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- 92%
[WD181PURP] WD Purple Pro 18TB 3.5" Surveillance HDD 7200RPM 512MB Cache
[WD181PURP] WD Purple Pro 18TB 3.5" Surveillance HDD 7200RPM 512MB Cache
[WD181PURP] WD Purple Pro 18TB 3.5" Surveillance HDD 7200RPM 512MB Cache

[WD181PURP] WD Purple Pro 18TB 3.5" Surveillance HDD 7200RPM 512MB Cache

(1,283 reviews)

Western Digital WD Purple Pro 18TB 3.5” Surveillance HDD 7200RPM 512MB SATA3 272MB/s 550TBW 24Γ—7 64 Cameras AV NVR DVR 2.5mil MTBF 5yrs - WD Purple Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring additional capacity, performance and workload capability. - Features:Engineered with advanced capabilities needed for high-end smart video solutions - High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage, including RAID and JBOD configurations. - Supports up to 550 TB/yr workload rate. - Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures - SPECIFICATIONCapacity: 18 TBForm Factor: 3.5”Cache Size: 512 MBDisk Speed (RPM): 7200rpm - Interface: SATATransfer Rate: up to 272MB/s - Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm

Western Digital WD Purple Pro 18TB 3.5” Surveillance HDD 7200RPM 512MB SATA3 272MB/s 550TBW 24Γ—7 64 Cameras AV NVR DVR 2.5mil MTBF 5yrs - WD Purple Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring additional capacity, performance and workload capability. - Features:Engineered with advanced capabilities needed for high-end smart video solutions - High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage, including RAID and JBOD configurations. - Supports up to 550 TB/yr workload rate. - Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures - SPECIFICATIONCapacity: 18 TBForm Factor: 3.5”Cache Size: 512 MBDisk Speed (RPM): 7200rpm - Interface: SATATransfer Rate: up to 272MB/s - Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm

$1,207.00 - $14,661.09

in 2 offers

The lowest price for [WD181PURP] WD Purple Pro 18TB 3.5" Surveillance HDD 7200RPM 512MB Cache right now is $1,207.00 at PC Lan, compared across 2 retailers.

The all-time low was $853.60 on 5 Mar 2026 β€” today's price is 41% above the lowest ever. It has been notably cheaper before β€” worth setting a price alert.

Prices last updated 1 May 2026.

Capacity:

[WD181PURP] WD Purple Pro 18TB 3.5" Surveillance HDD 7200RPM 512MB Cache

$1,207.00

(1,283 reviews)

Western Digital WD Purple Pro 18TB 3.5” Surveillance HDD 7200RPM 512MB SATA3 272MB/s 550TBW 24Γ—7 64 Cameras AV NVR DVR 2.5mil MTBF 5yrs - WD Purple Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring additional capacity, performance and workload capability. - Features:Engineered with advanced capabilities needed for high-end smart video solutions - High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage, including RAID and JBOD configurations. - Supports up to 550 TB/yr workload rate. - Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures - SPECIFICATIONCapacity: 18 TBForm Factor: 3.5”Cache Size: 512 MBDisk Speed (RPM): 7200rpm - Interface: SATATransfer Rate: up to 272MB/s - Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm

Western Digital WD Purple Pro 18TB 3.5” Surveillance HDD 7200RPM 512MB SATA3 272MB/s 550TBW 24Γ—7 64 Cameras AV NVR DVR 2.5mil MTBF 5yrs - WD Purple Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring additional capacity, performance and workload capability. - Features:Engineered with advanced capabilities needed for high-end smart video solutions - High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage, including RAID and JBOD configurations. - Supports up to 550 TB/yr workload rate. - Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures - SPECIFICATIONCapacity: 18 TBForm Factor: 3.5”Cache Size: 512 MBDisk Speed (RPM): 7200rpm - Interface: SATATransfer Rate: up to 272MB/s - Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm

8 TB
10 TB
10TB / 256MB / 265MB
12 TB
14TB / 512MB
18 TB
18TB / 512MB / 272MB
22 TB

Price comparison

Price data powered by pricesAPI.io

Last updated at 01/05/2026 12:54:23

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
PC Lan

$1,207.00

[WD181PURP] WD Purple Pro 18TB 3.5" 7200RPM Surveillance Hard Drive

Delivery between 4–11 May $11.95

eSaitech

$14,661.09

WD WD181PURP-20PK SATA 6Gb/s 7200RPM 18TB HDD

Free delivery between Sat – Thu

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

Capacity18 TB
Form Factor3.5"
Cache Size512 MB
Disk Speed (RPM)7200rpm
InterfaceSATA

Price comparison

Updated about 2 months ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
PC Lan

$1,207.00

Out of stock

[WD181PURP] WD Purple Pro 18TB 3.5" 7200RPM Surveillance Hard Drive

Delivery between 4–11 May $11.95

eSaitech

$14,661.09

Out of stock

WD WD181PURP-20PK SATA 6Gb/s 7200RPM 18TB HDD

Free delivery between Sat – Thu

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

Capacity18 TB
Form Factor3.5"
Cache Size512 MB
Disk Speed (RPM)7200rpm
InterfaceSATA

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