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Solidigm
Solidigm D3-S4520 1.92TB 2.5" SATA enterprise SSD (SSDSC2KB019TZ01)
1.92 TB 2.5" SATA enterprise SSD delivers 550 MB/s read and 510 MB/s write with 2,000,000-hour MTBF for read-intensive server workloads
- Form Factor2.5"
- Capacity1.92TB
- Memory Components144L TLC 3D NAND
- InterfaceSATA III
- MTBF2,000,000 hours
- Operating Temperature0°C ~ +70°C
- Enterprise read performance with up to 550 MB/s sequential reads
- Sustained write throughput of up to 510 MB/s for demanding workloads
- 91,000 random read IOPS for fast data access
- 2,000,000-hour MTBF rating for long-term reliability
- 144-layer 3D TLC NAND with 256-bit encryption for data protection
Capacity and interface
This Solidigm D3-S4520 is a 1.92TB enterprise SSD built in a 2.5-inch 7mm form factor with a SATA 6Gb/s interface. It uses 144L TLC 3D NAND to deliver sequential reads up to 550 MB/s and writes up to 510 MB/s, with random 4KB performance of 91000 IOPS read and 38000 IOPS write. A 256-bit encryption standard and a 2,000,000-hour MTBF support data-centre reliability.
Read-intensive workloads and SATA infrastructure
The drive suits operators who need high-capacity, power-efficient storage for read-heavy server workloads while retaining existing SATA backplanes and cabling. Buyers who require higher random write IOPS or greater write endurance for mixed or write-intensive applications should evaluate alternative drive types. The 0°C to 70°C operating range and 1,000 G shock resistance fit standard rack environments.
Endurance class for the workload
The D3-S4520 is positioned as a read-optimised enterprise SSD, so its write endurance rating is lower than mixed-use or write-intensive models. Confirm that your application’s daily write volume aligns with a read-intensive endurance class before deployment. The five-year limited warranty covers the drive under those intended conditions.
Highlights
- Enterprise read performance with up to 550 MB/s sequential reads
- Sustained write throughput of up to 510 MB/s for demanding workloads
- 91,000 random read IOPS for fast data access
- 2,000,000-hour MTBF rating for long-term reliability
- 144-layer 3D TLC NAND with 256-bit encryption for data protection
Specifications
| Brand | Solidigm |
|---|---|
| Model | D3-S4520 |
| Form Factor | 2.5" |
| Capacity | 1.92TB |
| Memory Components | 144L TLC 3D NAND |
| Interface | SATA III |
| MTBF | 2,000,000 hours |
| Operating Temperature | 0°C ~ +70°C |
| Max Shock Resistance | 1,000 G (Max) at 0.5 msec |
| Max Vibration Resistance | Operating: 2.17 GRMS (5 - 700 Hz) Max Non-Operating: 3.13 GRMS (5 - 800 Hz) Max |
| Shipping weight | 0.18 kg |
| Package size | 203 × 152 × 51 mm |
Questions about this item
What does the 550 MB/s sequential read speed mean for a server workload?
The 550 MB/s figure is the maximum sustained read rate over the SATA interface. Real-world throughput will be lower due to controller overhead, queue depth and the specific read-intensive application pattern.
How does the SATA 600 interface limit this drive's performance?
The SATA 600 (6 Gb/s) link caps theoretical bandwidth at 600 MB/s, so the drive's 550 MB/s read and 510 MB/s write ratings already sit near the interface ceiling.
Will the 2.5-inch 7 mm form factor fit my server's drive bay?
The drive measures 2.5 inches wide and 0.3 inches (7 mm) high, matching the standard 2.5-inch 7 mm bay used in most enterprise servers and storage arrays.
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