Type | Enterprise SSD |
Form Factor | 2.5-inch U.2 |
Capacity | 15.3 TB |
Endurance Class | Value Endurance |
Series | Western Digital Ultrastar DC SN840 |
Power Consumption (Read) | Approximately 13.5 W |
Power Consumption (Write) | Approximately 18 W |
Power Consumption (Idle) | Less than 5 W |
MTBF | 2.5 million hours |
Drive Write Per Day (DWPD) | 1 DWPD for 5 years |
Cisco 15.3TB WD SN840 NVMe U.2 SSD Extreme Performance


Key Benefits

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- Delivers extremely high capacity in a compact 2.5-inch U.2 form factor, maximizing rack space efficiency
- NVMe interface and SN840 series design deliver top-tier data throughput and latency performance
- TAA compliance makes it viable for regulated environments and public sector procurement
Product Overview
The Cisco 15.3TB WD SN840 NVMe SSD is a high-performance enterprise-grade storage solution designed to meet the demanding needs of data-intensive applications. With a substantial 15.3TB capacity housed in a 2.5-inch U.2 form factor, this drive supports NVMe interface standards to ensure ultra-fast data access, minimized latency, and improved IOPS performance.
Manufactured in Malaysia and TAA compliant, this solid-state drive is optimal for government and institutional procurements. The inclusion of Western Digital's SN840 series highlights a focus on extreme performance and endurance, making it suitable for mission-critical workloads, virtualization, and databases.
Ideal for data centers upgrading from legacy drives or expanding NVMe-based infrastructure, the unit’s reliability and design approach increase ROI by ensuring long-term durability and reducing total cost of ownership.
Specifications
Product Overview
Physical & Environmental
Dimensions (H x W x D) | 15 mm x 69.85 mm x 100.45 mm |
Weight | Approximately 170 grams |
Operating Temperature | 0°C to 70°C |
Storage Temperature | -40°C to 85°C |
Operating Humidity | 5% to 95% (non-condensing) |
Shock | 1,000 G @ 0.5 ms (half sine) |
Vibration (Operating) | 2.17 Grms, 7–800 Hz |
Vibration (Non-operating) | 3.13 Grms, 5–800 Hz |
Cloud Management & Licensing
Drive Management Software | Western Digital Device Manager |
SMART Support | Yes |
NVMe Management Interface | NVMe-MI 1.1 |
Interfaces
Interface Type | PCIe 4.0 x4 NVMe 1.4 |
Connector | U.2 (SFF-8639) |
Read Throughput (Sequential) | Up to 6,200 MB/s |
Write Throughput (Sequential) | Up to 3,800 MB/s |
Random Read IOPS (4K) | Up to 1,000,000 IOPS |
Random Write IOPS (4K) | Up to 250,000 IOPS |
Latency (Read) | 80 µs typical |
Latency (Write) | 20 µs typical |
Compliance & Origin
Country of Origin | Malaysia |
TAA Compliant | Yes |
RoHS Compliant | Yes |
UL Certified | Yes |
FCC Class | Class B |
Product Code (MPN) | HCI-NVME-W15300M6= |
Advanced Security Features
Security Options | Secure Erase (Sanitize), Power Loss Protection |
Data Protection | End-to-end data path protection |
Encryption Support | AES 256-bit Encryption (SED model only, varies by SKU) |