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Western Digital SN861 SSD 3.8TB 2.5'' Type With PCI Express 5.0 Connection 0TS2526
SSD Hard Drives

Western Digital SN861 SSD 3.8TB 2.5'' Type With PCI Express 5.0 Connection 0TS2526

Key features:

  • Storage Capacity: 3.84 TB
  • Read Speed: Up to 13,700 MB/s
  • Write Speed: 7,500 MB/s
  • Interface: U.2 with PCI Express NVMe 5.
See full description

  • Communication Protocol

    Most SSDs use SATA III or PCI Express.

    Almost all 2.5" SSDs connect via SATA III while most M.2 SSDs connect via PCI Express.


    PCI Express connection offers higher speeds, but this is mainly noticeable in demanding applications (high-resolution video processing, transferring large files, etc.) and is not necessary for everyday use.
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Product report

Description

Description

The ULTRASTAR DC SN861 3.84TB NVMe SSD is designed for the most demanding conditions, offering unparalleled performance and reliability. This advanced enterprise hard drive from SanDisk, a brand of Western Digital, integrates seamlessly into data centers and cloud infrastructures.

  • Storage Capacity: 3.84 TB
  • Maximum Sequential Read Speed: Up to 13,700 MB/s
  • Endurance: Rated for 1 Write Per Day (DWPD)
  • Interface: U.2 with PCI Express NVMe 5.0
  • Random 4K Read IOPS: Up to 3,300,000
  • Mean Time Between Failures (MTBF): 2,500,000 hours
  • Dimensions: Approximately 4 inches depth, 2.7 inches width, 0.6 inches height
  • Form Factor: 15mm

This SSD stands out in managing critical workloads, especially for AI and machine learning applications that require low latency and high bandwidth. Its design ensures optimal energy efficiency, allowing for reduced operational costs.

The WD Ultrastar DC SN861 from Western Digital is designed for demanding data center applications and offers a reliable storage solution with a capacity of 7.68 TB. This internal SSD can operate in a temperature range from 0 °C to 70 °C and withstand extreme temperatures, with storage capacity maintained from -40 °C to 85 °C. With an internal data rate of 13,700 MB/s and a write speed of 7,500 MB/s, it ensures performance and responsiveness for critical workloads. This drive complies with NVMe 2.0 standards and features a 2.5-inch form factor for compatibility with various systems. It includes several features that enhance data integrity and reliability, such as end-to-end data path protection, Instant Secure Erase (ISE), and Power Loss Protection (PLP). These features work together to minimize the risk of data loss and ensure that users can rely on this drive in high-demand environments.


  • SSD Type: SSD U.2
  • Form Factor: 2.5"
  • Storage Capacity: 7680 GB
  • Interface: PCIe 5.0
  • Protocol: NVMe
  • Read Transfer Speed: 13700 MB/s
  • Write Transfer Speed: 7500 MB/s
  • Maximum 4K Random Read: 3300000 IOPS
  • Maximum 4K Random Write: 430000 IOPS
  • SSD Features: AES Encryption

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Capacity
3840 GB

Capacity

The golden ratio of cost and capacity for now is 500GB and 1TB.

For gaming or professional programs that require a lot of space for their installation, a capacity of at least 500GB is recommended. 

As an indication, a 1TB hard drive can hold about 250 thousand photos taken with a 12MP camera or 250 movies.
Communication Protocol
PCI Express 5.0

Communication Protocol

Most SSDs use SATA III or PCI Express.

Almost all 2.5" SSDs connect via SATA III while most M.2 SSDs connect via PCI Express.


PCI Express connection offers higher speeds, but this is mainly noticeable in demanding applications (high-resolution video processing, transferring large files, etc.) and is not necessary for everyday use.
NVMe
Yes

NVMe

Communication template that enhances the performance and speed of SSDs.

The higher speeds offered by an NVMe drive are mainly applicable to demanding applications (high-resolution video processing, transferring large files, etc.) and are not necessary for simple everyday use.
Heatsink
No

Heatsink

The SSD is equipped with a heatsink to maintain low temperatures, ensuring better performance and more efficient heat dissipation in the SSD.
Compatible with PlayStation 5
No

Compatible with PlayStation 5

Compatible with PS5.
Cache Type
-
Write Endurance (TBW)
-

Write Endurance (TBW)

Shows the total amount of data (in TB) that the SSD can write over its lifetime, according to the manufacturer’s specifications. A higher value means greater theoretical endurance for frequent data writes.

Dimensions

Form Factor
2.5''

Form Factor

The term form factor refers to the physical size of SSDs. The motherboard must support the form factor of the SSD in order for it to be installed.


