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header-product Internal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA III
222.99 €

Internal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA III

Fast delivery available
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 1
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 2
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 3
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 4
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 5
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 6
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 1
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 2
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 3
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 4
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 5
Internal HDD Western Digital Purple 4 TB WD44PURZ Photo 6
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Internal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA III

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Internal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA III

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Short description

Western Digital Purple internal hard drive with 4 TB capacity, 5400 RPM spindle speed and 128 MB cache. 3.5" form factor and Serial ATA III interface provide reliable storage for surveillance systems, NAS or desktop use. Designed for continuous operation, it offers large capacity, efficient power use and compatibility with standard SATA controllers. Weight: 0.55 kg.
Available at price 222.99 €: 62 pcs.
Total available for order: 1542 pcs.
Warranty: 2 Years
SKU: 11656852
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
13.11.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
19.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.61 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
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From 1.99 €
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36 months installment: from 6.19 euros per month
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Product information

Description

WD Purple internal hard drive with 4 TB capacity, 5400 RPM spindle speed and 128 MB cache is engineered for continuous video surveillance recording. The 3.5" Serial ATA III drive is designed to operate 24/7 in DVR and NVR systems, offering compatibility with standard SATA controllers and support for multi-stream camera setups. Its construction helps withstand elevated temperatures and vibrations common in security environments.

Advantages

The drive is optimized for surveillance with AllFrame™ technology to reduce video frame loss and improve playback. It features an enhanced workload rating for continuous recording, compatibility with enclosures and chipsets commonly used in surveillance systems, and a long MTBF targeted at always-on operation. A 3-year limited warranty is provided.

Suitable for

  • Network Video Recorders (NVR) and Digital Video Recorders (DVR) operating 24/7
  • Multi-camera surveillance installations (up to 64 single-stream HD cameras supported)
  • Surveillance storage expansion in enclosures with multiple drive bays

Key specifications

  • Capacity: 4 TB
  • Form factor: 3.5 inch
  • Interface: Serial ATA III (SATA III)
  • Spindle speed: 5400 RPM
  • Cache buffer: 128 MB
  • Workload rating: up to 180 TB/year
  • Mean time between failures (MTBF): up to 1,000,000 hours
  • Weight: approximately 0.55 kg

How to use

Install the 3.5" SATA drive into a compatible DVR, NVR or enclosure following the system manufacturer’s installation instructions. Connect the drive using a SATA data cable and appropriate power connector, secure it in the drive bay, and configure the surveillance recorder software to initialize and format the drive if required. Verify firmware and system compatibility when adding capacity to existing surveillance systems.

Usage recommendations

Use the drive in systems designed for continuous operation and ensure adequate cooling and vibration control within the enclosure. For optimal performance in multi-camera setups, follow the recorder manufacturer’s guidelines for drive capacity and stream allocation. Maintain regular backups and monitor drive health using compatible diagnostic tools.

Specifications

Storage drive buffer size:
128 MB
Component for: What this product is used as a part of (component for).
Surveillance system
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.
Serial ATA III
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.
5400
HDD capacity: The maximum storage capacity of the hard disk, usually measured in bytes e.g. GB.
4000 GB
All features

Other features

Certification:
BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL

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.
0.55 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

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.
0 - 65

Features

HDD average transfer rate:
175 MB/s
Storage drive buffer size:
128 MB
Component for: What this product is used as a part of (component for).
Surveillance system
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.
Serial ATA III
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.
5400
HDD capacity: The maximum storage capacity of the hard disk, usually measured in bytes e.g. GB.
4000 GB

Description

Machine translation.

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Product comparison

In this overview, the internal hard drive Internal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA III is compared with similar storage options from Western Digital. All reviewed models share the 3.5-inch form factor and Serial ATA III interface, but differ in series, capacity, cache size, and intended use. The main differences lie in optimization for specific tasks such as surveillance, network attached storage (NAS), or standard desktop computers.

⚙️ The specifications comparison covers storage capacity, spindle speed, cache buffer size, intended component, and key practical differences in real-world use.

