# SSD disk Western Digital 4 TB M.2 PCI Express 4.0 NVMe SN850X

**URL:** https://aio.lv/en/product--western-digital-wds400t2x0e--5011926
**Data updated:** 2025-12-11 14:23 (EET)
**Category:** Solid State Drives (SSD)
**Manufacturer:** Western Digital
**Manufacturer code:** WDS400T2X0E
**EAN:** 0718037891378
**Warranty:** 5 Years
**Availability:** Available for order
**Price:** 562.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 465.28 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-wds400t2x0e--5011926

## 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 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Western Digital Black SN850X 4 TB M.2 PCIe 4.0 NVMe SSD offers lightning-fast read speeds of up to 7300 MB/s and write speeds of 6600 MB/s. Designed for PC components, this SSD provides ample storage capacity and exceptional performance for gaming and demanding applications. With its M.2 form factor, it ensures easy installation and efficient space utilization in your system.

## Long description

The WD\_BLACK SN850X NVMe SSD is a high-performance PCIe Gen4 storage drive designed for gaming and demanding applications. Available in capacities from 1TB to 4TB and with an optional heatsink on 1TB and 2TB models, this SSD offers very high sequential speeds and low latency to reduce load times, stuttering and in-game asset pop-in.
Advantages
Extreme read/write performance up to 7,300 MB/s delivers much shorter load times. Low latency improves responsiveness and reduces stutter during gameplay. Larger capacities let you store multiple modern AAA titles without frequent uninstalling. The optional heatsink for selected capacities helps sustain peak performance under extended heavy use. Game Mode 2.0 (Windows only) adds features such as load prediction to optimize in-game asset readiness.
Key specifications
 Form factor: M.2 NVMe
 Interface: PCIe Gen4 x4
 Sequential read speed: up to 7,300 MB/s
 Capacities: 1TB, 2TB, 4TB
 Optional heatsink available for 1TB and 2TB models
 Game Mode 2.0 support (Windows only)
How to use
Install the SN850X into an M.2 PCIe Gen4 slot on a compatible motherboard, secure it with the mounting screw, and ensure the system BIOS recognizes the drive. For models with an optional heatsink, fit the heatsink according to the manufacturer instructions before installation if required. Install the operating system or format the drive in OS disk management tools, then install games and applications to the SSD to benefit from reduced load times and improved responsiveness. Enable Game Mode 2.0 in WD software on Windows systems to use load prediction and other performance features.
Recommendations
Use the WD\_BLACK SN850X in a PCIe Gen4-capable M.2 slot for best performance, keep firmware and WD management software up to date, and consider the heatsink option for sustained peak speeds during long gaming sessions.

## Specifications

### Features

| Feature | Value |
|---|---|
| SSD capacity | 4000 GB |
| SSD form factor | M.2 |
| Read speed | 7300 MB/s |
| Write speed | 6600 MB/s |
| Random write (4KB) | 1100000 IOPS |
| Random read (4KB) | 1200000 IOPS |
| Hardware encryption | No |
| PCI Express interface data lanes | x4 |
| TBW rating | 2400 |
| Component for | PC |
| NVMe | Yes |
| Interface | PCI Express 4.0 |
| Windows operating systems supported | Windows 10, Windows 11, Windows 8.1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0075 kg |
| Height | 2.38 mm |
| Width | 22 mm |
| Depth | 80 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | 0 - 85 |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | 0 °C |

## FAQ

### How much does the SSD disk Western Digital 4 TB SN850X cost, and is it available for purchase?

The price is 562.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 518 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. All transactions are 100% secure and encrypted.

### Can SSD disk Western Digital 4 TB SN850X 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 disk Western Digital 4 TB SN850X?

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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