| Brand | Samsung |
|---|---|
| Model | 9100 PRO |
| Capacity | 4 TB |
| Usage Class | Enterprise / Mixed Use |
| Host Interface | NVMe PCIe Gen3 x4 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | M.2 |
|---|
| NAND Flash | Samsung V-NAND 3D MLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 6640 TBW |
| Sequential Read | 3200 MB/s |
|---|---|
| Sequential Write | 2000 MB/s |
| Random Read IOPS | 540000 |
| Random Write IOPS | 120000 |
| Average Latency | 75 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-VAP2T0B |
|---|
The Samsung 9100 PRO 4 TB (MZ-VAP4T0B) is the stronger choice for high-density workstation and read-intensive database deployments, combining PCIe Gen3 x4 performance up to 3,200/2,000 MB/s with Samsung V-NAND 3D MLC durability rated for 1 DWPD and 6,640 TBW. Compared with the previous MZ-VAP2T0B, it doubles usable capacity to 4 TB and correspondingly expands total write endurance, giving architects higher per-slot storage density and longer service life without changing the host interface.
With an endurance rating of 6,640 TBW and 1 DWPD, the MZ-VAP4T0B is designed to sustain heavy, consistent write activity across its service life, making it well suited for enterprise and data-intensive environments. In typical real-world use, this level of endurance means it can comfortably serve as a system or application drive for many years without endurance concerns, while also supporting demanding daily workloads with confidence. For enterprise reliability, power loss protection (PLP) helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, which is critical for maintaining data integrity in business-critical storage deployments, and the 2 million hour MTBF further supports dependable long-term operation.
1. The NVMe over PCIe Gen3 x4 interface removes legacy storage bottlenecks, enabling much faster response for virtualization clusters, database nodes, and scale-out application servers.
2. Its strong sequential read capability accelerates large-block workloads such as analytics scans, backup restore, media streaming, and VM image loading.
3. The high random read performance is especially valuable for latency-sensitive enterprise applications like OLTP databases, VDI boot storms, and high-concurrency cloud platforms.
4. A 1 DWPD endurance rating makes it a solid fit for read-intensive to mixed-use deployments that need predictable lifespan under continuous daily production writes.
5. Samsung V-NAND 3D MLC provides enterprise-grade balance across endurance, sustained performance, and data integrity, helping maintain stable service levels over long operating cycles.
Lower capacity reference: 2 TB Higher capacity reference: 8 TB Capacity positioning analysis: In this series, the 4 TB model is the sweet spot for mainstream enterprise deployments. Compared with the 2 TB version, it gives much better headroom for dataset growth, VM sprawl, log retention, and overprovisioning flexibility, reducing the need for early drive expansion. Compared with the 8 TB option, it usually preserves nearly the same enterprise-class throughput and IOPS while keeping acquisition cost, replacement cost, and risk concentration more manageable. It is especially well suited for mid-scale virtualization clusters, such as a shared storage tier for roughly 40 to 60 business application virtual machines.
Q: Is MZ-VAP4T0B suitable for a write-heavy database server?
A: Yes. With 1 DWPD, 6,640 TBW endurance, Samsung V-NAND 3D MLC, and 75 µs typical latency, MZ-VAP4T0B is well suited for write-intensive database and enterprise workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1 DWPD, meaning it can sustain one full 4 TB drive write 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 unexpected outages, which is critical for maintaining data integrity and reducing corruption risks.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 or RAID 10 is preferred for database workloads needing redundancy and performance, while RAID 5/6 suits capacity-focused environments.