Comparison parameterWD Purple 4 TB (128 MB)WD Red Plus 4 TBWD Purple 4 TB (256 MB)WD Purple 8 TBWD Purple 3 TBWD Blue 4 TBPractical conclusions
Capacity4 TB4 TB4 TB8 TB3 TB4 TBModels offer varying storage space; the 8 TB version doubles the capacity for extensive archives.
Spindle speed5400 RPM5400 RPM5400 RPM5640 RPM5400 RPM5400 RPM5400 RPM ensures quiet operation, while 5640 RPM on the 8 TB model provides slightly different performance characteristics.
Buffer size128 MB128 MB256 MB128 MB128 MB128 MBA larger 256 MB buffer on the alternative Purple version assists with smoother data stream handling.
Component forSurveillance systemNASPCSurveillance systemSurveillance systemPCPurple series is optimized for continuous video recording, Red Plus for multi-drive NAS, and Blue for standard PCs.

◎ The evaluation of usage scenarios and suitable models helps select the optimal drive based on your specific requirements.

Usage scenarioRecommended productWhy
Surveillance and DVR/NVR systemsInternal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA IIISpecifically engineered for 24/7 operation in security systems with support for streamed write workloads.
Multi-drive network storage NASInternal HDD Western Digital Red Plus WD40EFZZ 4 TBOptimized for NAS environments and built to handle vibrations in multi-bay setups.
Large-scale video archivingInternal hard drive Western Digital WD Purple 8 TBOffers higher capacity suited for extensive surveillance setups and long-term recording retention.
Home or office desktop PCInternal 3.5" HDD Western Digital WD Blue 4 TBServes as a reliable solution for everyday computing, backups, and general multimedia storage.
Internal HDD Western Digital Purple 4 TB 5400 RPM 128 MB 3.5" Serial ATA III is best suited for surveillance systems and continuous recording workloads due to its specialized design. Choose it if you need a reliable drive for a 24/7 security setup, whereas the Red Plus series is more suitable for NAS environments and the Blue series is better for standard desktop PCs.
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Stock data
Warehouse Stock Delivery to the store Store Price
WH337 62 13.11.2026
222.99 € Best price
EU57 10 17.11.2026
226.99 €
BT14 10 Tomorrow Best delivery
Fast shipping
226.99 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH332 50 19.11.2026
234.99 €
BT11 36 25.11.2026
240.99 €
WH109 9 03.12.2026
251.49 €
222.99 €
Stock: 62
Delivery Date: 13.11.2026
Warehouse: WH337
226.99 €
Stock: 10
Delivery Date: 17.11.2026
Warehouse: EU57
Fast shipping
226.99 €
Stock: 10
Delivery Date: Tomorrow Best delivery
Warehouse: BT14
235.49 €
Stock: 300
Delivery Date: 19.11.2026
Warehouse: WH94
237.99 €
Stock: 100
Delivery Date: 19.11.2026
Warehouse: WH174
239.49 €
Stock: 268
Delivery Date: 19.11.2026
Warehouse: EU86
239.99 €
Stock: 10
Delivery Date: Monday
Warehouse: BT37
239.99 €
Stock: 80
Delivery Date: 19.11.2026
Warehouse: EU3
240.49 €
Stock: 100
Delivery Date: 19.11.2026
Warehouse: WH346
250.49 €
Stock: 20
Delivery Date: 19.11.2026
Warehouse: WH155
255.99 €
Stock: 40
Delivery Date: 19.11.2026
Warehouse: EU16
Fast shipping
255.99 €
Stock: 433
Delivery Date: Tomorrow Best delivery
Warehouse: BT13
279.99 €
Stock: 14
Delivery Date: 19.11.2026
Warehouse: WH115
Available only for legal entities
234.99 €
Stock: 50
Delivery Date: 19.11.2026
Warehouse: WH332
240.99 €
Stock: 36
Delivery Date: 25.11.2026
Warehouse: BT11
251.49 €
Stock: 9
Delivery Date: 03.12.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the Internal HDD Western Digital Purple 4 TB WD44PURZ cost, and is it available for purchase?

The price is 222.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1542 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 13.11.2026 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?

qalxurnevizo.shop offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Internal HDD Western Digital Purple 4 TB WD44PURZ be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Internal HDD Western Digital Purple 4 TB WD44PURZ online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. qalxurnevizo.shop 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 qalxurnevizo.shop

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 qalxurnevizo.shop (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.
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