Western Digital Ultrastar DC SN860 3.84TB E1.S NVMe PCIe Gen4 Read-Intensive SSD
Brand: Western Digital | Category: Enterprise SSDs
SKU: WUS4BA138DSP3E4 | Part #: WUS4BA138DSP3E4 | MPN: WUS4BA138DSP3E4
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About the Western Digital Ultrastar DC SN860 3.84TB E1.S NVMe PCIe Gen4 Read-Intensive SSD
Built for power efficiency in dense all-flash array deployments, the Western Digital Ultrastar DC SN860 delivers enterprise-grade performance without the thermal overhead of legacy solutions. This 3.84 TB E1.S form factor drive combines PCIe Gen 4 speed with read-intensive workload optimization, making it the ideal choice for storage architects and IT procurement teams scaling hyperscale infrastructure. Western Digital engineered this drive with power loss protection via PLP capacitors, ensuring data integrity during unexpected power events—a critical requirement in mission-critical environments.
The Ultrastar DC SN860 (part number WUS4BA138DSP3E4) brings Western Digital's proven enterprise SSD reliability to next-generation storage platforms. With its read-optimized profile and enterprise-class endurance ratings, this drive reduces operational costs per terabyte while maintaining the DWPD resilience required for continuous operations. The NVMe protocol over PCIe Gen 4 eliminates SATA bottlenecks, allowing administrators to future-proof their storage infrastructure without overengineering for write-heavy use cases. Whether you are consolidating legacy storage or building new all-flash arrays, this drive delivers consistent, predictable performance across demanding workloads.
Key Specifications
- Capacity: 3.84 TB
- Form Factor: E1.S
- Interface: PCIe Gen 4
- Protocol: NVMe
- Workload Type: Read-Intensive
- Power Loss Protection: Yes (PLP capacitors)
- Part Number: WUS4BA138DSP3E4
- Manufacturer: Western Digital
Contact Omnixon Global to request a detailed quotation for the Western Digital Ultrastar DC SN860 and explore volume pricing for your enterprise deployment.
Technical Specifications
| Brand | Western Digital |
| Category | Enterprise SSDs |
| SKU | WUS4BA138DSP3E4 |
| Part Number | WUS4BA138DSP3E4 |
| Condition | New |
| Capacity | 3.84 TB |
| Interface | PCIe Gen 4 |
| Form Factor | E1.S |
| Protocol | NVME |
| Workload | Read-Intensive |
| Endurance | Enterprise (high DWPD) |
| Power Loss Protection | Yes (PLP capacitors) |
Frequently Asked Questions about Western Digital Ultrastar DC SN860 3.84TB E1.S NVMe PCIe Gen4 Read-Intensive SSD
What workloads is the Western Digital Ultrastar DC SN860 3.84TB E1.S NVMe PCIe Gen4 Read-Intensive SSD designed for?
Enterprise mixed-use and Read-Intensive workloads — including transactional databases, AI inference data, virtualisation, hyperconverged storage, and analytics. Endurance is rated for sustained 24/7 operation, not consumer-style burst use.
Will this SSD work in my Dell / HPE / Lenovo server?
Most enterprise SSDs ship in vendor-branded variants tied to a server QVL. Share your server model and we will quote the correctly-branded SKU (Dell-genuine, HPE-genuine, Lenovo-genuine) so support and firmware update tooling work without complaints.
Do you provide support support locally?
Yes. All units are sourced through distribution, so support registers cleanly with the manufacturer (Samsung / Kioxia / Solidigm / Micron / WD / Seagate) and DOA replacement is handled through our Dubai operations within 5 business days for UAE/GCC.
How do I get a quote for a bulk order?
Use the RFQ form on this page with your quantity and destination. For larger and project-scale orders we engage the vendor directly to prepare a tailored quote, and our pre-sales team follows up with a vendor-confirmed quote.