# Internal Hard Drive Western Digital 4TB 3.5" SAS Ultrastar DC HC310

**URL:** https://aio.lv/en/product--hitachi-hus726t4tal5204--3238371
**Data updated:** 2026-05-12 10:00 (EEST)
**Category:** Solid State Drives (SSD)
**Manufacturer:** HITACHI
**Manufacturer code:** HUS726T4TAL5204
**EAN:** 5706998798831
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 412.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 341.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hitachi-hus726t4tal5204--3238371

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Western Digital Ultrastar DC HC310 is a high-performance internal hard drive with a capacity of 4TB and a speed of 7200 RPM. It features a 256MB buffer and a 3.5" form factor, making it ideal for data-intensive applications. The SAS interface ensures fast data transfer rates and reliability, suitable for enterprise environments.

## Long description

The Western Digital Ultrastar DC HC310 is a high-performance 4TB internal hard drive designed for demanding enterprise environments and data center applications. Built on a proven air-platform architecture, this 3.5-inch drive combines reliable storage capacity with the speed required for modern server workloads. With a spindle speed of 7200 RPM and a 256MB cache buffer, it ensures efficient data processing and quick access times for block and file storage architectures.
Advantages
This hard drive offers a cost-effective solution for IT managers looking to balance storage capacity with performance. It is engineered to handle intensive workloads of up to 550TB per year, providing the durability necessary for continuous operation. The SAS interface facilitates high-speed data transfer and robust connectivity, making it a reliable choice for scalable computing environments and traditional server setups that require consistent performance without exceeding budget constraints.
Suitable for
Enterprise data centers
Server and storage applications
Block and file storage architectures
Distributed and scalable computing environments
Data-intensive workloads requiring high reliability
This drive is not suitable for standard desktop computers or laptops that lack a SAS controller, as it requires a compatible SAS host bus adapter or RAID controller to function. It is also not intended for consumer-grade home use where quiet operation is prioritized over enterprise-level performance and durability.
Key specifications
Capacity: 4TB
Form factor: 3.5-inch
Interface: SAS
Rotational speed: 7200 RPM
Cache buffer: 256MB
Workload rating: Up to 550TB per year
Weight: 0.715 kg
How to use
To install the Western Digital Ultrastar DC HC310, ensure your server or storage array is powered down and disconnected from the power source. Mount the drive into a compatible 3.5-inch drive bay within your chassis. Connect the SAS data cable and the power cable securely to the drive. Once installed, power on the system and configure the drive through your RAID controller or operating system disk management utility to initialize and format the storage space for use.
What to consider before purchase
Verify that your system supports the SAS interface.
Ensure your server chassis has an available 3.5-inch drive bay.
Confirm that your RAID controller or HBA is compatible with SAS drives.
Assess your annual data workload to ensure it aligns with the drive's 550TB rating.
Usage recommendations
For optimal performance and longevity, ensure the server environment maintains adequate airflow and cooling. Regularly monitor the drive's health status using SMART diagnostics to proactively manage storage reliability in enterprise deployments.

## Specifications

| Feature | Value |
|---|---|
| Read seek time | 8 ms |
| Write seek time | 8.6 ms |
| Type | HDD |
| Power consumption (typical) | 12.8 W |
| Average latency | 4.16 ms |
| HDD size | 3.5 |
| Start/stop cycles | 600000 |
| SMART technology | Yes |
| User guide | Yes |
| HDD interface transfer rate | 12 Gbit/s |
| HDD sustained transfer rate | 243 MiB/s |

### Features

| Feature | Value |
|---|---|
| Certification | REACH, UL, CE/ICES/VCCI, BSMI, RCM, KCC |
| Mean time between failures (MTBF) | 2000000 h |
| Component for | Server/workstation |
| Interface | SAS |
| Storage drive buffer size | 256 MB |

### Other features

| Feature | Value |
|---|---|
| HDD capacity | 4000 GB |
| HDD speed | 7200 |
| Compliance certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.715 kg |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Depth | 147 mm |

### Power

| Feature | Value |
|---|---|
| Operating voltage | 5 V |
| Power consumption (idle) | 7 W |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 5 - 60 |
| Operating shock | 70 G |
| Non-operating shock | 300 G |
| Non-operating vibration | 1.04 G |
| Operating vibration | 0.67 G |

### Packaging data

| Feature | Value |
|---|---|
| Manual | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 cost, and is it available for purchase?

The price is 412.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 09.07.2026 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. 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 HITACHI 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 HITACHI 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: 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 Internal Hard Drive Western Digital 4TB Ultrastar DC HC310?

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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