Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | PM1643 |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 2100 MB/s |
|---|---|
| Sequential Write | 1700 MB/s |
| Random Read IOPS | 400000 |
| Random Write IOPS | 50000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILT3T8HALS-00007 |
|---|
The Samsung PM1643 MZ-ILT3T8A is a strong upgrade over the previous MZILT3T8HALS-00007, bringing newer Samsung V-NAND 3D TLC with up to 2100/1700 MB/s sequential performance and 400,000/50,000 IOPS to increase usable throughput in the same 12Gb/s SAS enterprise footprint. With 3.84 TB capacity, 1 DWPD endurance, and 7008 TBW, it delivers a better balance of density, sustained reliability, and mixed-workload efficiency for mainstream virtualization, database, and server consolidation tiers than the prior generation.
With an endurance rating of 7008 TBW, the MZ-ILT3T8A can sustain roughly 7.0 petabytes of total writes, which is far beyond the write volume of typical OS, boot, application, and general server workloads. Its 1 DWPD rating means the full drive capacity can be written once per day across its rated endurance life, making it a very safe choice for use as a system drive and for many years of normal enterprise operation. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power outage, reducing the risk of corruption and improving system recovery confidence. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate for high data integrity, while the 2 million hour MTBF further supports dependable long-term deployment in business environments.
1. The dual-port SAS interface brings enterprise-grade path redundancy and stable shared-storage connectivity, making the drive a strong fit for mission-critical arrays where uptime matters as much as bandwidth.
2. Its high sequential read capability helps databases, virtualization clusters, and backup appliances move large datasets faster, shortening scan, restore, and boot windows.
3. Strong random read performance enables the SSD to sustain heavy mixed-user and metadata-intensive workloads, improving VM density and reducing storage bottlenecks in transactional environments.
4. The endurance profile is well suited to read-centric enterprise deployments, giving operators predictable lifespan and lower replacement risk in content delivery, analytics, and scale-out storage tiers.
5. Samsung V-NAND 3D TLC combined with low typical latency delivers a balanced mix of flash efficiency and fast response time, supporting quicker application access and more consistent QoS under load.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB Across this series, the 1.92 TB, 3.84 TB, and 7.68 TB models generally maintain similar enterprise-grade performance profiles, with broadly comparable sequential read/write throughput and random IOPS under typical mixed workloads. Capacity positioning analysis: At 3.84 TB, this model sits in the sweet spot of the family. Compared with 1.92 TB, it offers much better headroom for growth, reducing early capacity pressure and giving administrators more flexibility for dataset expansion, overprovisioning, or denser VM placement. Compared with 7.68 TB, it preserves nearly the same enterprise-class performance behavior while avoiding the higher acquisition cost of the top capacity tier. It is well suited for medium-scale virtualization clusters, such as hosting boot and application volumes for about 60 to 80 business workloads.
Q: Is MZ-ILT3T8A suitable for a write-heavy database server?
A: MZ-ILT3T8A can support mixed-use database workloads, but with 1 DWPD it is not ideal for highly write-intensive environments. It is better suited for read-intensive or balanced enterprise applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1 DWPD, meaning it can sustain one full 3.84 TB drive write per day throughout its warranty period, aligned with its 7008 TBW endurance specification.
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 unexpected outages, which is critical for maintaining data integrity and reducing corruption risk in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for this SSD when both performance and redundancy are important. For capacity-focused deployments, RAID 5 or RAID 6 may also be considered depending on workload needs.