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header-product SSD disk Western Digital 3.84 TB U.2 PCI Express 5.0 NVMe Ultrastar DC SN861
2,053.99 €

SSD disk Western Digital 3.84 TB U.2 PCI Express 5.0 NVMe Ultrastar DC SN861

SSD disk Western Digital 3.84 TB Ultrastar DC SN861 Photo 1
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SSD disk Western Digital 3.84 TB U.2 PCI Express 5.0 NVMe Ultrastar DC SN861

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SSD disk Western Digital 3.84 TB U.2 PCI Express 5.0 NVMe Ultrastar DC SN861

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Usual Price: 7,743.49 €
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The discount is valid from 28.05.2026 to 27.06.2026

Short description

The Western Digital Ultrastar DC SN861 is a high-performance SSD with a capacity of 3.84 TB. It features a U.2 form factor and utilizes PCI Express 5.0 NVMe technology, offering impressive read speeds of up to 13700 MB/s and write speeds of 7200 MB/s. Designed for servers and workstations, this SSD ensures fast data access and reliability for demanding applications.
Available at price 2,053.99 €: 1 pcs.
Total available for order: 4 pcs.
Warranty: 2 Years
SKU: 11426505
delivery
to the Customer Service Center at Kengaraga 2b, Riga
06.07.2026 {{selectedOffer.officeDeliveryString}}
free
Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
06.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
09.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.14 kg)
Parcel couriers
Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa
09.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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3 mth. х 684.66 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities
36 months installment: from 57.06 euros per month
Leasing for legal entities: from 71.48 euros per month
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Product information

Description

The Western Digital Ultrastar DC SN861 3.84 TB U.2 PCIe 5.0 NVMe SSD is a high-performance enterprise drive designed for servers, hyperscale and cloud data centers, and compute-intensive applications. It delivers PCIe Gen5 read/write throughput, low latency and optimized power efficiency in a U.2 form factor to support demanding AI, machine learning and mixed workload environments.

Advantages

The DC SN861 provides high random read performance and strong sustained write capability with PCIe 5.0 bandwidth, balanced with power-efficient design to maximize IOPs per watt. It includes enterprise features such as Power Loss Protection, End-to-End Data Path Protection and TCG security/encryption, plus support for NVMe 2.02, NVMe MI 1.2c, Flexible Data Placement and OCP 2.0. The drive is available in multiple capacities and carries a limited 5-year warranty.

Suitable for

  • AI training and inference servers
  • Machine learning workloads
  • Hyperscale and cloud data center storage
  • Enterprise databases and virtualisation
  • Mixed read/write intensive applications

Key specifications

  • Form factor: U.2
  • Capacity: 3.84 TB (3840 GB)
  • Interface: PCI Express 5.0, NVMe
  • Max sequential read speed: up to 13,700 MB/s
  • Max sequential write speed: up to 7,200 MB/s
  • Standards: NVMe 2.02, NVMe MI 1.2c, OCP 2.0 support
  • Endurance options: 1 and 3 DWPD (as supported by model family)
  • Warranty: 5-year limited warranty

How to use

Install the Ultrastar DC SN861 into a compatible U.2 drive bay or adapter on a PCIe Gen5-capable server or workstation. Ensure the system BIOS/firmware and NVMe drivers support PCIe 5.0 and NVMe 2.02 for full functionality. Configure the drive within the operating system or storage controller, initialise and format as required by your workload, and apply any vendor-recommended firmware or security configurations (for example TCG encryption) before use.

Usage recommendations

For best results in AI and mixed workloads, pair the DC SN861 with PCIe Gen5 platforms, maintain up-to-date firmware, and monitor drive health and endurance. Use appropriate cooling and power-loss protection measures in server environments to preserve performance and data integrity.

Specifications

SSD form factor:
U.2
SSD capacity:
3840 GB
Read speed:
13700 MB/s
Write speed:
7200 MB/s
All features

Features

SSD capacity:
3840 GB
SSD form factor:
U.2
Read speed:
13700 MB/s
Write speed:
7200 MB/s
Mean time between failures (MTBF):
2500000 h
Random write (4KB):
330000 IOPS
Random read (4KB):
3300000 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):
1

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

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
WH94 1 06.07.2026 Best delivery
Discount 73%
2,053.99 €
WH357 1 10.07.2026 2,368.99 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH15 2 06.07.2026 Best delivery 3,160.99 €
Discount 73%
2,053.99 €
Stock: 1
Delivery Date: 06.07.2026 Best delivery
Warehouse: WH94
2,368.99 €
Stock: 1
Delivery Date: 10.07.2026
Warehouse: WH357
Available only for legal entities
3,160.99 €
Stock: 2
Delivery Date: 06.07.2026 Best delivery
Warehouse: WH15

Customer reviews

Customer questions

FAQ

How much does the SSD disk Western Digital 3.84 TB Ultrastar DC SN861 cost, and is it available for purchase?

The price is 2,053.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can SSD disk Western Digital 3.84 TB Ultrastar DC SN861 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the SSD disk Western Digital 3.84 TB Ultrastar DC SN861 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 Western Digital 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 Western Digital 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 disk Western Digital 3.84 TB Ultrastar DC SN861?

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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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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