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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchThe Intel SSD D5-P5316 15.36TB is an enterprise NVMe drive built for read-intensive and sequential workloads, not a general-purpose substitute for a consumer M.2 SSD. Its standout strengths are high sequential and random-read performance; its main caution is weak small-block random writing, particularly when writes are smaller than its 64KB indirection unit. It is a plausible fit for server warm storage and read-heavy systems if the chassis supports its U.2 15mm or E1.L form factor and the workload suits its write behavior.
What the P5316 15.36TB is—and who it is for
The D5-P5316 is a data-center SSD using 144-layer QLC 3D NAND, PCIe 4.0 x4 and NVMe 1.3c. The 15.36TB model is offered in U.2 15mm and E1.L formats. It is not a standard M.2 drive: check the server’s drive bay or backplane, interface support, cooling and power before planning an installation.
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Solidigm describes the family as “Highly efficient, read-optimized PCIe 4.0 drives, designed for read-intensive and sequential workloads.” Its examples include CDN, hyperconverged infrastructure, big data, AI, cloud storage and HPC. Warm storage is also a vendor-suggested use, rather than an independently established fit for every system.
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The figures below distinguish Solidigm’s family-level product brief from StorageReview’s specifications for the specific 15.36TB capacity. They are not interchangeable: the family brief includes values that correspond to the higher-capacity model.
#1 Best Overall
- Solidigm D5 Series D5-P5316 - SSD - Enterprise - 15.36 TB - Internal - 2.5" - U.2 PCIe 4.0 x4 (NVMe)
| Measure | Value | Basis and qualification |
|---|---|---|
| Capacity and form factors | 15.36TB; U.2 15mm or E1.L | 15.36TB model; the P5316 family also includes a 30.72TB version. |
| Interface and protocol | PCIe 4.0 x4; NVMe 1.3c | Intel/Solidigm product brief. |
| NAND | 144-layer QLC 3D NAND | Intel/Solidigm product brief. |
| 128KB sequential read/write | Up to 7,000 / 3,600 MB/s | Family-level maximum in the Intel/Solidigm brief; not a guarantee for every capacity or system. |
| 4KB random read | Up to 800,000 IOPS | Family-level maximum in the Intel/Solidigm brief. |
| 64KB random write | Up to 510 MB/s | Family-level figure in the Intel/Solidigm brief; StorageReview lists 399 MB/s for its 15.36TB model specification. |
| Sequential write | 3,200 MB/s | StorageReview’s listed specification for the 15.36TB model; it lists 3,600 MB/s for the 30.72TB model. |
| 70/30 mixed read/write | Up to 1,170 MB/s | 64KB workload, family-level figure in the Intel/Solidigm brief. |
| Endurance | 0.41 DWPD | Intel/Solidigm specifies this for a 100% 64KB random-write workload; it is not a workload-independent lifespan promise. |
| Power | 25W active-write average maximum; 5W idle | Intel/Solidigm product brief. |
| Reliability and warranty | UBER: 1 sector per 1017 bits read; MTBF: 2,000,000 hours; five-year limited warranty | Intel/Solidigm product brief. Warranty handling can depend on region and seller. |
How it performed in an independent review
StorageReview published its 15.36TB P5316 review on December 30, 2021, testing it on a Lenovo ThinkSystem SR635 PCIe Gen4 platform with enterprise SSD application and synthetic workloads. In its VDBench results, the drive delivered about 853,768 IOPS in 4KB random reads and 11,385 IOPS in 4KB random writes. It recorded 5.2GB/s for 64KB random reads, 404MB/s for 64KB random writes, 7.05GB/s for 64KB sequential reads and 686.8MB/s for 64KB sequential writes.
These are results from that review’s platform, software, workload and test conditions—not performance guarantees for another server. The results show the key trade-off clearly: strong read throughput, but a substantial weakness in small-block random writes. The review also found the 4KB random-write result weak relative to the TLC-based P5510 tested in its review; this is a workload-specific comparison, not a universal benchmark ranking.
Rank #2
![SOLIDIGM D5-P5336 15.36 TB Solid State Drive - 2.5 Internal - U.2 [PCI Express NVMe 4.0 x4]](https://m.media-amazon.com/images/I/31mj01fv68L._SL160_.jpg)
- Item dimensions: 5.5 inches
Why 4KB random writes deserve special attention
StorageReview connects the P5316’s weak small-write behavior to its 64KB indirection unit (IU). Writes smaller than 64KB can be performed, but the review found their performance less favorable. A workload dominated by small, scattered writes may therefore be a poor match even if its read demand is high.
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Before choosing the drive, check the actual write sizes, alignment and read/write mix in the target application. Where practical, IU-aligned writes may help; a cache or software layer that can absorb and shape writes is another design option. Neither should be treated as a substitute for validating performance against the application’s own workload.
Rank #3
- New level of performance
- Superior data protection features
- Intel Solid-State Drive 520 Series - Solid state drive - 180 GB - internal
How its specifications compare with the previous-generation P4326
Solidigm’s comparison of 15.36TB P5316 and 15.36TB P4326 reports the following results under the stated test configurations. These are vendor comparison figures, not an independent general-purpose test:
| Metric | P5316 15.36TB | P4326 15.36TB | Comparison conditions |
|---|---|---|---|
| 4KB random read | 800K IOPS | 580K IOPS | QD256, Solidigm comparison. |
| 128KB sequential read | 7.0GB/s | 3.2GB/s | QD256, Solidigm comparison. |
| 4KB random-read latency | 600µs | 1,150µs | QD1 at 99.999% latency, Solidigm comparison. |
Security, management and deployment considerations
The product brief lists AES-256 hardware encryption, NVMe Sanitize, firmware measurement, telemetry, and error tracking and logging. StorageReview also notes support for SGL, which can avoid host-side data double buffering, and a persistent event log that can help with debugging.
Rank #4
- 10 cores (6 P-cores plus 4 E-cores) and 16 threads. Integrated Intel UHD Graphics 730 included.
- Performance hybrid architecture integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Up to 4.7 GHz unlocked. 20MB Cache
- Compatible with Intel 600-series (with potential BIOS update) and 700-series chipset-based motherboards
- PCIe 5.0 and 4.0 support. Intel Optane Memory support. RM1 thermal solution included.
- Confirm that the system accepts the exact physical format—U.2 15mm or E1.L—and supports PCIe/NVMe operation.
- Check the server’s power and cooling provisions against the product’s listed active-write and idle power figures.
- Evaluate read throughput and small-write behavior using the intended block sizes, alignment and read/write ratio rather than relying only on peak sequential-read specifications.
- For endurance planning, keep the 0.41 DWPD qualification tied to the specified 100% 64KB random-write workload.
- Verify current firmware support, warranty terms and seller provenance for the particular region and purchase channel; those details are not established by the published performance figures.
Verdict: a specialized read-heavy server SSD
The P5316 15.36TB makes the most sense where a large enterprise SSD is needed for sustained reads or sequential access and the platform can accommodate its enterprise form factor. Its capacity and reading capabilities are compelling on paper and in StorageReview’s tested environment. It is a less convincing choice for workloads centered on 4KB random writes: the independent results and 64KB IU behavior make write pattern and alignment essential parts of the decision, not details to leave until deployment.
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