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

**URL:** https://aio.lv/en/product--western-digital-0ts2462--10754191
**Data updated:** 2026-01-21 11:02 (EET)
**Category:** Solid State Drives (SSD)
**Manufacturer:** Western Digital
**Manufacturer code:** 0TS2462
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5 732.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 4 737.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-0ts2462--10754191

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

### 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) | 80000 IOPS |
| Random read (4KB) | 980000 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 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 — 74 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 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. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 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.

## Image

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