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| Brand | Intel |
|---|---|
| Model | D3-S4520 Series |
| Capacity | 3.84TB |
| Usage Class | Enterprise Data Center / Mixed Use |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 (U.2) 7mm |
|---|
| NAND Flash | Intel 144-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 18200 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 510 MB/s |
| Random Read IOPS | 91000 |
| Random Write IOPS | 28000 |
| Average Latency | 36 μs |
| Mean Time Between Failures | 2.0 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | SSDSC2KB038T8 |
|---|
The Intel D3-S4520 SSDSC2KB038TZR delivers a strong balance of 3.84TB capacity, 18,200 TBW endurance, and consistent SATA performance up to 550/510 MB/s with 91K/28K IOPS, making it a compelling choice for read-intensive virtualization, content serving, and database workloads that still require proven 2.5-inch SATA infrastructure. Compared with the previous-generation SSDSC2KB038T8, this MPN stands out through its newer Intel 144-layer 3D TLC NAND architecture, providing a more advanced media platform for better lifecycle value and sustained enterprise reliability in the same SATA class.
With an endurance rating of 18,200 TBW, the SSDSC2KB038TZR can sustain an extremely large amount of data written over its life, making it far beyond the needs of typical OS, boot, and general enterprise application workloads. In practical terms, even at roughly 5 TB of writes per day, it would still deliver about 10 years of service, while the 1 DWPD rating further confirms it is designed for consistent daily use rather than light-duty deployment. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and prevent metadata corruption if power is unexpectedly interrupted, which is critical for servers and storage systems. Its UBER of 1.0E-17 means an exceptionally low probability of unrecoverable bit errors during reads, and combined with the 2 million-hour MTBF, it provides the kind of data integrity and operational stability procurement teams expect from enterprise SSDs.
1. The SATA 6Gb/s interface, paired with 550 MB/s sequential read performance, provides a drop-in upgrade for legacy enterprise platforms while accelerating full-file scans, OS image loads, and backup restores.
2. With 91,000 K IOPS random read capability, the drive can sustain dense small-block access patterns that keep virtual machines, metadata services, and read-heavy databases responsive under concurrency.
3. A 1 DWPD endurance rating makes it well suited for mixed-use enterprise workloads, giving IT teams predictable lifespan and easier replacement planning in always-on deployments.
4. Built on Intel 144-layer 3D TLC NAND, the drive balances cost efficiency, storage density, and flash maturity, making it a practical choice for scaling business-critical capacity without moving to premium media tiers.
5. The 36 µs typical latency helps reduce storage wait time at the application layer, improving transaction consistency and tail-response behavior in latency-sensitive server workloads.
Lower capacity reference: 1.92TB Higher capacity reference: 7.68TB Capacity positioning analysis: In this series, the 3.84TB model sits at the sweet spot between practical headroom and budget discipline. Compared with the 1.92TB version, it gives much more breathing room for OS images, logs, hot data, and steady growth, reducing early capacity pressure without changing the familiar enterprise-class performance profile. Compared with the 7.68TB option, it delivers a better balance of cost, usable capacity, and deployment flexibility, making it ideal for mid-scale virtualization, database nodes, or roughly 40 to 60 mixed-purpose virtual servers in a mainstream enterprise cluster.
Q: Is SSDSC2KB038TZR suitable for a write-heavy database server?
A: Yes, it can support database workloads well. With 1 DWPD, 18,200 TBW, low 36 µs typical latency, and Intel 144-layer 3D TLC, it is suitable for mixed to moderately write-heavy 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 3.84TB drive write per day across its warranty period, aligned with its total endurance rating of 18,200 TBW.
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, consistency, and storage reliability in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: The best RAID level depends on your priority. RAID 10 is commonly recommended for databases needing strong performance and redundancy, while RAID 5 or RAID 6 may fit capacity-focused deployments.