The higher speeds offered by an NVMe drive are mainly applicable to demanding applications (such as high-definition video processing, transferring large files, etc.) and are not necessary for everyday use.

2.5''
The most classic size of SATA SSD hard drive.

HDD hard drives in laptops are of this size, so upgrading with an SSD is the right choice.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

The ULTRASTAR DC SN861 3.84TB NVMe SSD is designed for the most demanding conditions, offering unparalleled performance and reliability. This advanced enterprise hard drive from SanDisk, a brand of Western Digital, integrates seamlessly into data centers and cloud infrastructures.

  • Storage Capacity: 3.84 TB
  • Maximum Sequential Read Speed: Up to 13,700 MB/s
  • Endurance: Rated for 1 Write Per Day (DWPD)
  • Interface: U.2 with PCI Express NVMe 5.0
  • Random 4K Read IOPS: Up to 3,300,000
  • Mean Time Between Failures (MTBF): 2,500,000 hours
  • Dimensions: Approximately 4 inches depth, 2.7 inches width, 0.6 inches height
  • Form Factor: 15mm

This SSD stands out in managing critical workloads, especially for AI and machine learning applications that require low latency and high bandwidth. Its design ensures optimal energy efficiency, allowing for reduced operational costs.

The WD Ultrastar DC SN861 from Western Digital is designed for demanding data center applications and offers a reliable storage solution with a capacity of 7.68 TB. This internal SSD can operate in a temperature range from 0 °C to 70 °C and withstand extreme temperatures, with storage capacity maintained from -40 °C to 85 °C. With an internal data rate of 13,700 MB/s and a write speed of 7,500 MB/s, it ensures performance and responsiveness for critical workloads. This drive complies with NVMe 2.0 standards and features a 2.5-inch form factor for compatibility with various systems. It includes several features that enhance data integrity and reliability, such as end-to-end data path protection, Instant Secure Erase (ISE), and Power Loss Protection (PLP). These features work together to minimize the risk of data loss and ensure that users can rely on this drive in high-demand environments.


  • SSD Type: SSD U.2
  • Form Factor: 2.5"
  • Storage Capacity: 7680 GB
  • Interface: PCIe 5.0
  • Protocol: NVMe
  • Read Transfer Speed: 13700 MB/s
  • Write Transfer Speed: 7500 MB/s
  • Maximum 4K Random Read: 3300000 IOPS
  • Maximum 4K Random Write: 430000 IOPS
  • SSD Features: AES Encryption

Manufacturer

Manufacturer Details

Warnings & Safety Information

Product Details

Capacity
3840 GB

Capacity

The golden ratio of cost and capacity for now is 500GB and 1TB.

For gaming or professional programs that require a lot of space for their installation, a capacity of at least 500GB is recommended. 

As an indication, a 1TB hard drive can hold about 250 thousand photos taken with a 12MP camera or 250 movies.
Communication Protocol
PCI Express 5.0

Communication Protocol

Most SSDs use SATA III or PCI Express.

Almost all 2.5" SSDs connect via SATA III while most M.2 SSDs connect via PCI Express.


PCI Express connection offers higher speeds, but this is mainly noticeable in demanding applications (high-resolution video processing, transferring large files, etc.) and is not necessary for everyday use.
NVMe
Yes

NVMe

Communication template that enhances the performance and speed of SSDs.

The higher speeds offered by an NVMe drive are mainly applicable to demanding applications (high-resolution video processing, transferring large files, etc.) and are not necessary for simple everyday use.
Heatsink
No

Heatsink

The SSD is equipped with a heatsink to maintain low temperatures, ensuring better performance and more efficient heat dissipation in the SSD.
Compatible with PlayStation 5
No

Compatible with PlayStation 5

Compatible with PS5.
Cache Type
-
Write Endurance (TBW)
-

Write Endurance (TBW)

Shows the total amount of data (in TB) that the SSD can write over its lifetime, according to the manufacturer’s specifications. A higher value means greater theoretical endurance for frequent data writes.

Dimensions

Form Factor
2.5''

Form Factor

The term form factor refers to the physical size of SSDs. The motherboard must support the form factor of the SSD in order for it to be installed.


The higher speeds offered by an NVMe drive are mainly applicable to demanding applications (such as high-definition video processing, transferring large files, etc.) and are not necessary for everyday use.

2.5''
The most classic size of SATA SSD hard drive.

HDD hard drives in laptops are of this size, so upgrading with an SSD is the right choice.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

9.754,23 €
14,00 €   shipping cost