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

**URL:** https://aio.lv/en/product--western-digital-0ts2467--11363046
**Data updated:** 2025-12-30 21:11 (EET)
**Category:** Solid State Drives (SSD)
**Manufacturer:** Western Digital
**Manufacturer code:** 0TS2467
**EAN:** 0619659203153
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3 341.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 2 761.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-0ts2467--11363046

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary 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 high-performance server and workstation applications. Utilizing PCI Express 4.0 technology and TLC 3D NAND, this SSD ensures outstanding performance and reliability for demanding workloads.

## Long description

The Western Digital Ultrastar DC SN655 SSD (3.84 TB, U.3) is a high-capacity NVMe drive designed for cloud, scale-out and server environments that require low-latency access and large capacity for read-intensive workloads. Built on PCIe 4.0 with a next-generation NVMe 1.4b controller and TLC 3D NAND, this U.3 form-factor SSD delivers high sequential and random performance while integrating enterprise features such as dual-port redundancy, end-to-end data protection, and power-loss protection.
Advantages
This Ultrastar DC SN655 model provides high throughput and low latency—up to 6800 MB/s sequential read and 2600 MB/s sequential write—combined with enterprise-grade endurance and reliability (projected 2.5M MTBF and 1.0 DW/D warranty coverage). The U.3 form factor and support for U.2/U.3 backplanes enable straightforward integration into standard 2.5" server storage infrastructures, while dual-port failover and data-protection features improve availability for critical workloads.
Suitable for
Cloud and hyperscale storage systems
Big data analytics and data lakes handling large unstructured datasets
Machine learning and AI training pipelines requiring high IOPS and low latency
Enterprise servers and scale-out architectures with U.3/U.2 backplanes
Key specifications
Brand: Western Digital
Model: Ultrastar DC SN655 (MPN 0TS2467, EAN 0619659203153)
Form factor: U.3 (compatible with U.2/U.3 backplanes)
Capacity: 3.84 TB (3840 GB)
Interface: PCIe Generation 4.0, NVMe 1.4b
Max sequential read: up to 6800 MB/s
Max sequential write: up to 2600 MB/s
Weight: 0.1473 kg
Enterprise features: dual-port redundancy, end-to-end data protection, power-loss protection
Reliability: projected 2.5M MTBF, 1.0 DW/D endurance metric, 5-year limited warranty
How to use
Install the SSD in a compatible U.3 (or U.2 with adapter) backplane or slot on servers that support PCIe 4.0 for optimal performance. Ensure the server firmware and operating system NVMe drivers support NVMe 1.4b and PCIe Gen4. Configure the drive within the server or storage array according to your storage architecture (single-port or dual-port configurations) and follow standard procedures for filesystem creation, partitioning and any RAID or software-defined storage setups.
Usage recommendations
Deploy this 3.84 TB Ultrastar DC SN655 in read-intensive, capacity-driven environments such as big data, analytics and AI pipelines. For maximum reliability and availability, use dual-port configurations where supported, keep firmware up to date, and monitor drive health via vendor management tools.

## Specifications

### Features

| Feature | Value |
|---|---|
| SSD capacity | 3840 GB |
| SSD form factor | U.3 |
| Read speed | 6800 MB/s |
| Write speed | 2600 MB/s |
| Mean time between failures (MTBF) | 2500000 h |
| Memory type | TLC 3D NAND |
| Server operating systems supported | Y |
| Random write (4KB) | 112000 IOPS |
| Random read (4KB) | 1000000 IOPS |
| Hardware encryption | Yes |
| Component for | Server/workstation |
| NVMe | Yes |
| NVMe version | 1.4 |
| Interface | PCI Express 4.0 |
| Windows operating systems supported | Y |
| Linux operating systems supported | Y |
| Uncorrectable Bit Error Rate (UBER) | \< 1 per 10^15 bits read |

### Other features

| Feature | Value |
|---|---|
| Warranty period | 5 year(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.1473 kg |
| Height | 14.9 mm |
| Width | 69.8 mm |
| Depth | 100.3 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | 0 - 70 |

## FAQ

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

The price is 3,341.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 15.07.2026 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, 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 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. More information about warranty service: https://aio.lv/en/warranty

### 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, weight, 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 SN655?

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.

## Image

https://aio.lv/img/cache/product/11363046/65849604_large.webp