Dell EMC 3.84TB NVMe U.2 PCIe Gen4 x4 RI SFF 2.5" SSD – Intel D7-P5520 (077MRY / 77MRY)

The Dell EMC 3.84TB NVMe U.2 PCIe Gen 4.0 SSD, Dell part numbers 077MRY and 77MRY, based on the Intel (Solidigm) D7-P5520 series (MPN SSDPF2KX038T1E, M59555-000), is an enterprise-class read-intensive (RI) solid-state drive designed for modern Dell PowerEdge servers.

Built on PCIe Gen4 x4 NVMe technology, this drive delivers exceptional throughput, ultra-low latency, and enterprise-grade reliability for data-center workloads such as virtualization, analytics, cloud infrastructure, and high-performance read-heavy applications.

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Key Specifications

• Capacity: 3.84TB

• Product Type: Enterprise NVMe Solid State Drive

• Dell Part Numbers: 077MRY, 77MRY

• Manufacturer Part Numbers: SSDPF2KX038T1E, M59555-000

• Series: Intel / Solidigm D7-P5520

• Form Factor: 2.5" Small Form Factor (SFF), U.2, 15mm

• Interface: NVMe over PCIe Gen 4.0 x4

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Performance

• Sequential Read: Up to 7,100 MB/s

• Sequential Write: Up to 4,200 MB/s

• Random Read (4K): Up to 1,000,000 IOPS

• Random Write (4K): Up to 200,000 IOPS

• Latency:

  • Read: ≤ 75 µs

  • Write: ≤ 20 µs

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Endurance & Reliability

• Workload Type: Read-Intensive (RI)

• Endurance Rating: 1 DWPD for 5 years

• Total Bytes Written (TBW): ~7,000 TB

• MTBF: 2,000,000 hours

• Power Loss Protection: Enhanced PLP

• Shock Tolerance: 1000G @ 0.5 ms

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Security & Data Protection

• Self-Encrypting Drive (SED)

• 256-bit AES Hardware Encryption

• FIPS Compliant

• End-to-End Data Path Protection

• Secure Firmware

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Power Consumption

• Active (Max Avg): ~15W

• Idle: ~5W

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Compatibility

• Designed for: Dell PowerEdge servers

• Supported Generations: 14th Gen and newer

• Hot-Plug Support: Yes (with Dell U.2 carrier)

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Ideal Use Cases

• Read-intensive enterprise workloads

• Virtualization and hyper-converged infrastructure

• Cloud and hyperscale data centers

• Analytics, content delivery, and AI data pipelines