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| Brand | Intel |
|---|---|
| Model | DC S3520 |
| Capacity | 240 GB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | M.2 80mm (2280) |
|---|
| NAND Flash | 3D MLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 530 TBW |
| Sequential Read | 450 MB/s |
|---|---|
| Sequential Write | 380 MB/s |
| Random Read IOPS | 65000 |
| Random Write IOPS | 16000 |
| Average Latency | 40 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | SSDSCKJB240G701 |
|---|
Compared with the earlier SSDSCKJB240G701, the SSDSCKJB240G7R is the refreshed DC S3520 revision, pairing 3D MLC NAND with 1 DWPD and 530 TBW to provide a stronger endurance profile and a safer drop-in upgrade path in the same SATA 6Gb/s class. With 450/380 MB/s sequential performance and up to 65,000/16,000 IOPS, this 240 GB model is particularly well suited for enterprise boot, read-cache, and mixed read/write edge workloads that need better write durability than typical mainstream SATA SSDs.
With an endurance rating of 530 TBW and 1 DWPD, the SSDSCKJB240G7R is designed to handle the write demands of typical enterprise and industrial workloads with ample margin. For common use cases such as OS boot, application hosting, logging, and read-intensive data processing, this level of endurance can comfortably support long-term deployment and can serve as a system drive for up to 10 years under normal operating conditions. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and prevents metadata corruption if power is unexpectedly interrupted. Its ultra-low UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very high standard of data integrity and operational stability, giving procurement teams confidence in dependable field performance.
1. The SATA enterprise interface enables straightforward drop-in deployment across widely installed server and storage platforms, making it ideal for cost-efficient refresh projects without backplane changes.
2. Its sustained read bandwidth helps accelerate large-file access, reducing wait time for boot images, analytics datasets, and virtual machine snapshots.
3. Strong random read performance supports high-concurrency transactional workloads, improving responsiveness in databases, VDI environments, and metadata-intensive applications.
4. The endurance profile is well suited to steady daily rewrite cycles in mixed-use enterprise environments, helping operators balance reliability, service life, and storage cost.
5. Built on 3D MLC NAND with very low typical latency, the drive delivers more predictable response times and stronger data integrity for latency-sensitive business applications.
Lower capacity reference: 120 GB Higher capacity reference: 480 GB At 240 GB, the SSDSCKJB240G7R sits in the sweet spot of the series. Compared with the 120 GB model, it gives much better headroom for OS images, patch growth, logs, and overprovisioning, reducing the risk of early capacity pressure. Compared with the 480 GB version, it keeps acquisition cost and dollar-per-node lower while delivering essentially the same enterprise-class read/write and random IOPS behavior for mainstream workloads. This makes 240 GB especially well suited for standardized boot and application volumes across about 20 to 30 virtualized infrastructure nodes.
Q: Is SSDSCKJB240G7R suitable for a write-heavy database server?
A: Yes. With 3D MLC NAND, 1 DWPD endurance, 530 TBW, low 40 µs typical latency, and PLP support, it is suitable for write-intensive database workloads and enterprise server environments.
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 240 GB drive write per day throughout its warranty period, consistent with its 530 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 sudden outages, reducing corruption risk and improving data integrity in enterprise and transactional applications.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for this SSD in business-critical systems, balancing performance, redundancy, and fast recovery. RAID choice still depends on capacity, uptime, and workload needs.