Solidigm D3-S4520 vs D3-S4620 for B2B sourcing
The two D3 families share the same catalog interface and physical format, but their series workload context and available PNs differ.
What should a buyer confirm?
Both catalog groups use SATA 6Gb/s, a 2.5-inch 7mm form factor and 144-layer 3D TLC NAND. D3-S4520 is listed with standard-endurance and read-intensive context; D3-S4620 with mid-endurance and mixed-use context. Use the exact PN and application requirement to identify the request.
Catalog comparison
| Catalog fact | Solidigm D3-S4520 | Solidigm D3-S4620 |
|---|---|---|
| Interface | SATA 6Gb/s | SATA 6Gb/s |
| Protocol | SATA | SATA |
| Form factor | 2.5-inch 7mm | 2.5-inch 7mm |
| Media context | 144-layer 3D TLC NAND | 144-layer 3D TLC NAND |
| Catalog capacities | 240GB to 7.68TB | 480GB to 3.84TB |
| Series workload context | Standard-endurance, read-intensive | Mid-endurance, mixed-use |
Series workload context is a screening field
The workload wording helps distinguish the two families. It is not a substitute for checking the application’s write pattern, performance target, firmware policy or platform qualification requirements.
When replacing an installed drive, a like-for-like PN is the clearest starting point. When planning a new deployment, provide the server or array model and workload context so the inquiry can be discussed with the correct series in view.
Shared capacity does not mean automatic substitution
The catalog includes several capacities in both series, including 480GB, 960GB, 1.92TB and 3.84TB. The shared capacity and SATA format do not establish that one exact part can replace another.
Keep the complete manufacturer PN in the request and state whether matching an installed configuration is required. The final compatibility and commercial discussion remains specific to the target system and requirement.
RFQ checklist
- 01Complete Solidigm PN
- 02D3-S4520 or D3-S4620 series
- 03Capacity
- 04Target server or storage platform
- 05Workload context
- 06Quantity
References
Use these product-family references together with the target server documentation, qualification list and complete manufacturer part number.