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| Brand | Intel |
|---|---|
| Model | DC S3500 |
| Capacity | 120 GB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | M.2 2280 |
|---|
| NAND Flash | 20nm MLC |
|---|---|
| Drive Writes Per Day | 0.3 |
| Total Bytes Written | 70 TBW |
| Sequential Read | 440 MB/s |
|---|---|
| Sequential Write | 175 MB/s |
| Random Read IOPS | 68000 |
| Random Write IOPS | 7500 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | SSDSCKHB120G4 |
|---|
Compared with the previous-generation SSDSCKHB120G4, the SSDSCKHB120G4P offers a more balanced read-centric enterprise profile, combining 68,000 random-read IOPS, 440 MB/s sequential read throughput, and 70 TBW endurance in the same 120 GB SATA 6Gb/s form factor. Built on 20nm MLC NAND, the DC S3500 120 GB is a stronger fit for boot, caching, and light mixed-workload server tiers where low latency, predictable QoS, and enterprise-class endurance matter more than raw write speed.
With an endurance rating of 70 TBW and 0.3 DWPD, the SSDSCKHB120G4P is well suited for typical OS, boot, and light application workloads, where daily write volume is usually far below its design limit. In practical terms, for system-disk usage and normal business PCs or embedded platforms, this level of endurance can comfortably support many years of stable operation, often approaching up to 10 years under moderate write conditions. For reliability, the drive includes Power Loss Protection (PLP), which helps protect in-flight data and reduce the risk of corruption if power is suddenly interrupted. Its enterprise-grade UBER of 1.0E-17, together with a 2 million hour MTBF, indicates an extremely low probability of unrecoverable bit errors and supports strong confidence in long-term data integrity.
1. The SATA 6Gb/s interface ensures broad compatibility with mainstream enterprise servers and storage arrays, making it a low-risk upgrade for legacy infrastructure refresh projects.
2. With 440 MB/s sequential read performance, the drive accelerates large-file access such as system image loading, log scanning, and backup recovery workflows.
3. Delivering 68,000 random read IOPS, it supports responsive performance for metadata-heavy applications, virtualized environments, and read-centric database queries.
4. Rated at 0.3 DWPD and built on 20nm MLC NAND, the drive is well suited for read-intensive enterprise workloads that need better flash longevity and consistency than consumer-grade SSDs.
5. A typical latency of 50 µs helps reduce storage response time, improving application snappiness and transaction efficiency in multi-user business systems.
Lower-capacity reference: 80 GB Higher-capacity reference: 160 GB In this series, the 120 GB model sits at the practical sweet spot. Compared with the 80 GB version, it gives noticeably more headroom for OS images, logs, swap, and application growth, reducing early capacity pressure in always-on enterprise environments. Compared with the 160 GB option, it preserves essentially the same enterprise-class sequential and random performance while landing at a more efficient cost point. That makes 120 GB the best-balanced choice for mid-density deployments, such as boot drives for about 24 virtualization hosts or compact edge servers running multiple infrastructure services.
Q: Is SSDSCKHB120G4P suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD and 70 TBW, SSDSCKHB120G4P is better suited for read-intensive or mixed workloads rather than write-heavy database servers with sustained high daily write volumes.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 0.3 DWPD, meaning it can support about 0.3 full drive writes per day across its warranty period, equivalent to roughly 36 GB of writes 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 metadata during unexpected outages, reducing corruption risk and improving reliability in server and storage environments.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended, depending on capacity and performance needs. These levels provide redundancy and good read performance, making them suitable for enterprise SATA SSD deployments.