WESTERN DIGITAL Digital WD Purple 3TB 3.5' Surveillance HDD 5400RPM 64MB SATA3 6Gb/s 145MB/s 180TBW 24x7 64 Cameras AV NVR DVR 1.5mil MTBF 3yrs

WESTERN DIGITAL Digital WD Purple 3TB 3.5' Surveillance HDD 5400RPM 64MB SATA3 6Gb/s 145MB/s 180TBW 24x7 64 Cameras AV NVR DVR 1.5mil MTBF 3yrs

Marsoni

M251S

$174.99

Get it in 3 business days with 1 day shipping. Friday, May 29

WESTERN DIGITAL Digital WD Purple 3TB 3.5' Surveillance HDD 5400RPM 64MB SATA3 6Gb/s 145MB/s 180TBW 24x7 64 Cameras AV NVR DVR 1.5mil MTBF 3yrsWestern Digital WD Purple 3TB 3. 5' Surveillance HDD 5400RPM 64MB SATA3 6Gb s 145MB s 180TBW 24x7 64 Cameras AV NVR DVR 1. 5mil MTBF 3yrs WD Purple Surveillance HDD Uncompromising Storage for 24 7, Always On Security Systems OVERVIEW Engineered for the Extreme Demands of 24 7 Surveillance Systems WD Purple surveillance storage features Western Digitals exclusive AllFrame technology, so you can confidently create a security system tailored to the needs

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Not really a "cooling" pillow, but better than a standard or or fiber filled pillow. All these types of pillows and other bed linens are initially cool to the touch, but they quickly heat up to match your body temperature. Although the technology currently does not exist to maintain constant cooling, pillows like this are a good compromise for now. It's nice and soft and is a good value for the price.

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Reviewed in the United States on July 30, 2025

Verified Purchase

Joseph Urban

Phoenix, US

★★★★★ 5

New Fave

Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches

Love It so far... Its cool and comfortable... just the right firmness

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Reviewed in the United States on December 17, 2025

Verified Purchase

Richard E. Yourish

Louisville, US

★★★★★ 3

Doesn’t stay cool long

Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches

The pillow was a little softer than I expected. It’s cool at first but at least for me heats up fast.

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Reviewed in the United States on May 11, 2024

Verified Purchase

bryce colwell

Chelsea, US

★★★★★ 2

too soft, useless. but cool, kindah

Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches

the problem with these "cooling" pillows is any cooling effect is almost completely negated by a pillow case. this particular pillow is cool to the touch, but completely useless as it flattens out completely, way too soft I think for anyone. I would not recommend this "NASA" pillow for anyone for anything. Maybe for 10 bucks, but certainly not what they ask for this. I did keep it though. It is "cool" but only for a moment and your flipping it around like any other pillow. also way too soft. BUt, it has been cool enough to get me back to sleep.

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Reviewed in the United States on May 29, 2025

Verified Purchase

Jack D King

New York, US

★★★★★ 5

Fantastic pillows

Set name: UltraCool Pillow 2-Pack, King - Medium/Firm, Item length width: 40.0 Inches

I cannot say enough how happy I am with these pillows. Truly amazing. I put REST pillowcases on them and they are constantly cool/cold.

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Reviewed in the United States on August 11, 2025