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| Brand | Intel |
|---|---|
| Model | DC S3520 |
| Capacity | 150 GB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | M.2 2280 |
|---|
| NAND Flash | 3D MLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 290 TBW |
| Sequential Read | 450 MB/s |
|---|---|
| Sequential Write | 380 MB/s |
| Random Read IOPS | 67000 |
| Random Write IOPS | 14000 |
| Average Latency | 40 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | SSDSCKJB150G701 |
|---|
Compared with the earlier SSDSCKJB150G701 revision, the SSDSCKJB150G7 delivers a more deployment-ready DC S3520 platform by pairing the same drop-in SATA 6Gb/s compatibility with enterprise 3D MLC and a stronger endurance profile of 290 TBW at 1 DWPD. Its value is in predictable data-center behavior at the 150 GB tier: up to 450/380 MB/s sequential performance and 67,000/14,000 IOPS make it a better fit than typical read-centric SATA SSDs for boot, logging, and metadata workloads that need steadier write tolerance.
With an endurance rating of 290 TBW and 1 DWPD, the SSDSCKJB150G7 is designed to handle writing its full 150 GB capacity every day throughout its rated service life, which is more than sufficient for typical OS boot, application, and light server workloads. In practical terms, for common system-disk usage with moderate daily writes, this level of endurance supports long-term, worry-free operation and can comfortably serve as a reliable boot or embedded system drive for many years. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery confidence. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, meaning the drive is engineered for high data integrity, while the 2 million hour MTBF further supports dependable continuous operation in professional environments.
1. The SATA 6Gb/s interface, paired with 450 MB/s sequential read performance, provides stable and widely compatible acceleration for boot volumes, OS images, and everyday enterprise data streaming workloads.
2. With 67,000 IOPS in random read performance, the drive can respond efficiently to highly fragmented access patterns common in virtualized environments, OLTP databases, and metadata-heavy applications.
3. A 1 DWPD endurance rating makes it a practical fit for mixed-use enterprise deployments that need predictable write sustainability across the full warranty life without overprovisioning for heavier write tiers.
4. Built on 3D MLC NAND, the SSD delivers a stronger balance of endurance, consistency, and data retention than TLC-based alternatives, making it better suited for business-critical infrastructure.
5. The 40 µs typical latency helps reduce storage response time at the transaction level, supporting faster application behavior and more consistent QoS under demanding server workloads.
Lower capacity reference: 120 GB Higher capacity reference: 240 GB In this series, the 150 GB model sits at a practical sweet spot. Compared with the 120 GB version, it gives noticeably more headroom for OS images, patch growth, logs, and overprovisioning, reducing day-to-day capacity pressure. Compared with the 240 GB option, it keeps acquisition cost and $/workload more controlled while delivering broadly similar enterprise-class sequential throughput and random IOPS. That makes 150 GB a balanced choice for medium-density infrastructure, such as a 12-node virtualization cluster with dedicated boot and monitoring volumes.
Q: Is SSDSCKJB150G7 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads thanks to 3D MLC NAND, 1 DWPD endurance, and 290 TBW. It is suitable for enterprise environments requiring consistent write performance and reliability.
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 handle one full 150 GB drive write per day throughout its warranty period, assuming deployment conditions remain within the specified operating limits.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk and improving storage reliability in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 1, RAID 10, or RAID 5 can be considered depending on performance and redundancy goals. For database servers, RAID 10 is typically recommended for balanced write performance, fault tolerance, and low latency.