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header-product Internal Hard Drive Western Digital 4TB 3.5" SAS Ultrastar DC HC310
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AiO.lv Computer Components Pc Components Hard Disk Drives (HDD) HITACHI

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

Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 1
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 2
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 1
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 2
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 1
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 2
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 1
Internal Hard Drive Western Digital 4TB Ultrastar DC HC310 Photo 2
Internal Hard Drive Western Digital 4TB 3.5" SAS Ultrastar DC HC310
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Short 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.
Warranty: 2 Years
SKU: 686266
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Product information

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

Storage drive buffer size:
256 MB
Component for: What this product is used as a part of (component for).
Server/workstation
Type: Characteristics of the device.
HDD
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
SAS
HDD size: The amount of data that the hard drive can store.
3.5
HDD speed: The rotational speed of a hard disk expressed in rotations per minute. The faster the better.
7200
HDD capacity: The maximum storage capacity of the hard disk, usually measured in bytes e.g. GB.
4000 GB
All features

Logistics data

Harmonized System (HS) code:
84717050

Packaging data

Quantity per pack:
1 pc(s)

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.715 kg
Height: The measurement of the product from head to foot or from base to top.
26.1 mm
Depth: The distance from the front to the back of something.
147 mm
Width: The measurement or extent of something from side to side.
101.6 mm

Operational conditions

Non-operating shock: Environmental requirements for optimal protection from impact in non-operating mode
300 G
Operating shock: Environmental requirements for optimal protection from impact in operating mode
70 G
Non-operating vibration: Environmental requirements for vibration in non-operating mode
1.04 G
Operating vibration: Environmental requirements for vibration in operating mode
0.67 G
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-40 - 70
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
5 - 60

Power

Operating voltage: Defines the range of operating voltages available
5 V
Power consumption (idle):
7 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
12.1 W

Features

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
2000000 h
Start/stop cycles:
600000
Average latency: The average duration before a device can start with a job (for example reading a file from a hard disk).
4.16 ms
Read seek time:
8 ms
Write seek time:
8.6 ms
HDD interface transfer rate:
12 Gbit/s
Storage drive buffer size:
256 MB
Component for: What this product is used as a part of (component for).
Server/workstation
Type: Characteristics of the device.
HDD
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
SAS
HDD size: The amount of data that the hard drive can store.
3.5
HDD speed: The rotational speed of a hard disk expressed in rotations per minute. The faster the better.
7200
HDD capacity: The maximum storage capacity of the hard disk, usually measured in bytes e.g. GB.
4000 GB
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Instructions

mmo_44544892_1617178759_424_8622.pdf
hitachi-0B36048-686266.pdf

Description

Instructions

mmo_44544892_1617178759_424_8622.pdf
hitachi-0B36048-686266.pdf
Machine translation.

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Customer questions

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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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: storage drive buffer size, component for, type, interface, hdd size, hdd speed, hdd capacity, 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.
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