. The SATA 6.0 Gb/s interface provides broad drop-in compatibility with mainstream enterprise servers and storage arrays, making upgrades simple without changing existing backplanes or controllers.
2. With 500 MB/s sequential read performance, the drive accelerates OS boot, image loading, and large-file access in read-heavy enterprise workloads.
3. Delivering 98,000 random read IOPS, it helps virtualized environments and database platforms respond faster under highly fragmented, multi-user access patterns.
4. Built on Samsung 24nm MLC NAND and rated for 3.7 DWPD, it is suited for write-intensive business applications that demand sustained reliability over years of continuous operation.
5. A typical latency of 100 µs reduces storage response time at the microsecond level, supporting more predictable performance for OLTP, caching, and latency-sensitive infrastructure.
Lower capacity reference: 240GB Higher capacity reference: 960GB In this enterprise SSD family, the 480GB model sits at the sweet spot for mainstream deployment. Compared with the 240GB version, it offers much better headroom for OS growth, log files, patching, and overprovisioning, reducing capacity pressure in long-life server use. Compared with the 960GB version, it keeps acquisition cost and replacement budget under tighter control while delivering essentially the same class of sequential and random performance. It is best suited for medium-scale infrastructure, such as hosting boot and application volumes for around 30 to 50 general-purpose virtual machines.
Q: Is MZ7WD480HCGM-00003 suitable for a write-heavy database server?
A: Yes. With 3.7 DWPD, 3240 TBW endurance, Samsung 24nm MLC 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: This model is rated for 3.7 full drive writes per day. For a 480GB SSD, that equals about 1.78TB of writes daily across the official warranty period.
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 sudden outages, reducing corruption risk and improving reliability in enterprise applications.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on workload and redundancy goals. RAID 10 is generally recommended for databases, delivering strong read/write performance, fault tolerance, and lower rebuild risk than parity RAID.