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

**URL:** https://aio.lv/en/product--hitachi-0b36048--686266
**Data updated:** 2026-04-02 14:23 (EEST)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** HITACHI
**Manufacturer code:** 0B36048
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 295.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 244.62 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hitachi-0b36048--686266

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The Western Digital Ultrastar DC HC310 is a high-performance internal hard drive with a capacity of 4 TB. It operates at 7200 RPM, ensuring fast data access and transfer speeds. With a 256 MB buffer size, it efficiently handles large workloads, making it ideal for enterprise applications. The 3.5" form factor and SAS interface provide reliable connectivity and compatibility with various systems.

## Long description

The Western Digital Ultrastar DC HC310 is a 3.5" internal hard drive with 4 TB capacity designed for data center and enterprise storage applications. Operating at 7200 RPM and featuring a 256 MB buffer, this SAS-drive variant delivers consistent access speeds and predictable performance for mixed workloads. The drive is built for sustained use with an MTBF rating suited for continuous operation and a form factor that fits standard 3.5" drive bays.
Advantages
The Ultrastar DC HC310 combines mid-range capacity with 7200 RPM spindle speed to provide a balance of economics and performance for server and storage deployments. Its large cache helps maintain throughput for large sequential transfers and mixed I/O patterns while the SAS interface enables reliable, enterprise-class connectivity. The drive’s engineering emphasizes durability for high-duty-cycle environments, making it suitable for sustained data-center workloads.
Suitable for
Rack and tower servers requiring 3.5" SAS drives
Block and file storage systems in enterprise environments
Distributed and scalable computing clusters
Applications with mixed read/write workloads and moderate to high annual data transfer
Key specifications
Capacity: 4000 GB
Form factor: 3.5 inch
Interface: SAS (serial attached SCSI)
Rotational speed: 7200 RPM
Buffer/cache: 256 MB
Designed workload: up to enterprise-class annual workload (refer to manufacturer guidance for exact rating)
Reliability (MTBF): 2,000,000 hours
Weight: 0.715 kg
How to use
Install the Ultrastar DC HC310 into a compatible 3.5" drive bay with a SAS host adapter or backplane that supports the drive’s interface. Secure the drive mechanically, connect the SAS data and power paths according to your server or enclosure documentation, and configure the drive in the host firmware or operating system. Initialize, partition and format the drive using standard storage management tools before placing it into production. Follow appropriate ESD precautions during handling.
Usage recommendations
For reliable operation, use the drive in systems with compatible SAS controllers and adequate cooling. Monitor SMART attributes and system logs to detect early signs of drive degradation. When deploying multiple drives, follow manufacturer guidelines for RAID or erasure coding configurations and maintain regular backups for critical data.

## Specifications

### Features

| Feature | Value |
|---|---|
| HDD capacity | 4000 GB |
| HDD size | 3.5 |
| HDD speed | 7200 |
| Mean time between failures (MTBF) | 2000000 h |
| Read seek time | 8 ms |
| Average latency | 4.16 ms |
| Write seek time | 8.6 ms |
| Start/stop cycles | 600000 |
| HDD interface transfer rate | 12 Gbit/s |
| Component for | Server/workstation |
| Interface | SAS |
| Type | HDD |
| Storage drive buffer size | 256 MB |

### 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 |

### Weight & dimensions

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

### Power

| Feature | Value |
|---|---|
| Power consumption (typical) | 12.1 W |
| Operating voltage | 5 V |
| Power consumption (idle) | 7 W |

### Packaging data

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

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84717050 |

## FAQ

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

The price is 295.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 29.06.2026 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: hdd capacity, hdd size, hdd speed, mean time between failures (mtbf), 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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