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header-product SSD Western Digital 3.84 TB U.3 PCI Express 4.0 NVMe Ultrastar DC SN655
2,065.49 €

SSD Western Digital 3.84 TB U.3 PCI Express 4.0 NVMe Ultrastar DC SN655

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SSD Western Digital 3.84 TB Ultrastar DC SN655 Photo 1
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SSD Western Digital 3.84 TB Ultrastar DC SN655 Photo 1
SSD Western Digital 3.84 TB Ultrastar DC SN655 Photo 2
SSD Western Digital 3.84 TB Ultrastar DC SN655 Photo 3
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SSD Western Digital 3.84 TB U.3 PCI Express 4.0 NVMe Ultrastar DC SN655

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SSD Western Digital 3.84 TB U.3 PCI Express 4.0 NVMe Ultrastar DC SN655

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Short description

The Western Digital Ultrastar DC SN655 SSD offers a capacity of 3.84 TB with a U.3 form factor. It features impressive read speeds of up to 6800 MB/s and write speeds of 2600 MB/s, making it ideal for server and workstation applications. Built with 3D TLC NAND technology, this SSD ensures durability and high performance for demanding workloads.
Available at price 2,065.49 €: 3 pcs.
Total available for order: 31 pcs.
Warranty: 5 Years
SKU: 10743589
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
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From 4.99 € (Weight: 0.16 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.79 €
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pay in 3 equal parts

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3 mth. х 688.5 €

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All payment Methods:
Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities
36 months installment: from 57.37 euros per month
Leasing for legal entities: from 71.88 euros per month
Together cheaper
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Product information

Description

The Western Digital Ultrastar DC SN655 SSD delivers 3.84 TB of NVMe storage in a U.3 form factor designed for data center, server and workstation environments. Built on 3D TLC NAND and compatible with PCI Express 4.0, this drive provides high sustained read performance up to 6800 MB/s and write performance up to 2600 MB/s. Its combination of capacity, interface and NAND technology suits applications that require fast access to large datasets and reliable operation under mixed workloads.

Advantages

The Ultrastar DC SN655 offers a balance of high sequential read speed and robust write capability, reducing application latency and accelerating data transfers. Its U.3 form factor enables easy integration into modern server platforms that support NVMe devices over PCIe 4.0. The use of 3D TLC NAND provides a durable flash architecture appropriate for enterprise-class workloads while maintaining cost-efficiency compared with higher-cost flash types.

Suitable for

  • Enterprise servers and storage arrays
  • High-performance workstations handling large media files
  • Database and analytics systems with heavy read/write operations
  • Virtualization hosts and cloud infrastructure

Key specifications

  • Form factor: U.3 (NVMe over PCIe)
  • Interface: PCI Express 4.0 (NVMe)
  • Capacity: 3.84 TB (3840 GB)
  • Maximum sequential read: up to 6800 MB/s
  • Maximum sequential write: up to 2600 MB/s
  • NAND type: 3D TLC
  • Weight: 0.1473 kg

How to use

Install the SSD into a compatible U.3 slot or adapter that supports NVMe over PCIe 4.0 following your server or workstation hardware instructions. Ensure the system firmware and NVMe driver support PCIe 4.0 operation to achieve optimal performance. After physical installation, initialize and format the drive within the operating system or storage management software, and configure RAID or tiering policies if required for your environment.

Usage recommendations

For sustained performance, operate the drive in systems with adequate cooling and current firmware. Use enterprise monitoring tools to track drive health and endurance metrics, and deploy the SSD in workload-appropriate roles such as primary storage for read-intensive datasets or mixed-use databases. Consider regular firmware updates from the manufacturer and follow best practices for backup and data redundancy.

Specifications

Component for: What this product is used as a part of (component for).
Server/workstation
Memory type: Type of memory in the device e.g. DDR3, SRAM (Static RAM).
3D TLC NAND
NVMe: NVM Express (NVMe) or Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) is an open logical device interface specification for accessing non-volatile storage media attached via a PCI Express (PCIe) bus. NVM Express, as a logical device interface, has been designed to capitalize on the low latency and internal parallelism of solid-state storage devices.
Yes
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
PCI Express 4.0
SSD form factor: The size of the solid-state drive, given in inches
U.3
SSD capacity:
3840 GB
All features

Operational conditions

Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-40 - 85
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 70

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.1473 kg
Height: The measurement of the product from head to foot or from base to top.
15 mm
Depth: The distance from the front to the back of something.
100.45 mm
Width: The measurement or extent of something from side to side.
69.85 mm

Power

Power consumption (idle):
8 W
Operating voltage: Defines the range of operating voltages available
12 V

Features

Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3)
Yes
Windows operating systems supported: Windows vesions wich can be used with the device.
Yes
Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
2500000 h
Uncorrectable Bit Error Rate (UBER):
< 1 per 10^17 bits read
Write latency:
10 µs
Read latency:
80 µs
Random write (4KB):
112000 IOPS
Random read (4KB):
1000000 IOPS
Write speed: The speed at which a device can write data.
2600 MB/s
Read speed: The speed at which a device can read data.
6800 MB/s
Component for: What this product is used as a part of (component for).
Server/workstation
Memory type: Type of memory in the device e.g. DDR3, SRAM (Static RAM).
3D TLC NAND
NVMe version:
1.4b
NVMe: NVM Express (NVMe) or Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) is an open logical device interface specification for accessing non-volatile storage media attached via a PCI Express (PCIe) bus. NVM Express, as a logical device interface, has been designed to capitalize on the low latency and internal parallelism of solid-state storage devices.
Yes
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
PCI Express 4.0
SSD form factor: The size of the solid-state drive, given in inches
U.3
SSD capacity:
3840 GB

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
BT19 3 Tomorrow Best delivery
Fast shipping
2,065.49 €
WH94 5 10.08.2026
3,824.99 €
WH354 5 10.08.2026
4,114.49 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH15 8 10.08.2026
3,354.99 €
EU9 5 10.08.2026
3,633.99 €
WH109 5 24.08.2026
3,879.99 €
Fast shipping
2,065.49 €
Stock: 3
Delivery Date: Tomorrow Best delivery
Warehouse: BT19
3,824.99 €
Stock: 5
Delivery Date: 10.08.2026
Warehouse: WH94
4,114.49 €
Stock: 5
Delivery Date: 10.08.2026
Warehouse: WH354
Available only for legal entities
3,354.99 €
Stock: 8
Delivery Date: 10.08.2026
Warehouse: WH15
3,633.99 €
Stock: 5
Delivery Date: 10.08.2026
Warehouse: EU9
3,879.99 €
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Delivery Date: 24.08.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the SSD Western Digital 3.84 TB Ultrastar DC SN655 cost, and is it available for purchase?

The price is 2,065.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 Tomorrow 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can SSD Western Digital 3.84 TB Ultrastar DC SN655 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 Western Digital 3.84 TB Ultrastar DC SN655 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: component for, memory type, nvme, interface, ssd form factor, ssd capacity, 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.
warranty
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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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.