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| Brand | Intel |
|---|---|
| Model | D3-S4520 Series |
| Capacity | 960GB |
| 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 | 4400 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 510 MB/s |
| Random Read IOPS | 88000 |
| 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 | SSDSC2KB960G8 |
|---|
Compared with the previous-generation SSDSC2KB960G8, the SSDSC2KB960GZR advances to Intel 144-layer 3D TLC and delivers 4,400 TBW at 1 DWPD in the same 960GB SATA 6Gb/s class, giving architects a clear generational uplift in NAND technology and write endurance. With up to 550/510 MB/s and 88,000/28,000 IOPS, it is a strong choice for read-centric virtualization, boot, and content-serving tiers that need higher endurance and more predictable SATA performance than typical mainstream SSDs.
With an endurance rating of 4,400 TBW, the SSDSC2KB960GZR can sustain a total of 4.4 petabytes of host writes, which is exceptionally strong for a 960GB SSD. In typical system-disk, boot-drive, or read-heavy server workloads, this is comfortably enough for 10 years of use without endurance concerns, and it also aligns with sustained enterprise usage at up to 1 DWPD. Its built-in Power Loss Protection (PLP) helps preserve in-flight data and critical mapping information during an unexpected power outage, reducing the risk of corruption and improving operational continuity. Combined with an enterprise-class UBER of 1.0E-17 and a 2 million hour MTBF, it delivers very high data integrity and dependable long-term reliability that procurement teams can deploy with confidence.
1. The SATA 6Gb/s interface provides broad server and storage-array compatibility, making this drive an easy drop-in upgrade for enterprise systems that prioritize stability and lifecycle consistency over platform changes.
2. With up to 550 MB/s sequential read performance, it accelerates OS boot, database scans, and large file access in read-focused business workloads.
3. Delivering 88,000 random read IOPS, it helps virtualized environments and transactional applications serve more small-block requests with less queue buildup during peak demand.
4. Rated for 1 DWPD, the drive offers a practical endurance profile for always-on enterprise deployments such as boot, cache, and mixed-read storage tiers where predictable write life matters.
5. Built with Intel 144-layer 3D TLC NAND and a typical latency of 36 µs, it combines mature flash efficiency with fast response times to support consistent QoS in latency-sensitive data center operations.
Lower capacity reference: 480GB Higher capacity reference: 1.2TB Capacity positioning analysis: In this series, the 960GB model sits at the practical sweet spot. Compared with the 480GB version, it gives much more headroom for OS images, application stacks, logs, and steady data growth, reducing the need for early capacity expansion. Compared with the 1.2TB option, it usually delivers a better balance between acquisition cost, usable capacity, and enterprise-grade performance consistency. With similar sequential and random I/O characteristics across the family, 960GB is a strong fit for medium-scale virtualization hosts, database nodes, or mixed business application servers supporting roughly 40–60 light enterprise workloads.
Q: Is SSDSC2KB960GZR suitable for a write-heavy database server?
A: Yes. With 1 DWPD, 4400 TBW endurance, Intel 144-layer 3D TLC NAND, and 36 µs typical latency, SSDSC2KB960GZR is well suited for write-intensive database and enterprise server 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 960GB drive write per day over its warranty period, aligning with its 4400 TB total bytes written rating.
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 enterprise data integrity.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for this SSD in performance-sensitive environments, especially databases. It provides strong read/write performance, redundancy, and faster rebuilds than parity-based RAID configurations.