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header-product SSD Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0 Read 13700 MB/s Write 3600 MB/s
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AiO.lv Computer Components Pc Components Solid State Drives (SSD) SANDISK

SSD Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0 Read 13700 MB/s Write 3600 MB/s

SSD Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0 Photo 1
SSD Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0 Photo 1
SSD Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0 Read 13700 MB/s Write 3600 MB/s
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Short description

The Western Digital Ultrastar DC SN861 is a high-performance SSD designed for servers and workstations. With a capacity of 1.6 TB, it offers exceptional read speeds of up to 13700 MB/s and write speeds of 3600 MB/s. This U.2 PCIe 5.0 SSD is ideal for demanding applications requiring fast data access and reliability.
Warranty: 2 Years
SKU: 11452160
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Product information

Description

The Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0 is a high-performance enterprise SSD designed for servers, hyperscale and cloud data centers, and compute-intensive workstations. This U.2 form-factor drive delivers PCIe Gen5 read speeds up to 13,700 MB/s and write speeds up to 3,600 MB/s, with a 1.6 TB capacity and enterprise-grade features for data integrity and reliability.

Advantages

The Ultrastar DC SN861 combines very high random read performance and low latency with optimized power efficiency to maximize IOPS per watt. It supports NVMe 2.02 and OCP 2.0, offers power-loss protection and end-to-end data path protection, and includes TCG security/encryption. Available endurance options (1 and 3 DWPD) and a limited five-year warranty make it suitable for mission-critical workloads.

Suitable for

  • AI and machine learning training and inference
  • Hyperscale and cloud storage nodes
  • High-performance database and transaction systems
  • Virtualization and mixed enterprise workloads

Key specifications

  • Form factor: U.2
  • Interface: PCIe Gen5 (NVMe) — NVMe 2.02 compatible
  • Capacity: 1.6 TB (1600 GB)
  • Sequential read speed: up to 13,700 MB/s
  • Sequential write speed: up to 3,600 MB/s
  • Endurance: options include 1 & 3 DWPD (manufacturer specification)
  • Enterprise features: Power Loss Protection, End-to-End Data Path Protection, TCG security/encryption
  • Warranty: 5-year limited (manufacturer)

How to use

Install the SSD into a compatible U.2 slot or adapter on a server or workstation that supports PCIe Gen5. Ensure the system firmware and NVMe driver support NVMe 2.02 for full feature compatibility. Configure the drive within your operating system or storage controller, provision partitions or namespaces as required, and integrate into your existing storage pool or application workload. Monitor SMART and telemetry metrics to track drive health and performance over time.

Usage recommendations

For optimal performance in AI, machine learning, and mixed enterprise workloads, pair the Ultrastar DC SN861 with platforms that support PCIe Gen5 and NVMe 2.02, follow vendor guidelines for thermal management and power provisioning, and select the endurance (DWPD) option that matches your write-intensity requirements.

Specifications

SSD form factor:
U.2
SSD capacity:
1600 GB
Read speed:
13700 MB/s
Write speed:
3600 MB/s
All features

Features

SSD capacity:
1600 GB
SSD form factor:
U.2
Read speed:
13700 MB/s
Write speed:
3600 MB/s
Mean time between failures (MTBF):
2500000 h
Random write (4KB):
350000 IOPS
Random read (4KB):
2100000 IOPS
Read latency:
65 µs
Write latency:
8 µs
Hardware encryption:
Yes
Component for:
Server/workstation
NVMe:
Yes
NVMe version:
2.0
Interface:
PCI Express 5.0
Uncorrectable Bit Error Rate (UBER):
< 1 per 10^17 bits read
Drive writes per day (DWPD):
3

Other features

Warranty period:
5 year(s)

Weight & dimensions

Height:
15 mm
Width:
69.8 mm
Depth:
100.4 mm

Power

Power consumption (idle):
-5 W

Operational conditions

Storage temperature (T-T):
-40 - 85
Operating temperature (T-T):
0 - 70
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Instructions

mmo_122087212_1726556792_0134_1833883.pdf

Description

Instructions

mmo_122087212_1726556792_0134_1833883.pdf
Machine translation. Load original

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All SANDISK products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized SANDISK service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: ssd form factor, ssd capacity, read speed, write speed, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for SSD Western Digital Ultrastar DC SN861 1.6 TB U.2 PCIe 5.0?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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