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header-product SSD U.3 Western Digital Ultrastar DC SN655 NVMe PCIe 4.0 3.84 TB, 6800/2600 MB/s, TLC 3D NAND
5,732.49 €

SSD U.3 Western Digital Ultrastar DC SN655 NVMe PCIe 4.0 3.84 TB, 6800/2600 MB/s, TLC 3D NAND

SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 Photo 1
SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 Photo 2
SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 Photo 3
SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 Photo 1
SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 Photo 2
SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 Photo 3
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SSD U.3 Western Digital Ultrastar DC SN655 NVMe PCIe 4.0 3.84 TB, 6800/2600 MB/s, TLC 3D NAND

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Short description

Enterprise U.3 NVMe SSD Western Digital Ultrastar DC SN655 with 3.84 TB capacity for servers and workstations. PCIe 4.0 interface (NVMe 1.4b), TLC 3D NAND, read speed up to 6800 MB/s and write speed up to 2600 MB/s. High endurance and MTBF 2,500,000 h, hardware encryption, UBER < 1 per 10^17. Suitable for database, virtualization and high-performance storage. Operating range 0–70 °C, 5-year warranty.
Available at price 5,732.49 €: 22 pcs.
Total available for order: 66 pcs.
Warranty: 2 Years
SKU: 10754191
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
10.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
13.08.2026 {{selectedOffer.courierDeliveryString}}
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
13.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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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 159.24 euros per month
Leasing for legal entities: from 199.49 euros per month
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Product information

Description

The Western Digital Ultrastar DC SN655 NVMe SSD is a 3.84 TB U.3 form-factor drive designed for cloud and server environments that require high-capacity, low-latency storage. Built on PCIe 4.0 NVMe technology with Western Digital BiCS5 TLC 3D NAND and a next-generation NVMe 1.4b controller, the drive targets read-intensive, data-intensive applications and scale-out workloads while offering enterprise-grade reliability features.

Advantages

The SN655 provides dual-port redundancy with failover, end-to-end data protection and power-loss protection, plus support for U.2 and U.3 backplanes. With projected 2.5M MTBF, a 1.0 drive writes per day (DW/D) endurance class and a 5-year limited warranty, it delivers consistent QoS and high throughput (up to 6800 MB/s read, 2600 MB/s write) suitable for large unstructured datasets and machine-learning tasks.

Suitable for

  • Cloud and hyperscale server storage
  • Scale-out architectures and distributed file systems
  • Big data analytics and data lakes
  • AI and machine learning training and inference
  • Read-intensive enterprise applications

Key specifications

  • Brand: Western Digital (Ultrastar DC SN655)
  • Model / MPN: 0TS2462
  • Form factor: U.3 (compatible with U.2 backplanes)
  • Capacity: 3.84 TB (3840 GB)
  • Interface: PCI Express 4.0, NVMe 1.4b
  • Read speed: up to 6800 MB/s
  • Write speed: up to 2600 MB/s
  • NAND: TLC 3D (BiCS5)
  • Projected MTBF: 2.5 million hours
  • Endurance: 1.0 DW/D (drive writes per day)
  • Weight: 0.1473 kg
  • Warranty: 5-year limited

How to use

Install the Ultrastar DC SN655 into a compatible U.3 or U.2 backplane or server slot that supports PCIe Gen4 NVMe drives. Ensure the host firmware and drivers support NVMe 1.4b and PCIe 4.0 to obtain maximum performance. Configure RAID or dual-port settings per your server vendor guidelines when using redundant paths, and monitor drive health with vendor utilities and SMART reporting during deployment.

Usage recommendations

Use the drive in systems with adequate cooling and PCIe Gen4 support for sustained high-throughput workloads. For critical data, enable end-to-end protection and implement redundant storage configurations to take advantage of dual-port failover.

Specifications

Hardware encryption:
Yes
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).
TLC 3D 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

Other features

Warranty period:
5 year(s)

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.
14.9 mm
Depth: The distance from the front to the back of something.
100.3 mm
Width: The measurement or extent of something from side to side.
69.8 mm

Features

Server operating systems supported:
Yes
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 10^15 bits read
Random write (4KB):
80000 IOPS
Random read (4KB):
980000 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
Hardware encryption:
Yes
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).
TLC 3D NAND
NVMe version:
1.4
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

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Stock data
Warehouse Stock Delivery to the store Store Price
WH94 22 10.08.2026 Best delivery
5,732.49 €
WH357 22 10.08.2026 Best delivery
6,971.49 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 22 24.08.2026
5,808.99 €
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Stock: 22
Delivery Date: 10.08.2026 Best delivery
Warehouse: WH94
6,971.49 €
Stock: 22
Delivery Date: 10.08.2026 Best delivery
Warehouse: WH357
Available only for legal entities
5,808.99 €
Stock: 22
Delivery Date: 24.08.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the SSD Western Digital Ultrastar DC SN655 3.84 TB U.3 cost, and is it available for purchase?

The price is 5,732.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 66 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 10.08.2026 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 Western Digital Ultrastar DC SN655 3.84 TB U.3 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 Ultrastar DC SN655 3.84 TB U.3 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: hardware encryption, 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.

Where can I download the instructions for SSD Western Digital Ultrastar DC SN655 3.84 TB U.3?

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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