# Internal U.3 SSD Western Digital Ultrastar DC SN655 15.36 TB (PCIe 4.0, NVMe 1.4b, 6800/3700 MB/s)

**URL:** https://aio.lv/en/product--western-digital-0ts2463--10754190
**Data updated:** 2026-01-21 11:02 (EET)
**Category:** Solid State Drives (SSD)
**Manufacturer:** Western Digital
**Manufacturer code:** 0TS2463
**Warranty:** 5 Years
**Availability:** Available for order
**Price:** 10 809.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 8 933.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-0ts2463--10754190

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

Enterprise-grade U.3 NVMe SSD Western Digital Ultrastar DC SN655 with 15.36 TB capacity, PCIe 4.0 interface and NVMe 1.4b support. Sequential read up to 6800 MB/s and write up to 3700 MB/s, random performance to 1,100,000 IOPS (4 KB) read and 135,000 IOPS write. 3D TLC NAND, MTBF 2,500,000 h, low idle power (8 W) and operating range 0–70 °C. Designed for servers and workstations where high capacity, low latency and endurance are required.

## Long description

The Western Digital Ultrastar DC SN655 is a high-capacity enterprise SSD with 15.36 TB of usable storage in a U.3 form factor. Designed for server and workstation environments, it uses PCI Express 4.0 with NVMe 1.4b to deliver high sustained performance and reliability for demanding data workloads.
Advantages
The drive offers very fast sequential read speeds up to 6800 MB/s and write speeds up to 3700 MB/s, a robust mean time between failures (MTBF) rating of 2,500,000 hours, and a compact U.3 design that fits modern server storage bays. Its performance characteristics make it suitable for heavy I/O applications while maintaining enterprise-grade durability and power efficiency.
Suitable for
 Database servers and transaction processing
 Virtualization hosts and hyperconverged infrastructure
 High-performance workstations for data analysis
 Content delivery and caching systems
Key specifications
 Capacity: 15.36 TB
 Interface: PCI Express 4.0, NVMe 1.4b
 Form factor: U.3
 Maximum sequential read speed: up to 6800 MB/s
 Maximum sequential write speed: up to 3700 MB/s
 Mean time between failures (MTBF): 2,500,000 hours
 Operating temperature: 0 to 70 °C
 Weight: 147.3 g
How to use
Install the Ultrastar DC SN655 into a compatible U.3 drive bay or adapter that supports PCIe 4.0 NVMe. Ensure the server or workstation firmware and operating system NVMe drivers are up to date before initializing the drive. After installation, format and partition the SSD according to your operating system's storage management tools and integrate it into RAID arrays or storage pools if required by your deployment.
Usage recommendations
For optimal performance, use the drive in systems that provide PCIe 4.0 lanes and proper cooling. Monitor drive health with vendor utilities and schedule regular backups for critical datasets.

## Specifications

### Features

| Feature | Value |
|---|---|
| SSD capacity | 15360 GB |
| SSD form factor | U.3 |
| Read speed | 6800 MB/s |
| Write speed | 3700 MB/s |
| Mean time between failures (MTBF) | 2500000 h |
| Memory type | 3D TLC NAND |
| Random write (4KB) | 125000 IOPS |
| Random read (4KB) | 1100000 IOPS |
| Read latency | 100 µs |
| Write latency | 15 µs |
| Component for | Server/workstation |
| NVMe | Yes |
| NVMe version | 1.4b |
| Interface | PCI Express 4.0 |
| Windows operating systems supported | Y |
| Linux operating systems supported | Y |
| Uncorrectable Bit Error Rate (UBER) | \< 1 per 10^17 bits read |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.1473 kg |
| Height | 15 mm |
| Width | 69.85 mm |
| Depth | 100.45 mm |

### Power

| Feature | Value |
|---|---|
| Operating voltage | 12 V |
| Power consumption (idle) | 8 W |

### Operational conditions

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

## FAQ

### How much does the U.3 SSD Western Digital Ultrastar DC SN655 15.36 TB cost, and is it available for purchase?

The price is 10,809.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 59 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 Friday 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, 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.

## Image

https://aio.lv/img/cache/product/10754190/62378428_large.webp