Solidigm SSDPF2KX019T1M1 1.92 TB D7-P5520 PCIe 4.0 x4, NVMe U.2 15mm Enterprise/Read-Intensive Solid State Drive

General

Brand	Solidigm
Model	D7-P5520
Capacity	1.92 TB
Usage Class	Enterprise/Read-Intensive

Interface

Host Interface	PCIe 4.0 x4, NVMe
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	U.2 15mm

Flash & Endurance

NAND Flash	144L 3D TLC
Drive Writes Per Day	1
Total Bytes Written	3500 TBW

Performance

Sequential Read	7100 MB/s
Sequential Write	3500 MB/s
Random Read IOPS	1050000
Random Write IOPS	190000
Average Latency	75 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	SSDPF2KX019T1

Engineer's Note

Compared with the earlier SSDPF2KX019T1, the SSDPF2KX019T1M1 D7-P5520 moves to a newer 144-layer 3D TLC, PCIe 4.0 x4 NVMe platform, delivering up to 7,100 MB/s sequential read and 1,050,000 random read IOPS for clearly stronger performance in the same 1.92 TB class. With 1 DWPD and 3,500 TBW, it is a strong fit for read-centric virtualization, scale-out storage, and content-serving workloads that need higher throughput and better platform efficiency than the previous generation without stepping up to a higher-endurance drive.

Endurance & Reliability

With an endurance rating of 3500 TBW and 1 DWPD, the SSDPF2KX019T1M1 is designed to handle full-drive writes every day throughout its rated service life, making it well suited for demanding enterprise and mixed-use workloads. In typical real-world use, especially as a system or boot drive with moderate daily writes, this level of endurance provides many years of dependable operation with substantial write margin. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity standards, while the 2 million hour MTBF further reflects a design optimized for stable long-term deployment.

Technical Specs & Insights

1. The PCIe 4.0 x4 NVMe interface gives this drive the bandwidth and low-overhead command path needed to keep virtualized databases, analytics clusters, and GPU servers fed without creating a storage bottleneck.
2. With 7100 MB/s sequential read performance, it can accelerate large file streaming, backup restores, and AI dataset loading so compute resources spend less time waiting on data movement.
3. Its 1,050,000 IOPS random read capability is well suited for high-concurrency OLTP, VDI boot storms, and metadata-heavy cloud workloads where fast access to small blocks directly improves user responsiveness.
4. A 1 DWPD endurance rating, backed by 144L 3D TLC NAND, provides a practical balance of sustained write durability, capacity efficiency, and predictable lifecycle cost for mainstream enterprise applications.
5. The 75 µs typical latency helps deliver consistently fast transaction response times, making it a strong fit for latency-sensitive services such as real-time databases and high-frequency application tiers.

Endurance & Reliability

Lower-capacity reference: 960 GB Higher-capacity reference: 3.84 TB Capacity positioning analysis: In this product family, the 1.92 TB model sits at the sweet spot. Compared with the 960 GB version, it gives meaningfully better headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure. Compared with the 3.84 TB option, it typically delivers the best balance between acquisition cost, usable capacity, and enterprise-grade performance consistency, since sequential throughput and random IOPS remain broadly similar across capacities. It is especially well suited for mid-scale virtualization clusters, such as shared boot and application storage for about 40 to 60 general-purpose virtual machines.

FAQ