MPN: 0TS2057·By: Western Digital
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The Western Digital Ultrastar DC SN840 WUS4BA176DSP3X4 is an enterprise solid state drive designed for demanding data center environments. Identified by SKU 0TS2057, this SSD provides 7.68TB of storage capacity, aligning with high-capacity requirements in modern infrastructure. Classified in the U.2 NVMe PCIe SSD category, it is suitable for systems that standardize on this interface and form factor. As part of the Ultrastar DC SN840 product line, it targets enterprise applications that require consistent performance and reliability from solid state storage. The 7.68TB capacity supports large datasets, virtualized environments, and consolidation of workloads onto fewer drives. With its enterprise designation, it is appropriate for IT procurement teams planning standardized deployments of U.2 NVMe PCIe SSDs across servers and storage platforms that can utilize this specific Ultrastar DC SN840 configuration.
| Manufacturer part # | 0TS2057 |
|---|---|
| Brand | Western Digital |
| Condition | New |
| Model | WUS4BA176DSP3X4 |
| Series | Ultrastar DC SN840 |
| Capacity | 7.68 TB |
| Controller | Western Digital dual-port NVMe 1.3c compliant controller |
| Encryption | TCG Ruby |
| Generation | 3rd generation performance NVMe SSD for data center |
| Idle Power | 6 W idle power |
| Technology | NVMe 1.3c enterprise data center SSD |
| Drive Class | Enterprise SSD |
| Form Factor | 2.5-inch |
| Product Line | Ultrastar DC SN840 |
| Product Type | Solid State Drive |
| Data Retention | 90 days at 40°C equivalent data retention |
| Security Options | Secure Erase (SE), Instant Secure Erase (ISE), TCG Ruby, AES‑256 encryption engine |
| Namespaces Support | Up to 128 NVMe namespaces |
| Atomic Write Support | Supports atomic writes |
| Annualized Failure Rate | 0.35 percent projected AFR |
| Scatter Gather List Support | Supports SGL (Scatter-Gather List) |
| Uncorrectable Bit Error Rate | 1 in 10^17 bits read |
| Multiple Sector Sizes Support | Supports multiple sector sizes |
| Operating Power (Max Average) | 18 W maximum average operating power |
| Protection Information Support | Supports end-to-end data path protection information |
| MTBF | 2.5 million hours |
|---|---|
| Read Latency | Approximately 157 microseconds read latency for 7.68TB 1 DWPD class |
| Endurance Class | 1 drive write per day (1 DWPD) for read‑intensive workloads |
| NAND Flash Type | 3D TLC |
| Endurance Rating | 1 DWPD |
| Interface Bandwidth | 4 GB/s |
| Maximum Random Read IOPS | Up to 780,000 IOPS random read |
| Maximum Random Write IOPS | Up to 257,000 IOPS random write |
| Maximum Sequential Read Throughput | Up to 3,470 MB/s sequential read |
| Mixed Random 70/30 Read/Write IOPS | Up to 503,000 IOPS mixed 70/30 random read/write |
| Maximum Sequential Write Throughput | Up to 3,330 MB/s sequential write |
| Maximum Read Throughput (MiB/s, Seq 128KiB) | 3311 MiB/s maximum sequential read throughput (128KiB) |
| Maximum Write Throughput (MiB/s, Seq 64KiB) | 3100–3184 MiB/s maximum sequential write throughput (64KiB) for 7.68TB class |
| Input Voltage Requirements | 12 V DC ±5 percent and 3.3 V DC ±15 percent |
|---|
| Interface | PCIe Gen 3.1 x4 |
|---|---|
| PCIe Version | PCIe Gen 3.1 |
| NVMe Revision | NVMe 1.3c compliant |
| Interface Type | U.2 NVMe |
| Port Configuration | Dual-port NVMe interface for high availability |
| PCIe Lane Configuration | Supports PCIe 3.1 1x4 or 2x2 lane configurations |
| NVMe Management Interface | NVMe-MI version 1.1 |
Suited for enterprise storage environments that require a 7.68TB solid state drive from the Ultrastar DC SN840 line in a U.2 NVMe PCIe form factor.
Appropriate for data center deployments standardizing on Western Digital Ultrastar DC SN840 enterprise SSDs with 7.68TB capacity and NVMe connectivity.
Fits infrastructures built around U.2 NVMe PCIe SSD bays where a 7.68TB enterprise-class drive such as the Ultrastar DC SN840 WUS4BA176DSP3X4 is required.
Useful for consolidating workloads onto fewer drives by leveraging the 7.68TB capacity in environments that support U.2 NVMe enterprise SSDs.
Supports standardized SSD fleets where IT teams specify Western Digital Ultrastar DC SN840 enterprise models, including the 0TS2057 7.68TB variant.
The Western Digital Ultrastar DC SN840 WUS4BA176DSP3X4 with SKU 0TS2057 provides 7.68TB of solid state storage capacity. This capacity level aligns with the 7.68TB enterprise category, making it suitable for environments that need high-capacity SSDs for consolidating workloads on fewer drives.
This drive is categorized as a U.2 NVMe PCIe solid state drive. That means it is intended for systems built with U.2 NVMe PCIe bays, allowing IT teams to match it with compatible enterprise servers and storage platforms that support this interface category.
Yes, the drive is listed at an enterprise product level and belongs to the Ultrastar DC SN840 line of solid state drives. Its classification within the 7.68TB Enterprise U.2 NVMe PCIe SSD category indicates it is targeted at data center and enterprise deployments rather than consumer or client systems.
You can identify this SSD by several key identifiers: the brand Western Digital, the Ultrastar DC SN840 product line, the model WUS4BA176DSP3X4, and the SKU 0TS2057. Using these identifiers helps ensure the exact 7.68TB U.2 NVMe enterprise variant is specified in procurement documents.
The 0TS2057 is classified in the Solid State Drives category, specifically as a U.2 NVMe PCIe SSD with a 7.68TB enterprise capacity point. This categorization helps distinguish it from other storage types such as hard disk drives and clarifies its intended use in enterprise NVMe-based infrastructures.
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