# SSD SANDISK Western Digital Black SN850X 4 TB M.2 PCIe 4.0 NVMe — 7300/6600 MB/s

**URL:** https://aio.lv/en/product--sandisk-wds400t2x0e-00bca0--11642136
**Data updated:** 2025-12-31 11:23 (EET)
**Category:** Solid State Drives (SSD)
**Manufacturer:** SANDISK
**Manufacturer code:** WDS400T2X0E-00BCA0
**EAN:** 0718037891378
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 557.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 460.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sandisk-wds400t2x0e-00bca0--11642136

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

High-performance M.2 NVMe SSD SANDISK Western Digital Black SN850X with 4 TB capacity. Uses PCIe 4.0 interface and delivers up to 7300 MB/s sequential read and 6600 MB/s sequential write. Designed for PC use, gaming, content creation and heavy workloads that require fast storage response and large local capacity.

## Long description

WD\_BLACK SN850X NVMe SSD (4 TB) is a high-performance M.2 PCIe 4.0 drive designed for PC gaming and heavy workloads. With sequential read speeds up to 7,300 MB/s and write speeds up to 6,600 MB/s, this SanDisk / Western Digital Black drive provides fast load times, reduced stutter and ample local capacity for large modern game installations and content creation projects.
Advantages
The drive delivers near-maximum PCIe Gen4 performance for sustained high throughput and low latency. Large 4 TB capacity accommodates multiple AAA titles and large media files. NVMe interface and high IOPS support quick asset streaming and responsive system performance. The product is available in heatsink variants on smaller capacities to help maintain peak performance during extended heavy use, and it integrates Game Mode 2.0 (Windows) features for improved in-game loading behavior.
Suitable for
High-end PC gaming (fast load times, reduced pop-in)
Content creation and video editing with large project files
System drives for performance-oriented desktops and workstations
Users who need large local storage for multiple games and media
Key specifications
Form factor: M.2
Interface: PCIe 4.0, NVMe
Capacity: 4 TB (4000 GB)
Sequential read speed: up to 7,300 MB/s
Sequential write speed: up to 6,600 MB/s
Random IOPS (approx.): read 1,200,000 IOPS, write 1,100,000 IOPS
Weight: 0.0075 kg
How to use
Install the M.2 SSD into an available M.2 PCIe 4.0 slot on a compatible motherboard following the manufacturer’s installation instructions. Secure the module with the standoff and screw, enable the drive in BIOS/UEFI if required, then initialize and format the drive in your operating system. On Windows, install or enable Game Mode 2.0 features through the WD/SanDisk software to take advantage of load prediction and other performance optimizations.
Usage recommendations
For best sustained performance, use the drive in a motherboard M.2 slot that supports PCIe 4.0 and ensure adequate case airflow or use the heatsink variant for systems that run extended heavy workloads. Keep firmware and WD/SanDisk software up to date to benefit from Game Mode enhancements and stability improvements.

## 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 SANDISK Western Digital Black SN850X 4 TB cost, and is it available for purchase?

The price is 557.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 42 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 16.07.2026 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 SANDISK Western Digital Black SN850X 4 TB 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 SANDISK 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 SANDISK 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 SANDISK Western Digital Black SN850X 4 TB?

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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